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Just months after the noticeable surge in DDR4 prices, the PC industry is facing another wave — this time with DDR5. Once expected to stabilize as production matured, DDR5 memory is now climbing sharply in cost. 

From high-end desktop kits to mainstream 16 GB modules, prices have risen as much as 

 in certain regions. What’s driving this new round of increases — and how might it affect PC builders, system integrators, and component brands?

, DRAM spot prices surged nearly 10% in a single week this October as buyers rushed to secure inventory ahead of further hikes. DDR5 modules — which once benefited from falling prices as adoption spread — are now trending upward in both spot and contract markets.

 reports that community data shows retail DDR5 kits from brands like Corsair, G.Skill, and Kingston rising significantly in Europe and Asia. In some regions, the price per gigabyte has nearly doubled compared to mid-year 2024 levels.

For consumers, this means one clear thing: upgrading or building a DDR5-based system is getting more expensive again.

The reasons behind the DDR5 price rise are complex, but a few major factors stand out:

Global AI infrastructure build-outs are consuming vast amounts of memory. Data centers deploying GPUs like NVIDIA’s H100 and H200 rely on high-bandwidth DRAM (HBM) and advanced DDR5 chips, directly competing with consumer-grade production capacity.

 recently noted, “AI data centers are swallowing the world’s memory supply.” This diversion of wafer allocation from PC DRAM to HBM has reduced output for DDR5 modules used in consumer and enterprise PCs.

2. Manufacturers Prioritizing High-Margin Products

Major DRAM suppliers — Samsung, SK Hynix, and Micron — have strategically shifted focus toward more profitable segments like HBM3E and LPDDR5X. Commodity DDR5 modules yield lower profit per wafer, so manufacturers are scaling back consumer DRAM lines to optimize margins.

When rumors of supply shortages surface, memory module assemblers and distributors often buy ahead to lock in pricing. This behavior, while rational, amplifies short-term demand and constrains supply in the spot market, leading to sudden price spikes — the same pattern we saw during DDR4’s recent rebound.

4. Supply Chain Transition and Yield Issues

As fabs migrate to 1β and 1α nm nodes for next-gen DRAM production, yields can initially drop. That limits supply while costs remain high. Combined with continued geopolitical uncertainties and logistics challenges, memory output simply isn’t keeping up with demand.

For PC builders and DIY enthusiasts, higher DDR5 prices increase total build cost — especially in mid-range and performance segments.

A memory kit that cost $80–90 earlier this year may now exceed $120–130. While that might seem minor for premium builds, it directly affects the 

, driven by AI hardware demand and restrained production volumes. TrendForce predicts overall DRAM prices could rise 

The silver lining is that DDR5 remains in high demand thanks to platform adoption (Intel 700-series, AMD AM5). As more users transition, economies of scale could eventually bring stability — but not before this current shortage cycle plays out.

DDR5’s price surge highlights the new reality of a memory market dominated by AI and data-center demand. As production capacity shifts toward high-bandwidth applications, consumer DRAM will continue to feel the squeeze. For PC enthusiasts and brands alike, this isn’t just a supply-chain story — it’s a reminder that even as technology evolves, the economics of silicon remain as volatile as ever.





Just months after the noticeable surge in DDR4 prices, the PC industry is facing another wave — this time with DDR5. Once expected to stabilize as production matured, DDR5 memory is now climbing sharply in cost. 

From high-end desktop kits to mainstream 16 GB modules, prices have risen as much as 30–50% in certain regions. What’s driving this new round of increases — and how might it affect PC builders, system integrators, and component brands?



The Current Market Situation





(image credit :TrendForce)



According to TrendForce, DRAM spot prices surged nearly 10% in a single week this October as buyers rushed to secure inventory ahead of further hikes. DDR5 modules — which once benefited from falling prices as adoption spread — are now trending upward in both spot and contract markets.



Notebookcheck reports that community data shows retail DDR5 kits from brands like Corsair, G.Skill, and Kingston rising significantly in Europe and Asia. In some regions, the price per gigabyte has nearly doubled compared to mid-year 2024 levels.

For consumers, this means one clear thing: upgrading or building a DDR5-based system is getting more expensive again.



What’s Causing the Surge





The reasons behind the DDR5 price rise are complex, but a few major factors stand out:



1. AI and Data Center Demand

Global AI infrastructure build-outs are consuming vast amounts of memory. Data centers deploying GPUs like NVIDIA’s H100 and H200 rely on high-bandwidth DRAM (HBM) and advanced DDR5 chips, directly competing with consumer-grade production capacity.

As Tom’s Hardware recently noted, “AI data centers are swallowing the world’s memory supply.” This diversion of wafer allocation from PC DRAM to HBM has reduced output for DDR5 modules used in consumer and enterprise PCs.



2. Manufacturers Prioritizing High-Margin Products

Major DRAM suppliers — Samsung, SK Hynix, and Micron — have strategically shifted focus toward more profitable segments like HBM3E and LPDDR5X. Commodity DDR5 modules yield lower profit per wafer, so manufacturers are scaling back consumer DRAM lines to optimize margins.



3. Panic Buying and Inventory Hedging

When rumors of supply shortages surface, memory module assemblers and distributors often buy ahead to lock in pricing. This behavior, while rational, amplifies short-term demand and constrains supply in the spot market, leading to sudden price spikes — the same pattern we saw during DDR4’s recent rebound.



4. Supply Chain Transition and Yield Issues

As fabs migrate to 1β and 1α nm nodes for next-gen DRAM production, yields can initially drop. That limits supply while costs remain high. Combined with continued geopolitical uncertainties and logistics challenges, memory output simply isn’t keeping up with demand.



Impact on PC Builders



(Image Credit: idealo)



For PC builders and DIY enthusiasts, higher DDR5 prices increase total build cost — especially in mid-range and performance segments.

A memory kit that cost $80–90 earlier this year may now exceed $120–130. While that might seem minor for premium builds, it directly affects the bill of materials (BOM) for integrators and system assemblers.



Market Outlook





Analysts expect the DRAM price uptrend to continue into early 2026, driven by AI hardware demand and restrained production volumes. TrendForce predicts overall DRAM prices could rise 10–20% quarter-over-quarter, depending on market response.

The silver lining is that DDR5 remains in high demand thanks to platform adoption (Intel 700-series, AMD AM5). As more users transition, economies of scale could eventually bring stability — but not before this current shortage cycle plays out.



What Builders and Buyers Should Do





Secure modules early: If you’re planning new PC builds or system batches, lock in DDR5 inventory before the next quarter’s pricing revision.



Offer flexible configurations: For OEMs or boutique builders, consider offering both DDR4 and DDR5 SKUs where platform compatibility allows.



Monitor supplier communication: Stay updated with module vendors on lead times and allocation changes.



Communicate value: Even as costs rise, focus marketing on overall system performance, stability, and forward-compatibility, not just raw specs.



Conclusion

DDR5’s price surge highlights the new reality of a memory market dominated by AI and data-center demand. As production capacity shifts toward high-bandwidth applications, consumer DRAM will continue to feel the squeeze. For PC enthusiasts and brands alike, this isn’t just a supply-chain story — it’s a reminder that even as technology evolves, the economics of silicon remain as volatile as ever.

DDR5 memory prices are climbing sharply in 2025 as AI demand, supply reallocation, and panic buying tighten the DRAM market. Here’s why it’s happening and what it means for PC builders.

DDR5 Memory Prices Are Rising — Here's Why It's Happening Again

기술 뉴스

인공지능(AI) 수요 증가, 공급 재분배, 그리고 사재기 현상으로 인해 DDR5 메모리 시장이 포화 상태에 이르면서 2025년에는 가격이 급격히 상승할 전망입니다. 이러한 현상이 발생하는 이유와 PC 조립 사용자에게 미치는 영향에 대해 자세히 살펴보겠습니다.

DDR5 메모리 가격이 오르고 있습니다. 그 이유는 무엇일까요?

How-to Guides                                                   

When building or upgrading a PC, most people focus on GPUs, CPUs, and SSDs — but few realize that PCI Express (PCIe) lanes are the invisible highways that connect these parts together. They determine how fast your GPU communicates with your CPU, how many NVMe SSDs you can use without bottlenecks, and whether your next upgrade will actually perform as expected.

This article breaks down what PCIe lanes are, how they work, what’s new in PCIe Gen4 and Gen5, and how to make smarter choices when planning your system.

A PCIe lane is the fundamental communication channel of the PCI Express interface.

Each lane is made up of two pairs of wires — one pair for transmitting data and another for receiving — which makes PCIe full-duplex (data can flow in both directions at once).

Multiple lanes can be grouped to create wider connections, which you often see labeled as ×1, ×4, ×8, or ×16.

For more info on what is a PCIe Lane, our 

 has a more detailed explanation on the topic.

 Modern systems have two sources of PCIe lanes:

Because chipset lanes share that single DMI link, they can become a bottleneck when multiple high-speed devices — like NVMe SSDs or capture cards — compete for bandwidth.

For example, a typical AMD Ryzen or Intel Core CPU may provide 16–20 direct lanes, usually allocated as:

Everything else — USB controllers, SATA ports, Wi-Fi modules — connects through the chipset’s slower lanes.

Each new PCIe generation doubles the data rate per lane compared to the previous one.

This is why the latest GPUs and SSDs can achieve incredible performance even with fewer allocated lanes.

PCIe Gen5 isn’t just “twice as fast.” It’s also much harder to design for.

At 32 GT/s, every bit of signal loss matters. Motherboard manufacturers must use:

That’s why Gen5 motherboards are more expensive — they need advanced engineering to handle those speeds without data errors.

You won’t “feel” Gen5 speed in everyday tasks unless you’re pushing ultra-high-bandwidth workloads (e.g., 3D rendering, AI training, multi-NVMe RAID). But you will benefit from future-proofing.

Real-World Example: Lane Allocation in Modern CPUs

Let’s visualize a typical setup using a modern Intel or AMD CPU:

├── PCIe x4  → NVMe SSD (M.2 slot)

└── PCIe x4  → Chipset link (DMI / Fabric)

                ├── USB ports

                ├── SATA drives

                ├── Secondary NVMe slots

                └── Network / Wi-Fi cards

When you install a second NVMe drive, your motherboard might share or split lanes — sometimes reducing your GPU from ×16 to ×8. While this doesn’t usually affect gaming performance much (Gen4 ×8 = Gen3 ×16), it’s important to check your motherboard manual to see which slots share bandwidth.

Even with ultra-fast components, bandwidth bottlenecks can occur if you overload the chipset or split CPU lanes inefficiently.

Here’s how lane management affects performance:

Efficient use of CPU lanes ensures each device has a clear, fast path to the processor.

That’s why high-end platforms like AMD Threadripper or Intel Xeon offer 48–128 lanes — perfect for multi-GPU or workstation setups.

The next step, PCIe Gen6, will double speeds again to 64 GT/s per lane using PAM4 (Pulse Amplitude Modulation) signaling — a huge shift in how signals are transmitted.

However, this brings even greater design challenges:

While it may take time before Gen6 reaches consumer PCs, enterprise servers and data centers will adopt it first — paving the way for the next generation of GPUs and SSDs.

PCIe lanes are the circulatory system of your PC — unseen, but vital. Understanding how many lanes your CPU offers, and how they’re allocated, can make the difference between a balanced build and one full of hidden bottlenecks.

As PCIe Gen5 becomes mainstream and Gen6 looms on the horizon, knowing how these lanes work will help you make smarter hardware decisions — whether you’re building a gaming powerhouse, a creative workstation, or a high-speed storage server.





When building or upgrading a PC, most people focus on GPUs, CPUs, and SSDs — but few realize that PCI Express (PCIe) lanes are the invisible highways that connect these parts together. They determine how fast your GPU communicates with your CPU, how many NVMe SSDs you can use without bottlenecks, and whether your next upgrade will actually perform as expected.



This article breaks down what PCIe lanes are, how they work, what’s new in PCIe Gen4 and Gen5, and how to make smarter choices when planning your system.



What Is a PCIe Lane?







A PCIe lane is the fundamental communication channel of the PCI Express interface.
Each lane is made up of two pairs of wires — one pair for transmitting data and another for receiving — which makes PCIe full-duplex (data can flow in both directions at once).



Multiple lanes can be grouped to create wider connections, which you often see labeled as ×1, ×4, ×8, or ×16.





×1: Suitable for small add-in cards like Wi-Fi or capture cards.



×4: Used by NVMe SSDs and M.2 slots.



×16: Dedicated to GPUs for maximum bandwidth.

In short, more lanes = more bandwidth.



For more info on what is a PCIe Lane, our previous article has a more detailed explanation on the topic.



CPU-Supported Lanes vs Chipset Lanes

Not all PCIe lanes are created equal.
 Modern systems have two sources of PCIe lanes:





CPU Lanes: Directly connected to the processor. These offer the lowest latency and highest bandwidth.



Chipset (PCH) Lanes: Routed through the motherboard’s chipset, which connects back to the CPU using a link (called DMI on Intel or Infinity Fabric on AMD).

Because chipset lanes share that single DMI link, they can become a bottleneck when multiple high-speed devices — like NVMe SSDs or capture cards — compete for bandwidth.

For example, a typical AMD Ryzen or Intel Core CPU may provide 16–20 direct lanes, usually allocated as:





16 lanes for the GPU (x16 slot)



4 lanes for the main NVMe SSD



The rest used for the chipset link

Everything else — USB controllers, SATA ports, Wi-Fi modules — connects through the chipset’s slower lanes.



PCIe Generations and Their Speeds

Each new PCIe generation doubles the data rate per lane compared to the previous one.
Let’s look at the numbers:







(GT/s = gigatransfers per second)

In simple terms:





A PCIe Gen4 ×8 slot is about as fast as a Gen3 ×16 slot.



A Gen5 ×8 slot already exceeds Gen4 ×16 speeds — meaning even fewer lanes can deliver massive throughput.


This is why the latest GPUs and SSDs can achieve incredible performance even with fewer allocated lanes.



PCIe Gen4 vs Gen5: The Engineering Leap

PCIe Gen5 isn’t just “twice as fast.” It’s also much harder to design for.

At 32 GT/s, every bit of signal loss matters. Motherboard manufacturers must use:





High-grade PCB materials (low-loss laminates)



Shorter trace lengths



Redrivers or Retimers to maintain signal integrity



Precise impedance control during routing

That’s why Gen5 motherboards are more expensive — they need advanced engineering to handle those speeds without data errors.



For PC builders, the takeaway is this:

You won’t “feel” Gen5 speed in everyday tasks unless you’re pushing ultra-high-bandwidth workloads (e.g., 3D rendering, AI training, multi-NVMe RAID). But you will benefit from future-proofing.



Real-World Example: Lane Allocation in Modern CPUs

Let’s visualize a typical setup using a modern Intel or AMD CPU:

[CPU]

│

├── PCIe x16 → GPU

├── PCIe x4  → NVMe SSD (M.2 slot)

└── PCIe x4  → Chipset link (DMI / Fabric)

                │

                ├── USB ports

                ├── SATA drives

                ├── Secondary NVMe slots

                └── Network / Wi-Fi cards



When you install a second NVMe drive, your motherboard might share or split lanes — sometimes reducing your GPU from ×16 to ×8. While this doesn’t usually affect gaming performance much (Gen4 ×8 = Gen3 ×16), it’s important to check your motherboard manual to see which slots share bandwidth.



Why PCIe Lanes Matter

Even with ultra-fast components, bandwidth bottlenecks can occur if you overload the chipset or split CPU lanes inefficiently.

Here’s how lane management affects performance:





GPU bandwidth: Critical for rendering and compute tasks.



Storage bandwidth: Impacts NVMe SSD transfer rates, especially in RAID.



Add-in cards: Capture cards, NICs, and accelerators can easily saturate chipset lanes.

Efficient use of CPU lanes ensures each device has a clear, fast path to the processor.
That’s why high-end platforms like AMD Threadripper or Intel Xeon offer 48–128 lanes — perfect for multi-GPU or workstation setups.



Future Outlook: PCIe Gen6 and Beyond

The next step, PCIe Gen6, will double speeds again to 64 GT/s per lane using PAM4 (Pulse Amplitude Modulation) signaling — a huge shift in how signals are transmitted.

However, this brings even greater design challenges:





Higher power consumption



More expensive PCB materials



Increased need for error correction (FLIT encoding)


While it may take time before Gen6 reaches consumer PCs, enterprise servers and data centers will adopt it first — paving the way for the next generation of GPUs and SSDs.



Practical Tips for PC Builders





Check lane sharing: Before buying your motherboard, verify which M.2 slots or PCIe slots share lanes with your GPU.



Use CPU lanes for critical devices: Your GPU and main NVMe drive should always occupy CPU-direct lanes.



Don’t obsess over Gen5 (yet): Unless your workload is heavily I/O-bound, Gen4 offers plenty of bandwidth.



Future-proof smartly: Choose a motherboard that supports both Gen4 and Gen5 — it ensures compatibility for years to come.



Balance cooling and bandwidth: High-speed PCIe devices generate extra heat; good airflow and heatsinks are essential.


Conclusion

PCIe lanes are the circulatory system of your PC — unseen, but vital. Understanding how many lanes your CPU offers, and how they’re allocated, can make the difference between a balanced build and one full of hidden bottlenecks.

As PCIe Gen5 becomes mainstream and Gen6 looms on the horizon, knowing how these lanes work will help you make smarter hardware decisions — whether you’re building a gaming powerhouse, a creative workstation, or a high-speed storage server.




PCIe lanes are the hidden highways connecting your CPU, GPU, and SSDs. Learn how CPU lanes differ from chipset lanes, why PCIe Gen5 doubles your bandwidth, and how to design a balanced, bottleneck-free PC build.

Understanding PCIe Lanes: The Hidden Highways of Your PC

사용 설명서

PCIe 레인은 CPU, GPU, SSD를 연결하는 숨겨진 고속도로입니다. CPU 레인과 칩셋 레인의 차이점, PCIe Gen5가 대역폭을 두 배로 늘리는 이유, 그리고 병목 현상 없이 균형 잡힌 PC를 설계하는 방법을 알아보세요.

PCIe 레인 이해하기: PC의 숨겨진 고속도로

Over the past year, the memory market has seen an unexpected twist: DDR4, once considered an “outdated” standard, has experienced a dramatic price surge and regained attention from both consumers and industry players. 

While DDR5 was expected to completely dominate by now, DDR4 is proving to be far from obsolete. In this article, we’ll explore the reasons behind DDR4’s surprising comeback and what it means for PC users and the industry.

Leading memory manufacturers like Samsung, Micron, and SK hynix have gradually reduced DDR4 production capacity, shifting resources toward DDR5 and advanced technologies like HBM. As supply tightens, DDR4 modules have become scarcer, driving prices upward.

ChangXin Memory Technologies (CXMT), which once pushed DDR4 prices down by adding extra supply, has also shifted focus to DDR5 in 2025. With fewer manufacturers supporting DDR4, the market balance has swung from oversupply to shortage.

When buyers fear future shortages, they tend to stock up early. PC builders, distributors, and even end-users have been buying DDR4 aggressively, adding further pressure on limited supply.

In a rare twist, DDR4 has in some cases become more expensive than DDR5. Reports have shown DDR4 chips trading at higher prices per gigabyte compared to DDR5, a clear sign of supply-demand imbalance rather than technical merit.

Millions of systems worldwide still rely on DDR4 platforms. For many users, replacing an entire CPU and motherboard just to switch to DDR5 isn’t cost-effective, making DDR4 upgrades the logical choice.

While DDR5 offers higher bandwidth and future scalability, DDR4 remains more than capable for everyday workloads, gaming, and office use. For many, the performance difference isn’t worth the cost of a full platform upgrade.

Upgrading to DDR5 means investing in a new motherboard and often a new CPU. Sticking with DDR4 is a simpler, cheaper upgrade path.

Many DDR4 kits still come with advanced heat spreaders, RGB lighting, and sleek designs, offering strong appeal to gamers and PC builders focused on aesthetics as much as performance.

The DDR4 revival is not simply nostalgia — it’s the result of shrinking supply, platform compatibility, and short-term market behavior. While DDR5 remains the future of memory, DDR4 continues to prove its relevance in 2025.

For PC users, this moment highlights the importance of timing upgrades carefully. DDR4 still offers strong value and compatibility today, but its long-term availability is uncertain. In the fast-moving world of PC hardware, sometimes yesterday’s standard still has a surprising role to play.





Over the past year, the memory market has seen an unexpected twist: DDR4, once considered an “outdated” standard, has experienced a dramatic price surge and regained attention from both consumers and industry players. 

While DDR5 was expected to completely dominate by now, DDR4 is proving to be far from obsolete. In this article, we’ll explore the reasons behind DDR4’s surprising comeback and what it means for PC users and the industry.



Why Are DDR4 Prices Rising?



(DRAM Avg. Spot Price – Chart credit: TrendForce on X)



Shrinking Supply

Leading memory manufacturers like Samsung, Micron, and SK hynix have gradually reduced DDR4 production capacity, shifting resources toward DDR5 and advanced technologies like HBM. As supply tightens, DDR4 modules have become scarcer, driving prices upward.



Chinese Manufacturer Transition

ChangXin Memory Technologies (CXMT), which once pushed DDR4 prices down by adding extra supply, has also shifted focus to DDR5 in 2025. With fewer manufacturers supporting DDR4, the market balance has swung from oversupply to shortage.



Stockpiling and Panic Buying

When buyers fear future shortages, they tend to stock up early. PC builders, distributors, and even end-users have been buying DDR4 aggressively, adding further pressure on limited supply.



Price Inversion

In a rare twist, DDR4 has in some cases become more expensive than DDR5. Reports have shown DDR4 chips trading at higher prices per gigabyte compared to DDR5, a clear sign of supply-demand imbalance rather than technical merit.



Why Is DDR4 Still Popular?





Massive Installed Base

Millions of systems worldwide still rely on DDR4 platforms. For many users, replacing an entire CPU and motherboard just to switch to DDR5 isn’t cost-effective, making DDR4 upgrades the logical choice.



Good Enough Performance

While DDR5 offers higher bandwidth and future scalability, DDR4 remains more than capable for everyday workloads, gaming, and office use. For many, the performance difference isn’t worth the cost of a full platform upgrade.



Compatibility and Cost Barriers

Upgrading to DDR5 means investing in a new motherboard and often a new CPU. Sticking with DDR4 is a simpler, cheaper upgrade path.



Market Perception and Aesthetics

Many DDR4 kits still come with advanced heat spreaders, RGB lighting, and sleek designs, offering strong appeal to gamers and PC builders focused on aesthetics as much as performance.



Risks and Future Outlook









Uncertain Longevity: If DDR5 production continues to ramp up and prices fall, DDR4 could quickly lose its renewed momentum.



Volatile Prices: With fewer manufacturers producing DDR4, supply fluctuations could lead to unstable pricing.



Short-Term Popularity: The current surge may be temporary, driven by stockpiling and panic buying rather than sustainable long-term demand.



Conclusion

The DDR4 revival is not simply nostalgia — it’s the result of shrinking supply, platform compatibility, and short-term market behavior. While DDR5 remains the future of memory, DDR4 continues to prove its relevance in 2025.



For PC users, this moment highlights the importance of timing upgrades carefully. DDR4 still offers strong value and compatibility today, but its long-term availability is uncertain. In the fast-moving world of PC hardware, sometimes yesterday’s standard still has a surprising role to play.

This article explores the supply cuts, market shifts, and user demand that fueled DDR4's comeback.

DDR4's Comeback: Why Prices Are Surging and Popularity Is Rising Again

이 글에서는 DDR4의 부활을 이끈 공급 감소, 시장 변화 및 사용자 수요에 대해 살펴봅니다.

DDR4의 부활: 가격 급등과 인기 재상승의 이유

When building a PC, one of the final steps is connecting the front I/O cables from your case to the 

. These small pins are crucial for basic system functions like powering on your PC, resetting it, and showing status lights.

In this article, we’ll explain what each pin does and how to connect them correctly.

The Power LED indicates when the PC is powered on. It’s usually located on the front of your case.

Tip: If the LED doesn’t light up after booting, try reversing the connector

The Power Switch is the button you press to turn the PC on or off.

The Reset Switch restarts the computer instantly without turning it off completely.

The Hard Drive LED (HDD LED) blinks when the system is reading from or writing to a storage drive.

The system speaker emits beeps during startup (POST) to indicate system status or errors.

How to Identify the Positive Pin and Orientation





When building a PC, one of the final steps is connecting the front I/O cables from your case to the motherboard’s front panel header. These small pins are crucial for basic system functions like powering on your PC, resetting it, and showing status lights.

In this article, we’ll explain what each pin does and how to connect them correctly.







PWR LED (+ / -)

Function:
The Power LED indicates when the PC is powered on. It’s usually located on the front of your case.

Connection:





Positive (+) and Negative (-) matters.



The cable will be labeled PLED+ and PLED- or similar.



Align PLED+ with the motherboard’s PWR_LED+ pin, and PLED- with PWR_LED-.

Tip: If the LED doesn’t light up after booting, try reversing the connector



PWR_SW (Power Switch)

Function:
The Power Switch is the button you press to turn the PC on or off.

Connection:





Polarity does not matter for switches.



Simply connect the two-pin PWR SW cable to the PWR_SW pins.



RESET (Reset Switch)

Function:
The Reset Switch restarts the computer instantly without turning it off completely.

Connection:





Polarity does not matter for switches.



Connect the RESET SW cable to the RESET pins.



HDD LED (+ / -)

Function:
The Hard Drive LED (HDD LED) blinks when the system is reading from or writing to a storage drive.

Connection:





Positive (+) and Negative (-) matter.



The connector is labeled HDD LED+ and HDD LED-.



Align the positive wire (often colored) with HDD_LED+, and the negative (often black or white) with HDD_LED-.



SPEAKER

Function:
The system speaker emits beeps during startup (POST) to indicate system status or errors.

Connection:





This connector is usually a 4-pin block from the case speaker.



Match it with the SPEAKER pins on the header.



How to Identify the Positive Pin and Orientation











Most motherboards print + and - signs next to the LED pins.



Positive wires are usually labeled with a small arrow one the rear side if the connector.



The motherboard manual will have a detailed pinout diagram — always check it if unsure.



Final Tips





Handle with care — These pins are delicate; use minimal force when connecting.



Double-check before powering on — Incorrect polarity for LEDs won’t damage anything but will prevent lights from working.



Consult your motherboard manual for the exact pin layout.

Explaining each of these front panel header pins, what they do, and how to connect them correctly

Understanding Motherboard Front Panel Header Pins and How to Connect Them

각 전면 패널 헤더 핀의 기능과 올바른 연결 방법을 설명합니다.

메인보드 전면 패널 헤더 핀 이해 및 연결 방법

Building a gaming PC means paying attention to every component – including the power supply. In recent years, Intel released new ATX power supply standards (ATX 3.0 and ATX 3.1) to accommodate the increasing power demands of modern hardware. This article breaks down the differences between ATX 3.0 and ATX 3.1 in a beginner-friendly way, focusing on practical implications for PC builders and gamers. We’ll cover what changed in the 

limits differ, and what it means for choosing a PSU.

ATX 3.0 is a major update to the long-standing ATX power supply design guide, released by Intel in 2022. It was developed in response to new generations of GPUs and CPUs that can draw significantly more power, with rapid spikes in consumption. ATX 3.0 introduced new guidelines to ensure PSUs can deliver these power spikes reliably, and it also brought in a new high-power connector (the 12VHPWR) for next-gen graphics cards. For PC builders, ATX 3.0 PSUs marked a big step forward from earlier ATX 2.x units, especially if you plan to use high-end GPUs like NVIDIA’s RTX 5000 series.

ATX 3.1, released in 2023, is a refinement of the 3.0 standard. It builds on the same features but includes some tweaks based on industry feedback and new PCI-SIG updates. While not a revolutionary jump, ATX 3.1 updated certain technical specifications – notably the 

 (Previously Known as 12VHPWR) connector design and the transient power excursion requirements – to improve safety and performance. For the average gamer or builder, an ATX 3.1 PSU is largely similar to ATX 3.0, but with a bit more polish on these key aspects.

The 12VHPWR Connector: Updates from ATX 3.0 to 3.1

One of the headline features of ATX 3.0 was the introduction of the 12VHPWR connector (sometimes called the “PCIe 5.0 16-pin” power connector). This 12+4 pin connector can supply up to 600 Watts to a graphics card over a single cable – a big improvement over the older 8-pin (150 W) connectors. The extra 4 pins are sense wires that communicate with the GPU, allowing it to know the power capacity available (e.g. 150W, 300W, 450W, or 600W depending on cable/PSU). In practice, this meant ATX 3.0 PSUs could ship with a single native cable for high-end GPUs (no more multiple daisy-chained 8-pins or adapter dongles), simplifying cable management for builders.

ATX 3.1 keeps the that same connector, but incorporates an updated design as defined by PCI-SIG. Often referred to as the 

connector, the revised connector has subtle mechanical improvements to enhance safety. For example, the sense-pin configuration and pin length were adjusted to ensure the GPU can detect a proper full insertion of the plug (reducing the chance of the connector not being fully seated – a known issue that led to some melting connectors in early RTX 4090 usage). In short, ATX 3.1’s power connector is the same shape and pin-count, but built to a refined standard: if you buy an ATX 3.1 PSU, its 12VHPWR cable will adhere to the latest PCIe spec for better contact and durability.

↑Graphics card damaged due to overheating connector (Image from 

From a builder’s perspective, both ATX 3.0 and 3.1 PSUs will support the latest GPUs with the 12VHPWR or 12V2x6. There’s no difference in how you plug in your card – they are cross-compatible. The advantage of ATX 3.1’s version is simply added reliability. If you already have an ATX 3.0 PSU with a 12VHPWR and use it correctly (fully seated cable, not bending it too sharply, etc.), you’re generally fine. But ATX 3.1 gives extra peace of mind that the connector meets the newest safety refinements from PCI-SIG.

Transient Power Excursions: Handling Spikes in Power

Aside from the physical connector, the most important updates are in how these standards handle transient power excursions – in simpler terms, sudden power spikes. Modern GPUs and CPUs can momentarily draw far more than their average power (for example, a 300W TDP GPU might spike to 450–600W for a few milliseconds when under a sudden heavy load). If a PSU can’t handle these surges, your system could become unstable or shut down unexpectedly.

ATX 3.0 set a new requirement that power supplies be able to accommodate extreme spikes without issue. Intel’s ATX 3.0 design guide specifies that a compliant PSU must handle power excursions up to 200% of its rated power for very short durations. It also lays out specific timing brackets – for instance (simplified for clarity): up to ~120% load for tens of milliseconds, ~160–180% for a few milliseconds, and ~200% for microseconds. This was a big change from earlier ATX 2.x units, which weren’t explicitly designed for such high surges. In practical terms, an ATX 3.0 750 W PSU could briefly supply up to ~1500 W in a spike, and a 1200 W PSU could handle almost 2400 W in a microsecond-scale transient. This ensures GPUs like the RTX 30/40/50 series, which are known for transient spikes, won’t overwhelm the PSU and cause shutdowns as long as the PSU is ATX 3.0 compliant.

ATX 3.1 refines these power excursion limits. According to Intel’s updated 3.1 specification, the allowable transient overshoot levels were adjusted slightly. The changes are technical, but essentially Intel fine-tuned how much over current and for how long a PSU must supply power. For example, ATX 3.1 might require sustaining 200% load for a slightly shorter duration than 3.0 did, or define additional tiers for intermediate spike durations. These tweaks align with data collected from real-world GPU behavior and testing feedback. The practical implication is that ATX 3.1 PSUs are even less likely to trip OCP/OPP (over-current/over-power protection) during sudden bursts, compared to ATX 3.0 units. They have been tested to handle transients with an extra margin of stability.

For PC builders, if you’re running power-hungry GPUs or doing extreme overclocking, these transient handling improvements mean 

fewer chances of a random reboot when your GPU spikes to full load

. ATX 3.0 already made great strides here, and ATX 3.1 polishes it further. That said, in normal gaming usage, you might not notice a difference – both standards are designed to handle GPU/CPU spikes that previous generation PSUs might not tolerate. It’s mainly an assurance of stability under extreme conditions.

Other Notable Differences and Similarities

Beyond the connector and transient power requirements, ATX 3.0 and 3.1 share most features. Both maintain the standard ATX PSU dimensions and mounting, the typical 24-pin motherboard connector, CPU EPS 8-pin connectors, SATA, etc. They also both coexist with ATX12VO (a separate, optional standard focusing on single-rail 12V-only PSUs for better efficiency). If you’re building a typical gaming PC, you’ll likely use a multi-rail ATX 3.x PSU (which provides 12V, 5V, 3.3V rails in the traditional way).

Here’s a summary comparison of the two standards:

Table: Comparing key aspects of ATX 3.0 vs ATX 3.1 power supply standards.

As shown above, the differences are not dramatic – ATX 3.1 mainly fine-tunes what ATX 3.0 introduced. Both standards require high efficiency (with ATX 80 Plus certifications typically applied separately) and support new “low-power sleep” states and modern standby features on motherboards (helpful for reducing idle power draw). ATX 3.1 may incorporate slightly updated requirements for those as well, though those changes are minor for end-users.

Practical Implications for PC Builders & Gamers

So, what does all this mean when you’re shopping for or building a gaming PC?

ATX 3.0 vs ATX 3.1 ultimately comes down to evolution, not revolution. ATX 3.0 brought huge improvements for powering today’s power-hungry GPUs and CPUs, and 

 those improvements. The main practical takeaways are the support for the 12V2x6(12VHPWR) high-power GPU connector and strong handling of transient surges – both critical for high-end gaming rigs. ATX 3.1 

 of the connector and adds even more resilience to sudden power spikes, benefiting extreme use cases and further safeguarding against power-related crashes.

For most PC builders and gamers, both standards will serve you well. If you’re on the cutting edge, ATX 3.1 offers peace of mind that you have the latest spec. Otherwise, an ATX 3.0 PSU from a reputable brand already covers the vast majority of needs for current and upcoming hardware. In either case, these standards represent a positive development: they are ensuring that PSUs keep up with the fast pace of GPU and CPU advancements, delivering stable and safe power for your gaming adventures.





Building a gaming PC means paying attention to every component – including the power supply. In recent years, Intel released new ATX power supply standards (ATX 3.0 and ATX 3.1) to accommodate the increasing power demands of modern hardware. This article breaks down the differences between ATX 3.0 and ATX 3.1 in a beginner-friendly way, focusing on practical implications for PC builders and gamers. We’ll cover what changed in the 12V-2x6 connector, how transient power excursion limits differ, and what it means for choosing a PSU.



Introduction to ATX 3.0 and ATX 3.1

ATX 3.0 is a major update to the long-standing ATX power supply design guide, released by Intel in 2022. It was developed in response to new generations of GPUs and CPUs that can draw significantly more power, with rapid spikes in consumption. ATX 3.0 introduced new guidelines to ensure PSUs can deliver these power spikes reliably, and it also brought in a new high-power connector (the 12VHPWR) for next-gen graphics cards. For PC builders, ATX 3.0 PSUs marked a big step forward from earlier ATX 2.x units, especially if you plan to use high-end GPUs like NVIDIA’s RTX 5000 series.



ATX 3.1, released in 2023, is a refinement of the 3.0 standard. It builds on the same features but includes some tweaks based on industry feedback and new PCI-SIG updates. While not a revolutionary jump, ATX 3.1 updated certain technical specifications – notably the 12V-2x6 (Previously Known as 12VHPWR) connector design and the transient power excursion requirements – to improve safety and performance. For the average gamer or builder, an ATX 3.1 PSU is largely similar to ATX 3.0, but with a bit more polish on these key aspects.



The 12VHPWR Connector: Updates from ATX 3.0 to 3.1

One of the headline features of ATX 3.0 was the introduction of the 12VHPWR connector (sometimes called the “PCIe 5.0 16-pin” power connector). This 12+4 pin connector can supply up to 600 Watts to a graphics card over a single cable – a big improvement over the older 8-pin (150 W) connectors. The extra 4 pins are sense wires that communicate with the GPU, allowing it to know the power capacity available (e.g. 150W, 300W, 450W, or 600W depending on cable/PSU). In practice, this meant ATX 3.0 PSUs could ship with a single native cable for high-end GPUs (no more multiple daisy-chained 8-pins or adapter dongles), simplifying cable management for builders.



ATX 3.1 keeps the that same connector, but incorporates an updated design as defined by PCI-SIG. Often referred to as the 12V-2x6 connector, the revised connector has subtle mechanical improvements to enhance safety. For example, the sense-pin configuration and pin length were adjusted to ensure the GPU can detect a proper full insertion of the plug (reducing the chance of the connector not being fully seated – a known issue that led to some melting connectors in early RTX 4090 usage). In short, ATX 3.1’s power connector is the same shape and pin-count, but built to a refined standard: if you buy an ATX 3.1 PSU, its 12VHPWR cable will adhere to the latest PCIe spec for better contact and durability.





↑Graphics card damaged due to overheating connector (Image from reddit, r/nvidia)



From a builder’s perspective, both ATX 3.0 and 3.1 PSUs will support the latest GPUs with the 12VHPWR or 12V2x6. There’s no difference in how you plug in your card – they are cross-compatible. The advantage of ATX 3.1’s version is simply added reliability. If you already have an ATX 3.0 PSU with a 12VHPWR and use it correctly (fully seated cable, not bending it too sharply, etc.), you’re generally fine. But ATX 3.1 gives extra peace of mind that the connector meets the newest safety refinements from PCI-SIG.



Transient Power Excursions: Handling Spikes in Power

Aside from the physical connector, the most important updates are in how these standards handle transient power excursions – in simpler terms, sudden power spikes. Modern GPUs and CPUs can momentarily draw far more than their average power (for example, a 300W TDP GPU might spike to 450–600W for a few milliseconds when under a sudden heavy load). If a PSU can’t handle these surges, your system could become unstable or shut down unexpectedly.



ATX 3.0 set a new requirement that power supplies be able to accommodate extreme spikes without issue. Intel’s ATX 3.0 design guide specifies that a compliant PSU must handle power excursions up to 200% of its rated power for very short durations. It also lays out specific timing brackets – for instance (simplified for clarity): up to ~120% load for tens of milliseconds, ~160–180% for a few milliseconds, and ~200% for microseconds. This was a big change from earlier ATX 2.x units, which weren’t explicitly designed for such high surges. In practical terms, an ATX 3.0 750 W PSU could briefly supply up to ~1500 W in a spike, and a 1200 W PSU could handle almost 2400 W in a microsecond-scale transient. This ensures GPUs like the RTX 30/40/50 series, which are known for transient spikes, won’t overwhelm the PSU and cause shutdowns as long as the PSU is ATX 3.0 compliant.



ATX 3.1 refines these power excursion limits. According to Intel’s updated 3.1 specification, the allowable transient overshoot levels were adjusted slightly. The changes are technical, but essentially Intel fine-tuned how much over current and for how long a PSU must supply power. For example, ATX 3.1 might require sustaining 200% load for a slightly shorter duration than 3.0 did, or define additional tiers for intermediate spike durations. These tweaks align with data collected from real-world GPU behavior and testing feedback. The practical implication is that ATX 3.1 PSUs are even less likely to trip OCP/OPP (over-current/over-power protection) during sudden bursts, compared to ATX 3.0 units. They have been tested to handle transients with an extra margin of stability.



For PC builders, if you’re running power-hungry GPUs or doing extreme overclocking, these transient handling improvements mean fewer chances of a random reboot when your GPU spikes to full load. ATX 3.0 already made great strides here, and ATX 3.1 polishes it further. That said, in normal gaming usage, you might not notice a difference – both standards are designed to handle GPU/CPU spikes that previous generation PSUs might not tolerate. It’s mainly an assurance of stability under extreme conditions.



Other Notable Differences and Similarities

Beyond the connector and transient power requirements, ATX 3.0 and 3.1 share most features. Both maintain the standard ATX PSU dimensions and mounting, the typical 24-pin motherboard connector, CPU EPS 8-pin connectors, SATA, etc. They also both coexist with ATX12VO (a separate, optional standard focusing on single-rail 12V-only PSUs for better efficiency). If you’re building a typical gaming PC, you’ll likely use a multi-rail ATX 3.x PSU (which provides 12V, 5V, 3.3V rails in the traditional way).



Here’s a summary comparison of the two standards:







Table: Comparing key aspects of ATX 3.0 vs ATX 3.1 power supply standards.



As shown above, the differences are not dramatic – ATX 3.1 mainly fine-tunes what ATX 3.0 introduced. Both standards require high efficiency (with ATX 80 Plus certifications typically applied separately) and support new “low-power sleep” states and modern standby features on motherboards (helpful for reducing idle power draw). ATX 3.1 may incorporate slightly updated requirements for those as well, though those changes are minor for end-users.



Practical Implications for PC Builders & Gamers

So, what does all this mean when you’re shopping for or building a gaming PC?





Future-Proofing for GPUs: If you plan to use or upgrade to a high-end graphics card, you’ll want at least an ATX 3.0 PSU. It will have the right cable (12VHPWR) out of the box and can handle the card’s power swings. An ATX 3.1 PSU gives you that plus the latest connector improvements. For example, builders using an RTX 5090 or upcoming next-gen GPUs can plug straight into a native 16-pin cable and trust their PSU to handle sudden spikes in wattage.



Stability Under Peak Loads: If you’ve ever had your PC reset when launching a game or benchmark, a likely cause is the PSU failing to meet a transient spike. ATX 3.0/3.1 units are specifically designed to prevent that. This means more stable performance in scenarios like VR gameplay, intensive ray tracing, or CPU stress tests, where power demand can jump instantaneously. ATX 3.1’s refinements further reduce the odds of tripping protections during these spikes.



Connector Safety: The updated 12VHPWR design under ATX 3.1 mitigates issues that early adopters encountered (like the melting connector problem from not fully plugging in the cable). As a gamer or builder, you should still always ensure the 16-pin plug is fully seated on your GPU and avoid bending the cable too close to the connector. But ATX 3.1 cables will be a bit more foolproof by design. Manufacturers also often include better quality 12VHPWR cables in newer PSUs, sometimes with 90-degree adapters or sturdier plugs.



Do You Need to Upgrade? If you already own a good ATX 3.0 PSU, you likely don’t need to rush out for ATX 3.1. The differences are incremental. However, if you’re buying a new PSU in 2025, check the specs – you might find some units labeled as ATX 3.1. Choosing one will give you the slight edge of the latest standard. 



Compatibility: Both ATX 3.0 and 3.1 are fully backward-compatible. They will work with any standard ATX motherboard and PC components. They simply add capabilities. For instance, you can use an ATX 3.0 PSU on an older PC build – it will perform like a high-quality ATX 2.x unit, just with extra connectors (you don’t have to use the 12VHPWR cable if your GPU doesn’t need it). Similarly, an ATX 3.1 PSU will work in any scenario an ATX 3.0 PSU would.



Conclusion

ATX 3.0 vs ATX 3.1 ultimately comes down to evolution, not revolution. ATX 3.0 brought huge improvements for powering today’s power-hungry GPUs and CPUs, and ATX 3.1 fine-tuned those improvements. The main practical takeaways are the support for the 12V2x6(12VHPWR) high-power GPU connector and strong handling of transient surges – both critical for high-end gaming rigs. ATX 3.1 improves the reliability of the connector and adds even more resilience to sudden power spikes, benefiting extreme use cases and further safeguarding against power-related crashes.



For most PC builders and gamers, both standards will serve you well. If you’re on the cutting edge, ATX 3.1 offers peace of mind that you have the latest spec. Otherwise, an ATX 3.0 PSU from a reputable brand already covers the vast majority of needs for current and upcoming hardware. In either case, these standards represent a positive development: they are ensuring that PSUs keep up with the fast pace of GPU and CPU advancements, delivering stable and safe power for your gaming adventures.

A beginner-friendly article that clearly explains the differences between ATX 3.0 and ATX 3.1 standards, with a focus on real-world implications for PC users and builders.

ATX 3.0 vs ATX 3.1 The Most Comprehensive Explanation That You Will Ever Need

초보자도 쉽게 이해할 수 있도록 ATX 3.0과 ATX 3.1 표준의 차이점을 명확하게 설명하고, 특히 PC 사용자와 조립자에게 미치는 실제적인 영향에 초점을 맞춘 글입니다.

ATX 3.0과 ATX 3.1 비교: 당신에게 필요한 가장 완벽한 설명

Now you've met the brain and the muscle of the motherboard, now it's time to wire things up.

In Part 1, we covered the beefy components like the CPU socket, RAM slots, and PCIE lanes. But even the most powerful parts won't work without proper power, storage and connections.

In this post, we will  be diving into the unsung heroes of the motherboard-theb power connectors, SATA ports fan headers, and those tiny front panel pins that's trippping even for experienced buiders. Understanding these pieces is essential.

To power up your system, plug in: 24-pin ATX (Main System Power) and 8-pin EPS (CPU power).

Tips: Some high-end boards have dual 8-pin CPU connectors—for stable overclocking and power delivery.

The metal plate (some have back plates integrated on the board itself) on the back of your motherboard includes:

Front Panel Connectors – Small but Important

Tiny pins usually labeled F_PANEL (PANEL1 for this reference photo). These are the pinout that you will be connecting to the front I/O (The cables that connects to the power button from the case you bought.

Beware: These are tricky—consult the manual.

Cooling Connectors – Absolutely Required

These are the pinouts for your CPU cooler and case fans.

Tips: If you got a water cooler, you can connect the water pump to either of these pinout as well, just make sure to set the speed to 100% in the BIOS settings in order to get the optimal performance.

In some motherboards, there will be a specific pinout for the water pump as well (labeled as AIO_PUMP or PUMP_HEADER).

Last but not least, let's don't forget the critical part of a PC, the USB and Audio ports.

These are the pinout that you will be connecting to the front I/O (The cables that connects to the USB and Audio port from the case you bought). The one with the 19 pin (Left side on the photo) is for USB 3.0 port of the front I/O, and next to it is the USB Type-C port. USB 2.0 is the 9 pin connector with the bottom right pin missing.

For the audio (Labeled as AC97 or HD_Audio) is another 9 pin but with a missing pin on the second top right counting from the right side. It may sounds mouthful but worry not, all of the pinout are absolutely fool-proof.

Learning how to “read” a motherboard makes every step of PC building easier—from choosing parts to troubleshooting. Bookmark this guide and come back to it when you’re ready to build, upgrade, or explore.

And don’t forget—choosing a good case like one from our 

 helps showcase your build and makes cable management much smoother!





Now you've met the brain and the muscle of the motherboard, now it's time to wire things up.



In Part 1, we covered the beefy components like the CPU socket, RAM slots, and PCIE lanes. But even the most powerful parts won't work without proper power, storage and connections.



In this post, we will  be diving into the unsung heroes of the motherboard-theb power connectors, SATA ports fan headers, and those tiny front panel pins that's trippping even for experienced buiders. Understanding these pieces is essential.



Let's plug in andf power up!



Power Connectors





To power up your system, plug in: 24-pin ATX (Main System Power) and 8-pin EPS (CPU power).



Tips: Some high-end boards have dual 8-pin CPU connectors—for stable overclocking and power delivery.



Rear I/O Panel – External Connectivity





The metal plate (some have back plates integrated on the board itself) on the back of your motherboard includes:





USB ports (2.0, 3.0, 3.2, Type-C)



Audio jacks



Ethernet port



Display outputs (HDMI, DisplayPort) – only work if your CPU has integrated graphics



Higher-end boards may include Wi-Fi antennas and BIOS flashback buttons.



Front Panel Connectors – Small but Important





Tiny pins usually labeled F_PANEL (PANEL1 for this reference photo). These are the pinout that you will be connecting to the front I/O (The cables that connects to the power button from the case you bought.

You’ll connect:





Power switch



Reset switch



HDD LED



Power LED

Beware: These are tricky—consult the manual.



Cooling Connectors – Absolutely Required





These are the pinouts for your CPU cooler and case fans.





The CPU_FAN is for the CPU cooler fan.



The CHA_FAN (Chassis fan) is where your case fans connects.

Tips: If you got a water cooler, you can connect the water pump to either of these pinout as well, just make sure to set the speed to 100% in the BIOS settings in order to get the optimal performance.



In some motherboards, there will be a specific pinout for the water pump as well (labeled as AIO_PUMP or PUMP_HEADER).



Audio and USB – The Coup De Grace





Last but not least, let's don't forget the critical part of a PC, the USB and Audio ports.



These are the pinout that you will be connecting to the front I/O (The cables that connects to the USB and Audio port from the case you bought). The one with the 19 pin (Left side on the photo) is for USB 3.0 port of the front I/O, and next to it is the USB Type-C port. USB 2.0 is the 9 pin connector with the bottom right pin missing.



For the audio (Labeled as AC97 or HD_Audio) is another 9 pin but with a missing pin on the second top right counting from the right side. It may sounds mouthful but worry not, all of the pinout are absolutely fool-proof.



Final Thoughts

Learning how to “read” a motherboard makes every step of PC building easier—from choosing parts to troubleshooting. Bookmark this guide and come back to it when you’re ready to build, upgrade, or explore.



And don’t forget—choosing a good case like one from our darkFlash case collection helps showcase your build and makes cable management much smoother!

Part 2 of a two-part series that will lead to master your motherboard layout and build with confidence

How to Read a Motherboard (Part 2): I/O ports, Power Connectors, and Fan Headers

메인보드 레이아웃을 완벽하게 이해하고 자신감 있게 조립하는 방법을 알려주는 2부작 시리즈의 2부입니다.

메인보드 읽는 법 (2부): I/O 포트, 전원 커넥터 및 팬 헤더

 of your PC—it connects and powers every component. But to new PC builders, a motherboard can look like a maze of weird slots, pins, and acronyms.

In this two-part guide, we’ll break down the 

 of a motherboard, explain what each section does, and help you confidently plug in your CPU, GPU, RAM, SSDs, fans, and more.

Before diving into ports and pins, you should know the size and layout of your motherboard.

Tips: Make sure your PC case supports the motherboard size you choose.

This is where your processor (CPU) goes. It’s a square-shaped socket with a latch.

 You must match the CPU socket type with your processor model.

Most motherboards also have a VRM heatsink near the CPU socket for power regulation.

These are the long vertical slots beside the CPU socket.

Install RAM in the correct slots for dual-channel (usually slots 2 and 4 counting from the CPU side – check the manual).

PCIe Slots – For Graphics Cards and More

These are the horizontal slots under the CPU area. With the longer one supporting up to PCIex16 usually for graphics cards and the shorter one for Capture cards, Wi-Fi, sound cards. Newer motherboards may support PCIe Gen 5.0, but GPUs still mostly use Gen 4.0. 

 Use the top PCIe x16 slot for your GPU—it’s wired with the most bandwidth.

Modern motherboards come with M.2 slots and SATA ports.

 Some M.2 slots disable SATA ports when in use—check the manual.

In the next post, we will walk you through the other side of the motherboard—SATA ports, power connectors, front I/O, fan headers and more! Stay tuned so you can master every inch of your motherboards before you build.





The motherboard is the central nervous system of your PC—it connects and powers every component. But to new PC builders, a motherboard can look like a maze of weird slots, pins, and acronyms.


In this two-part guide, we’ll break down the essential parts of a motherboard, explain what each section does, and help you confidently plug in your CPU, GPU, RAM, SSDs, fans, and more.



Form Factor – The First Thing to Know

Before diving into ports and pins, you should know the size and layout of your motherboard.





Tips: Make sure your PC case supports the motherboard size you choose.



CPU Socket – The Master Mind





This is where your processor (CPU) goes. It’s a square-shaped socket with a latch.





Intel: LGA 1851, LGA 1700, etc. (pins are on the motherboard)



AMD: AM4, AM5 (pins are on the CPU)

Beware: You must match the CPU socket type with your processor model.
Tips: Most motherboards also have a VRM heatsink near the CPU socket for power regulation.



RAM Slots – Memory Matters





These are the long vertical slots beside the CPU socket.





Labeled as DIMM1, DIMM2, etc.



Usually 2 or 4 slots depending on board size



Only supports DDR4 or DDR5 (not both!)

Tips: Install RAM in the correct slots for dual-channel (usually slots 2 and 4 counting from the CPU side – check the manual).



PCIe Slots – For Graphics Cards and More





These are the horizontal slots under the CPU area. With the longer one supporting up to PCIex16 usually for graphics cards and the shorter one for Capture cards, Wi-Fi, sound cards. Newer motherboards may support PCIe Gen 5.0, but GPUs still mostly use Gen 4.0. 



Tips: Use the top PCIe x16 slot for your GPU—it’s wired with the most bandwidth.



M.2 and SATA – Storage Interfaces





Modern motherboards come with M.2 slots and SATA ports.



M.2 Slots (for NVMe or SATA SSDs):





Typically located between PCIe slots



Look for labels like M.2_1, M.2_2



May need to remove a heatsink

SATA Ports (for 2.5" SSDs, HDDs):





Usually 4–6 L-shaped connectors on the edge

Tips: Some M.2 slots disable SATA ports when in use—check the manual.



What's Next?

In the next post, we will walk you through the other side of the motherboard—SATA ports, power connectors, front I/O, fan headers and more! Stay tuned so you can master every inch of your motherboards before you build.

Part 1 of a two-part series that will lead to master your motherboard layout and build with confidence

How to Read a Motherboard (Part 1): CPU, RAM, and Expansion Slots Explained

메인보드 레이아웃을 완벽하게 이해하고 자신감 있게 조립하는 방법을 알려주는 2부작 시리즈의 1부입니다.

메인보드 읽는 법 (1부): CPU, RAM 및 확장 슬롯 설명

Build Guides                                                    

If you've been researching computers recently—whether you're building a PC or upgrading components—you've probably come across mysterious motherboard model names like “Z890,” “B760,” or “X870.” But what do these letters and numbers actually mean? And how can you make sure you're choosing the right one?

Don't worry—this article is written specifically for 

. It'll help you fully understand motherboard naming conventions, and also explain the differences between Intel and AMD boards.

What is Z890? How do you read a motherboard model number?

Let’s break down the naming logic using “Z890” as an example. It can be divided into two parts:

Intel vs AMD Motherboards: What’s the Difference?

While both Intel and AMD motherboards let you plug in a CPU, RAM, and graphics card to run a PC, their naming systems and specifications are different.

Different CPU generations use different sockets:

, meaning it offers enhanced features and expandability—like more PCIe lanes, USB ports, and stronger power delivery.

Here’s a quick summary of common usage scenarios:

(Only a selection of mainstream models is listed)

(for full motherboard support, please refer to each brand’s official website)

Quick Tip: Make Sure the CPU Matches the Socket!

You can’t install an Intel 13th Gen CPU (LGA1700) on a motherboard that only supports LGA1200. Similarly, you can’t use a Ryzen 7000 CPU on an AM4 motherboard.

Conclusion: Motherboard Model Numbers Aren’t That Hard!

Then motherboard model names won’t feel like a foreign language anymore. You’ll be able to confidently choose the right board without getting confused by spec sheets!





If you've been researching computers recently—whether you're building a PC or upgrading components—you've probably come across mysterious motherboard model names like “Z890,” “B760,” or “X870.” But what do these letters and numbers actually mean? And how can you make sure you're choosing the right one?



Don't worry—this article is written specifically for complete beginners. It'll help you fully understand motherboard naming conventions, and also explain the differences between Intel and AMD boards.



What is Z890? How do you read a motherboard model number?

Let’s break down the naming logic using “Z890” as an example. It can be divided into two parts:





Z: Represents the tier or level of the motherboard (higher-tier models have more features and cost more)



890: Indicates the CPU generation it supports (this number changes with each new CPU generation)



Intel vs AMD Motherboards: What’s the Difference?

While both Intel and AMD motherboards let you plug in a CPU, RAM, and graphics card to run a PC, their naming systems and specifications are different.





(ROG Z890, VIDEOCARDZ)



Intel Motherboards Overview

Intel models usually start with Z, B, or H to indicate tier:





Z Series: High-end; supports CPU and RAM overclocking; most feature-rich



B Series: Mid-range, good value and performance; ideal for most users



H Series: Entry-level, basic features, lowest cost

Different CPU generations use different sockets:





LGA1851: For the latest 15th Gen Core Ultra (e.g., Z890, B860)



LGA1700: For 12th to 14th Gen



LGA1200: For 10th and 11th Gen





(AORUS X870, VIDEOCARDZ)



AMD Motherboards Overview

AMD uses X, B, and A to represent tiers:





X Series: High-end, for enthusiasts and creators; supports the most PCIe and USB lanes



B Series: Mid-range, best value for performance



A Series: Entry-level, no flashy features, good for budget users

AMD supports two main socket types:





AM5: For the new Ryzen 7000 to 9000 series (e.g., X870E, B850)



AM4: Compatible with Ryzen 1000 to 5000 series

＊The "E" in AMD motherboard models stands for Extreme, meaning it offers enhanced features and expandability—like more PCIe lanes, USB ports, and stronger power delivery.



Which Motherboard Is Right for You?

Here’s a quick summary of common usage scenarios:





Gaming, streaming, video editing, or overclocking?
Choose Intel Z series or AMD X series



Gaming on a budget?
Go with Intel B series or AMD B series



Just browsing the web, writing reports, or watching videos?
Go with Intel H series or AMD A series



(Only a selection of mainstream models is listed)

(for full motherboard support, please refer to each brand’s official website)



Quick Tip: Make Sure the CPU Matches the Socket!


You can’t install an Intel 13th Gen CPU (LGA1700) on a motherboard that only supports LGA1200. Similarly, you can’t use a Ryzen 7000 CPU on an AM4 motherboard.

Before buying, always check:





The motherboard’s CPU socket (e.g., LGA1700, AM5)



The CPU generations it supports



Whether the memory type is compatible (most new boards are now shifting to DDR5)







Conclusion: Motherboard Model Numbers Aren’t That Hard!


Once you understand that:





Letters indicate tier/level



Numbers refer to CPU generation



And the CPU must match the socket

Then motherboard model names won’t feel like a foreign language anymore. You’ll be able to confidently choose the right board without getting confused by spec sheets!

What do motherboard model names mean? What should you pay attention to when choosing one?
Here’s everything you need to know!

Z890? X870? What Do Motherboard Model Names Mean?

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