How to Guide                                                    

By observing two key characteristics, you can quickly identify whether a fan is a normal-blade or reverse-blade design. Choosing the right fan ensures optimal cooling performance and aesthetic appeal for your PC.

Fan blades tilt backward, meaning the leading edge is higher than the trailing edge.

Fan blades tilt forward, meaning the leading edge is lower than the trailing edge.

Air enters from the front of the fan and exits through the back.

Air enters from the back of the fan and exits through the front.

Normal-blade fans dominate the market due to their versatility and compatibility with most cooling setups. Reverse-blade fans cater to specific aesthetic or airflow needs, particularly when you want a consistent look across all fans while maintaining effective cooling.

By understanding the differences in blade tilt and airflow direction, and strategically installing fans in suitable positions, you can significantly improve your system’s cooling efficiency and maintain stable performance.





By observing two key characteristics, you can quickly identify whether a fan is a normal-blade or reverse-blade design. Choosing the right fan ensures optimal cooling performance and aesthetic appeal for your PC.



Key Differences

1. Blade Tilt Direction

Normal-Blade Fans:

Fan blades tilt backward, meaning the leading edge is higher than the trailing edge.



Reverse-Blade Fans:

Fan blades tilt forward, meaning the leading edge is lower than the trailing edge.





2. Airflow Direction

Normal-Blade Fans:

Air enters from the front of the fan and exits through the back.



Reverse-Blade Fans:

Air enters from the back of the fan and exits through the front.







Recommended Installation Positions

Normal-Blade Fans:





Designed for the interior-facing installation where the fan's front faces the inside of the case.



Recommended placement: Top panel of the case / Rear panel of the case

Reverse-Blade Fans:





Suited for maintaining uniform aesthetics and airflow when fans are installed with the back facing the interior.



Recommended placement: Side panel of the case / Above the power supply shroud



Considerations for Installation

Airflow Requirements:





Decide based on your cooling strategy: intake or exhaust airflow.



Normal-blade fans are the default and most versatile choice.

Placement and Clearance:





Ensure the fan fits without obstruction and doesn’t interfere with other components.

Cooling Efficiency:





Test the thermal performance in your setup to confirm the fan type and placement meet your needs.







Summary

Normal-blade fans dominate the market due to their versatility and compatibility with most cooling setups. Reverse-blade fans cater to specific aesthetic or airflow needs, particularly when you want a consistent look across all fans while maintaining effective cooling.



By understanding the differences in blade tilt and airflow direction, and strategically installing fans in suitable positions, you can significantly improve your system’s cooling efficiency and maintain stable performance.

Learn how blade orientation affects airflow, efficiency, and the proper use of fan systems in different environments.

What's the Difference Between Normal-Blade and Reverse-Blade Fans?

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Our goal is to create products that could extremely exert its effect by every user.

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