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Wind direction query on CPU coolers.

vibeit
By vibeit
in Cooling
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How come CPU manufacturers design the airflow to blow towards the CPU heatsink instead of away from it? This way simply deposited dust particles over time and made the CPU at risk of overheating. Would it not be more effective if it sucked the air away from the heatsink?

My system: CPU: Intel i5 6500; Mobo: H110M-k; GPU: Nvidia GT 730; Memory: 16 GB; HDD: 2x 1TB HDD;

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https://linustechtips.com/topic/176913-wind-direction-query-on-cpu-coolers/
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They're trying to follow the air flow pattern inside the case as well. 

Case: Corsair 4000D Airflow; Motherboard: MSI ZZ490 Gaming Edge; CPU: i7 10700K @ 5.1GHz; Cooler: Noctua NHD15S Chromax; RAM: Corsair LPX DDR4 32GB 3200MHz; Graphics Card: Asus RTX 3080 TUF; Power: EVGA SuperNova 750G2; Storage: 2 x Seagate Barracuda 1TB; Crucial M500 240GB & MX100 512GB; Keyboard: Logitech G710+; Mouse: Logitech G502; Headphones / Amp: HiFiMan Sundara / Mayflower Objective 2; Monitor: Asus VG27AQ

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Its same with ACX GPU coolers. Its much more efficient to direct fresh, cool air where its needed than trying to remove hot air.

 

E: I'm going on that you are meaning stock coolers? Since with bigger tower heatsinks it doesn't matter if its push or pull as heat is already moving away from chip itself.

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