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Thread: Seasonic M12II 620W Fan Replacement

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    I guess after further thought, if the fan is laying horizontally and blowing up, the weight of fan is pushing down, and the force of the air being pushed up is also pushing the fan down.

    If the horizontal fan is blowing down, gravity is pushing down, but the blade assembly is trying to push up, countering some or all of the gravity.

    In either case, with a horizontal orientation, all the force is being exerted onto one small point so seems it would have to be a pretty cheap fan for the up or down orientation to make a significant difference in the life of the fan.

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    Quote Originally Posted by Digerati View Post
    I guess after further thought, if the fan is laying horizontally and blowing up, the weight of fan is pushing down, and the force of the air being pushed up is also pushing the fan down.

    If the horizontal fan is blowing down, gravity is pushing down, but the blade assembly is trying to push up, countering some or all of the gravity.
    Nice. It makes sense.

    In either case, with a horizontal orientation, all the force is being exerted onto one small point so seems it would have to be a pretty cheap fan for the up or down orientation to make a significant difference in the life of the fan.
    Exactly. I have a $2 fan that works as well as any other sleeve bearing fan. The difference was the markup.
    CPU: Core i7 8700k, HT enabled, all 6 cores OC'd to 4.8GHz, Vcore = 1.24v
    Heatsink: Noctua NH-D15 with one NF-A15 1500 RPM PWM fan
    Motherboard: Gigabyte Z370X Aorus Gaming 7
    RAM: 4x16GB (64GB) Corsair Vengeance LPX DDR4 RAM 16-18-18-36@3200MHz, Vdimm = 1.35v
    GPU: MSI GeForce GTX 1080 DirectX 12 with 8GB 256-Bit GDDR5X
    SSD1: Samsung 840 EVO 500GB TLC; SSD2: SAMSUNG 860 EVO 1TB 3-bit MLC
    HD: WD 500GB (old); Case: LIAN LI PC-7H Aluminum ATX Mid Tower
    PSU: Seasonic Platinum 660W

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