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Thread: Profit margin on a $25 power supply

  1. #21
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    Quote Originally Posted by Jon Gerow View Post
    Yes... you can build a PSU for $5.

    Even at $1 a fan, $5 for a whole supply is impressive.

    Junk for sure, but impressive junk.
    Last edited by ashiekh; 3 Weeks Ago at 11:53 AM.

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    Well I would assume using a PWM fan would increase cost more than just the added fan cost since you could have to add a circuit to drive such fan.

  3. #23
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    Quote Originally Posted by RyzenMaster View Post
    Well I would assume using a PWM fan would increase cost more than just the added fan cost since you could have to add a circuit to drive such fan.
    Depends on your fan controller. For Corsair, it's not a cost adder. But in a cheap PSU that only uses a thermistor control to change the DC output voltage, yeah.. You're going to have to add a bit more to get PWM to work.

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