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Available power on PWM headers£ |
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BerMM 
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Joined: 29 Mar 2022 Location: Seattle Status: Offline Points: 65 |
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 Topic: Available power on PWM headers£Posted: 09 Aug 2022 at 1:00am |
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Thanks. I should clarify. I have 3 pairs of fans, with each pair on its own header. The most power hungry pair is 1.1 amp total with the others at 0.6 amp per header. I could split the 1.1 amp pair to 0.55 amp per header if necessary.
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threadzipper1957
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Joined: 05 Mar 2022 Status: Offline Points: 9335 |
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Posted: 08 Aug 2022 at 6:34pm |
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4 Pin fan header usually provides 1A.
But if I were you, I would not connect so many fabns to one header, there is a good chance, you burn out the fan controller chip. Fans always have a longer life span, when they run on a fixed speed, just connect the to a Molex from the PSU, and use a resistor cable, also you can then use a splitter cable. Multiple fanbs, on one header, is never a good idea. |
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Kind Regards
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BerMM
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Joined: 29 Mar 2022 Location: Seattle Status: Offline Points: 65 |
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Posted: 29 Mar 2022 at 10:09am |
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How much can I safely draw from each PWM header on the B550 Taichi? I'd like to use a pair of 0.55A fans and four 0.3A fans.
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