alexanderhunter Posted May 12, 2013 Share Posted May 12, 2013 I have an H80i and it emits a very fast grinding hum noise that pulses louder then softer then louder then softer. I have 6 other fans in my 550D case (which also has noise dampening) and I can hear this h80i pump over everything else. I disconnected every fan to make sure none of the fans were making this noise, and after doing so I could still hear this noise. This is my second h80i as the first one had a stripped screw hole (it was a lot quieter though). The new one is running firmware 1.0.5. I have installed it as instructed by the installation guide. anyone have a solution or will I have to RMA this second unit? Link to comment Share on other sites More sharing options...
peanutz94 Posted May 12, 2013 Share Posted May 12, 2013 Do you have the 3 or 4 pin fans for your unit? Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted May 14, 2013 Corsair Employees Share Posted May 14, 2013 Try connecting the fans directly to the MB fan header and see if the pump will exhibit the same issue.. if it does, then the noise is independent with in the pump and will need replacement. If the noise goes away and you have a 3pin, we can simple send you the new PWM fans for that H80i cooler. Link to comment Share on other sites More sharing options...
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