jazz4 Posted March 6, 2009 Share Posted March 6, 2009 My CX400W has been very quiet since I bought it 3 months ago. However it has developed a very irritating noise couple of weeks ago. It's a combination of a whining and constant high and low fan speed, which is driving me :mad: It tends to happen few minutes after turning on my computer, and it's no different in safe mode either. I am wondering if my system is constantly putting it under load, and if it will make any difference getting a replacement. My system has been estimated to draw about 345w+. My system spec hasn't changed since installing this PSU I am trying to aviod wasting money and effort sending it back to the reseller only to be told that it works fine. Please advice me. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted March 6, 2009 Corsair Employees Share Posted March 6, 2009 If its developed a bothersome noise then we can try replacing it for you. Please use the On Line RMA Request Form and we will be happy to replace it. Be sure to check the box that says “I've already spoken to Technical Support and/or RAM Guy.” Link to comment Share on other sites More sharing options...
jazz4 Posted March 6, 2009 Author Share Posted March 6, 2009 Thanks for the reply, however I am not convinced that the replacement won't behave the same. I can confirm now that the noise seem to start when computer has been on for a short while which might suggest a rise in temperature and hence full load. I bought this PSU on sale and posting it back for replacement could cost almost half the sale cost. On the otherhand when it gets noisy I struggle to use my computer. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted March 6, 2009 Corsair Employees Share Posted March 6, 2009 You may want to test it in a different system to see if it exhibits the same behavior. The noise could likely be from a capacitor on the motherboard, graphics card or PSU. Link to comment Share on other sites More sharing options...
FEAR6655 Posted March 7, 2009 Share Posted March 7, 2009 That PSU is more than enough. My system draws a measured 180w on the DC side under full CPU and GPU load, so yours should be much less. Link to comment Share on other sites More sharing options...
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