1stoverride Posted January 11, 2016 Share Posted January 11, 2016 So recently i build a new computer and i used my old psu. everything worked fine but the fan of that psu was a bit noisy when heating up and getting above 600 rpm. i decided to get a new psu and after some searching and using some calculators and thinking of future sli i came up with the 850 rmi. connected all the wires and booted the system and everything was working fine. did all my cable management and started using my computer. occasionaly i noticed a high pitch wining noise when just browsing. when playing a game or stressing the cpu it gets way worse. i recorded it with my phone [ame] [/ame] first 20 seconds i am just trying to get the psu and serial number on the screen. The pc is running at idle and at about 23 second i start the stress test and the birds start singing i looked on the forum and noticed there are several fixes like cpu energy savings. i tried them all but nothing makes it go away completely. tried removing my 980ti but that just made the sound less noticable but still louder than the fans am i just really unlucky here and having coil whine ? not sure if my system is listed msi gaming 5 i7 4790K 2 X samsung 850 evo raid 0 1 X ssd 90gb for storing files i cant lose 110i gtx cooler Corsair Vengeance Pro Series - DDR3 - 16 GB : 2 x 8 GB msi 980 ti Link to comment Share on other sites More sharing options...
Corsair Employee jonnyguru Posted January 12, 2016 Corsair Employee Share Posted January 12, 2016 That's not coil whine. That's rather unique, actually. I suggest contacting support to get a replacement, but have them do a failure analysis on the return so they can figure out why the PSU is making that noise and ensure future PSUs don't make that noise. Feel free to link them to this forum thread if they're not clear what the situation is. They know who I am. ;): Link to comment Share on other sites More sharing options...
1stoverride Posted January 12, 2016 Author Share Posted January 12, 2016 I contacted the company where i bought the psu, and they said they will handle the rma and will contact corsair. They will use the link to this topic for reference the company gave me the option for getting another 850rmi or getting a different model. Now i am kinda reluctant in getting another 850rmi somehow due this issue thinking of switching to the ax860i but googling did not make it any easier. am i just beeing too cautious/paranoid? will the 860i gaurantee no problems ? Link to comment Share on other sites More sharing options...
Corsair Employee jonnyguru Posted January 12, 2016 Corsair Employee Share Posted January 12, 2016 You're being to cautious. It's not a normal noise. I haven't heard that noise on an RM850i before. Glad that the company you bought it from will handle the RMA for you. The only problem with that is it will never get back to Corsair for analysis. Link to comment Share on other sites More sharing options...
gerbil80 Posted January 18, 2016 Share Posted January 18, 2016 I just stumbled across this... I have the exact same issue with an RM850I that I just received as a replacement for a faulty RM850. I tried all of the normal tricks (energy saving settings, adjusting voltages etc) nothing worked and it only happens when stressing the CPU even opening web pages or moving the mouse cursor, GPU load had no real effect. I assumed that it was coil whine also... Perhaps there is a bad batch? Link to comment Share on other sites More sharing options...
Corsair Employee jonnyguru Posted January 18, 2016 Corsair Employee Share Posted January 18, 2016 The EXACT same noise as in the video or something similar? It's very important you're sure. If it's the same noise as in the video, than I'm going to tell you the same thing I told the OP: "I suggest contacting support to get a replacement, but have them do a failure analysis on the return so they can figure out why the PSU is making that noise and ensure future PSUs don't make that noise. Feel free to link them to this forum thread if they're not clear what the situation is. They know who I am." Link to comment Share on other sites More sharing options...
gerbil80 Posted January 18, 2016 Share Posted January 18, 2016 99% sure it's the EXACT same noise. It is difficult to be 100% as I don't know what the original poster was doing at the time. My unit started sounding like "coil whine" out of the box and has progressed (48hrs) to what sounds like the OP's video. It is immediate soon as the PC enters windows and then is present unless the PC is completely idle, open chrome and or move the mouse cursor and you get the (for want of a better description) metallic grinding noise. Higher CPU & GPU usage like playing a game yields a slightly lower tone but the noise is still there Could be that the case fans/d5 pump drowns the noise out slightly. I have an open ticket on this, just waiting for a reply. Link to comment Share on other sites More sharing options...
Corsair Employee jonnyguru Posted January 18, 2016 Corsair Employee Share Posted January 18, 2016 Ok. When they reply to the ticket, link them this thread and tell them that Jonny asked that HQ do a failure analysis (FA). Link to comment Share on other sites More sharing options...
gerbil80 Posted January 18, 2016 Share Posted January 18, 2016 Will do... Thanks. Link to comment Share on other sites More sharing options...
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