gycon Posted February 20, 2018 Share Posted February 20, 2018 This has been doing my head in for months and I finally found out what was causing it. Some genius at Corsair thought it would be a great idea to cover half of the fan with a clear hard plastic square about half the length and width of the PSU. The only reason I saw it was because I ran the PSU out of the case with a flashlight shining in it and could see the plastic flicking the fan. Now that I've opened the PSU and taken out the plastic, it runs silent and much much cooler. WT actual F guys. Covering a fan like this is beyond retarded. Link to comment Share on other sites More sharing options...
Vegan Posted February 21, 2018 Share Posted February 21, 2018 could be a piece of plastic from a cutter got into the fan instead of the floor probably a rare event but since you have it removed and the noise is gone you should be good Link to comment Share on other sites More sharing options...
gycon Posted February 21, 2018 Author Share Posted February 21, 2018 It was there on purpose, it even had cutouts for the screws. There's also a piece that runs the height of the PSU, which I'm assuming prevents internals touching the side of the enclosure. I'm pretty sure the plastic covering the fan is there to prevent the loop of wires touching the blades, but a few seconds to make sure they are neatly in place would have prevented this being an issue. I would show a pic of it in place but a fully loaded 750D is a bitch to move and get the PSU out again. Here's a tear down of a CX750 with a very similar piece covering the fan [ame= ] [/ame] Link to comment Share on other sites More sharing options...
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