Yes, you can disable PCIe power by adjusting the BIOS settings or using manufacturer-specific controls.
Yes, you can disable PCIe power by adjusting the BIOS settings or using manufacturer-specific controls.
Used Prime95 and Furmark, both produced some noise but not the kind you hear during gameplay. It didn’t affect performance much (likely due to my GPU only handling half its power). Tried -50 and +20, which are the minimum and maximum settings, but results stayed the same. Experimented with adjusting voltages, though it didn’t help much. The audio appears similar in this setup. Camera angle shows the mic near the GPU when pointing down, and the mic positioned at the top left of the motherboard when facing forward. PSU operates quietly. VID_20211031_201223.mp4
It seems the issue isn't related to the motherboard or graphics card. The noise described matches coil whine, but if it isn't that sound, you might be missing something else. Perhaps the power supply fan is causing the disturbance. Try running both stress tests simultaneously to confirm the maximum power consumption, which should exceed what games typically use.
Added the noise from gameplay. The PSU fan (RM650x 2018) isn’t spinning, even when placed outside the case. Also tested two 600W System Power 9 units, but only heard that buzz. CPU uses around 65W and GPU about 80W.
It seems like a squeaky fan bearing is the issue. Coil whine isn’t the kind of hissing sound you’re describing. You might want to test the case fans, CPU cooler fans, and GPU fans separately. A common problem with fan noises is that they appear only at certain speeds, so checking fan speeds when you hear it could help.
Have you attempted placing the case face down? It could align better with what’s inside. Play around with it in this way and check if the noise remains consistent.
I encountered the same issue by removing the entire setup and testing it on a flat surface made of cardboard. This helped me pinpoint the noise more easily instead of trying to inspect inside the case. Whether this approach was useful remains uncertain.
I believe this happened a few months back, involving both the GPU and motherboard, with the motherboard being noticeably louder. Also, I tried testing the GPU in the bottom slot but the power pins are blocked, making it impossible to power it on. I’m starting to suspect the problem might be related to electricity in my home rather than my PC.