So for months the excessive noise of my computer has been bugging me. I installed a watercooler and it didn't stop. What bugged me more is the fan noise was exactly the same as it was before replacing my aircooler with a watercooler. I finally figured out that the noise is my power supply fan. Never once have I had a power supply make so much noise under load. Never. And there's nothing out there in the way of software to read its temp or adjust its fan usage. Now I'm wondering if somehow it's under-rated and overheating, but it gets noisey even when my cpu is only around 20% load and not drawing that much power. The power supply is a Cooler Master Elite V2 - 550W Long-Lasting Power Supply with Full Electrical Protection (OVP/UVP/OPP/OCP/SCP). My computer is running a Gigabyte Z270 motherboard with an i5 7600k cpu with no overclock, 1 hard drive, 2 solid state drives, 8 GB of ram, an NVIDIA GTX 770 (which was not under load at the time) and a watercooler for the processor. I don't have a tool to measure how many watts the computer is drawing as a whole, but my CPU doesn't draw much power without an overclock and my graphics card is in here just to give me three displays, and is never under gaming load, and never draws much power. So why is it that doing something as simple as scrolling Facebook is causing my power supply to become so annoyingly loud? I thought these things only got loud when they were overloaded. 20% CPU utilization on an i5 and an under-leveraged gpu shouldn't be stressing a 550watt supply this badly. It's also worth noting that this build is only a few months old; I built this PC in April of this year, and I've had this problem since day one.
Here's a video to show how loud it is. I opened Firefox and went to Facebook and this is what I started to hear after 20 seconds. Note that I wasn't even scrolling at all, and the PSU would not calm down until I closed every Firefox tab I had open.