Thats what it does, except for spinning up to full rpm for 5 seconds and then off for 20 seconds...wash rinse and repeat until the system goes to sleep .
I recently upgraded my computer (asus rog strix mobo, amd 3700x, 16 gig ram , 1 tb m.2, and a fresh win10 install) and put a Sapphire rx570 video card I had in my htpc for a couple of years (I'm not a gamer). Everything is working fine except for an odd issue with the video card fan. When my...