My motherboard (an ASUS P8H61-MX R2.0) has just one case fan power port. Quite some time ago I purchased a Corsair Air Series AF120-LED 120mm fan, and later purchased a second to mount at the front of my case to act as an intake, and therefore I needed a power splitter to power both. They work fine, however for some reason, when the front fan is powered, it persistently fluctuates its RPM and is very noticeable in regards to noise. Otherwise, my PC is very quiet and the rear fan (even when plugged in to the splitter) does not do this noticeably.
As a result, I leave the front fan unplugged however I'd like to use it if I could solve the issue.
As a result, I leave the front fan unplugged however I'd like to use it if I could solve the issue.