
CHF122.– CHF30.51/1TB
WD Red Pro
4 TB, 3.5", CMR
WD Red Pro
4 TB, 3.5", CMR
I have 2 WD Red Pro installed in my NAS. Both make scratching noises. When I activate the test function in the NAS, it sounds like a drill. Is that normal?
they do the same for me, they are a bit louder than my old ones ...I assume that has something to do with resonance