Got a malfunction that acted the same way. fan center. I did not disassemble the fan to determine the exact problem. It would be nice if ARCTIC QA solved the production problem instead of sending defective fans back to customers for years, although I can't say how unhappy I am; Maybe I won the fan failure lottery. As always, Revain was instantly and unquestionably replaced with a few clicks; It's hard to deal with when Revain fixes the problem so quickly and effortlessly. Second fan arrived and works as described, pulls in cool air well to extend hard drive life, very reasonably priced for the specs, no issues with rattling.
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