Corsair Gaming, Inc.
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I want to thank Corsair. Replace 850E by 850X because clicking noise
I want to thank Corsair, although tickets are very slow to respond. I had a clicking noise issue with my RM850E PSU, and they offered to exchange it for an RM850X. I completed an Advanced RMA, prepaid for the 850X, and when it arrived at my home, I assembled it, sent the defective 850E, and received my money back within a few days. I'm very surprised and grateful to their after-sales team. One of the best, if not the best.