Reviews and Problems with Cooler Master GX 550W (RS550-ACAAD3-XX)
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Jonny Smales, Overclockers
8 February 2012
Summary: This power supply seemed good at the start, it powers my 7870 without a problem and supplies enough power to my system. Only problem i have with it, is that after an hour or two of my pc being in, it develops a bad case of whine and the fan isn't the quietest, let me put it this way, my 7870 is quieter while playing battlefield 3.