Corsair’s CX line is made by two manufacturers, Channel Well Technology and Great Wall. Both are good OEMs with solid manufacturing lines. As we noticed in the CX450 review, both flavors have equal performance. In today’s review, we will take a look at the Great Wall version of the CX650. You can distinguish it by its RPS number, which is RPS0065. RPS numbers are reference designators given to each Corsair model. The CWT-made CX650 has an RPS number of RPS0055.
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https://www.tomshardware.com/reviews/corsair-cx650-power-supply-review