Antec knocked the ball out of the park with the SG-850, and repeated the feat with the SG-650. I simply haven’t met a unit that can outperform these units, and my challenge from last time seems to have gone unanswered so far. There are only three ways I can think of to improve the Signature line: release a 1kW version, bring up efficiency enough to get gold or silver from 80 Plus, and drop the price just a hair more. Otherwise, the SG-650 is a wolf in sheep’s clothes – go buy one. You know you want to. Antec Signature 650W @ JonnyGuru

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