Kingwin definitely has a great product on their hands here. The ABT-800MA1S falls right in line with the rest of their Mach 1 series power supplies. There is more than enough power for most entry level enthusiast with modular features and great looks. Unfortunately the Mach 1 series of power supplies do not feature Active PFC nor do they carry the 80%+ efficiency rating. The voltages stayed stable and did not fluctuate at load. This power supply does come with a slightly high price tag between one and two hundred US dollars…


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