Internal - 120 V AC, 230 V AC Input - 3.3 V DC @ 25 A, 5 V DC @ 25 A, 12 V DC @ 133 A, 12 V DC @ 500 mA, 5 V DC @ 3 A Output - 1600 W - 1 +12V Rails - 1 Fan(s) - 92% Efficiency