Supermicro PWS-665-PQ. Nominal power: 665 W, AC input voltage: 100 - 240 V, AC input frequency: 50/60 Hz. Fan diameter: 80 mm, Fan location: side, Cooling type: active. Motherboard power connector: 24-pin ATX. Weight: 2.4 kg. 80 PLUS certification: 80 PLUS Bronze