Supermicro PWS-504P-1R. Total power: 500 W AC input voltage: 100 - 240 V Peak power: 547 W. Power supply unit (PSU) form factor: 1U 80 PLUS certification: 80 PLUS Platinum. Product color: Aluminum Cooling type: Active Number of fans: 1 fan(s). Width: 2.17 (55 mm) Depth: 12.6 (320 mm) Height: 1.57 (40 mm)