Chieftec Core BBS-500S. Total power: 500 W, AC input voltage: 100 - 240 V, AC input frequency: 47 - 63 Hz. Motherboard power connector: 24-pin ATX, SATA power cable length: 150,500 mm, Peripheral (Molex) power cable length: 150,500 mm. Purpose: PC, Power supply unit (PSU) form factor: PS/2, 80 PLUS certification: 80 PLUS Gold. Product color: Black, Cooling type: Active, Fan diameter: 4.72" (12 cm). Width: 5.51" (140 mm), Depth: 5.91" (150 mm), Height: 3.39" (86 mm)