Inter-Tech ASPOWER R1A-KH0400. Total power: 400 W, AC input voltage: 100 - 240 V, AC input frequency: 50 - 60 Hz. Motherboard power connector: 20+4 pin ATX, Motherboard power cable length: 40 cm, SATA power cable length: 400,550 mm. Purpose: Server, Power supply unit (PSU) form factor: 1U, 80 PLUS certification: 80 PLUS Silver. Product colour: Silver, Cooling type: Active, Fan diameter: 4 cm. Width: 122 mm, Depth: 245 mm, Height: 41 mm