Zalman ZM660-XT, 660 W, 88%, Overload, Short circuit, Semi-Modular, Black, 14 cm Zalman ZM660-XT. Total power: 660 W, Efficiency: 88%, Power protection features: Overload, Short circuit. Cabling type: Semi-Modular. Product colour: Black, Fan diameter: 14 cm. Dimensions (WxDxH): 150 x 180 x 86 mm, Power requirements: 100 - 240VAC, 50-60Hz The 660W ZM660-XTs power is spread over four 12V rails, each of which is rated at 20A. One powers the processor, two power each of the two PCI-E cables and the fourth deals with the motherboard and disk drives. We like the modular cable system, bu...