Full Details from Amazon.com : http://www.amazon.com/gp/product/B0045WHROQ?tag=onigi-20
500W Atx EPS12V Desktop Pc Power Supply
An automatic 80mm temperature-controlled fan keeps the power supply quiet during low power demand
Dual 12V rails provide balanced power and additional stability
Backed by a StarTechcom 3-year warranty and free lifetime technical support
Complies with EPS12V rev 28292 and ATX12V rev 201 specifications
80mm dual ball-bearing fan
Dual 12V rail design
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