Full Details from Amazon.com : http://www.amazon.com/gp/product/B008BV21G6?tag=onigi-20

SHARK TECHNOLOGY? 600W 120mm Cooling Fan Single Rail 12V ATX Power Supply Upgrade for PC/HP/Dell

Supports Intel P3 P4 and AMD based systems Quiet Operation Reliable with Single Rock Solid 12V Output
Run cool will not overheat Multiple lines of cables to support drives located not next to each other
Reliable Upgrade Replacement for Dell Dimension E310 E510 E520 E521 3100 5100 5150
Upgrade for OptiPlex Tower GX60 GX150 GX240 GX260 GX270 does not fit SFF or the slim type version
Upgrade Replacement for Dell PN PS-6311-2D2 PH333 CX305N-00 W8185 L305N-00 N305P-00 L305P-01NC905 C5201 D5032 YH542 UH870