Power Supply ATX 850W GAMEMAX RGB-850, 80+ Gold, Full Modular cable, Active PFC,140mm, RGB. Compatible with ATX12V 2.3 &2.4. High-end SECC black coating casing. High-Efficiency – 90+  Low Noise 14cm RGB Fan with intelligent fan speed control. Honeycomb ventilation design for optimal heat dissipation. High-end VGA card support with modern PCIe 6+2pin connector. Powerful single +12V rails offer stable DC output and support high-end graphic card and PC system. Long cable length at least 500mm supports high-end case with “Bottom”PSU position. Active Power Factor rate up to 0.9. Green power design that meets ErP requirements. Low ripple noise. OPP/OVP/UVP/SCP/OCP electrical protection included.http://www.gamemaxpc.com/productkkk/showproduct.php?id=331