The RAIDMAX Cobra RX-850AE-B is a high-end power supply designed for advanced users who demand higher quality power for their energy-hungry systems. It combines 850 watts of stable and quiet power, A strong single +12V rail with 80 PLUS Gold efficiency. Factor in the ultra-quiet 135mm fan, modularized cable design and 3-way SLI & CrossFire capability, the new Cobra PSU blasts ahead of the competition at an affordable price. Industrial grade protection circuitry prevents your components from damage resulting from SCP, OCP, OVP, UVP, and OPP. The RAIDMAX Cobra PSU also supports the latest Intel's Haswell C6/C7 processors.