A Fully Modular Cabling System

All cables detach from the power supply. During installation, this gives you the flexibility of using only the cables you need for a clean system build with optimal airflow. And, when it's time to replace or upgrade your power supply, it can be removed from your system without interfering with your cabling — the cables stay in place and connect to your new fully-modular Corsair power supply.

Corsair Professional Series Gold AX850 features: *Supports the latest ATX12V v2.31 and EPS 2.92 standards and is backward compatible with ATX12V 2.2 and ATX12V 2.01 systems. *An ultra-quiet 120mm double ball-bearing fan delivers excellent airflow at an exceptionally low noise level by varying fan speed in response to temperature. *80 Plus Gold certified to deliver at least 90% efficiency at 50% load. *Active Power Factor Correction (PFC) with PF value of 0.99. *Universal AC input from 90~264V *No more hassle of flipping that tiny red switch to select the voltage input!. .. *A dedicated single +12V rail offers maximum compatibility with the latest components. *Over-voltage and over-current protection, under-voltage protection, and short circuit protection provide maximum safety to your critical system components. *High-quality Japanese capacitors provide uncompromised performance and reliability. *Completely modular cable system allows you to use only the cables you need *Power supply upgrade and replacement is easy, as the cables only need to be disconnected at the power supply. .. *Low-profile, flat cable design reduces air friction and helps maximize airflow through your computer's chassis. *A seven year warranty and lifetime access to Corsair's legendary technical support and customer service. *Dimensions: 150mm(W) x 86mm(H) x 160mm(L). *MTBF: 100,000 hours. *Safety Approvals: UL, CUL, CE, CB, FCC Class B, TÜV, CCC, C-tick.

More Info Here: http://www.corsair.com/en/professional-series-gold-ax850-80-plus-gold-certified-fully-modular-power-supply