Rosewill Xtreme Series 850W 80 PLUS Certified Power Supply ATX12V / EPS12V 850 Power Supply RX850-S-B Supports ATX12V v2.2 & EPS12V v2.91 standards Supports both Intel and AMD Systems Single 12V rail provides reliable power SLI & CrossFire Ready - 4 x 6+2pin Connector 1 x Silent 135mm Ball-bearing Blue LED Fan with Auto Fan Speed Control Mesh sleeving on all cables for easier cable routing and better ventilation Over Temperature / Current / Voltage / Power Protection, Under Voltage Protection, and Short Circuit Protection provide maximum safety to your critical system components Safety & EMI Approval: UL, TUV, CE, FCC, ROHS