Brand : COUGAR Series : GEX Series Model : GEX650 Details Type : ATX12V Maximum Power  : 650 W Fans : 120mm Hydro Dynamic Bearing Fan Main Connector : 20 4Pin 12V Rails  : Single PCI-Express Connector : 4 x 6 2-Pin SATA Power Connector : 8 Modular : Full Modular Efficiency : Up to 91 efficiency Energy-Efficient : 80 PLUS GOLD Certified Protection : OCP, OPP, OVP, UVP, SCP & OTP Input Voltage : 100 - 240 V Input Frequency Range : 50/60 Hz Input Current : 10 - 5 A Output :  3.3V@18A, 5V@20A, 12V@54.1A, -12V@0.3A, 5Vsb@3A MTBF  : >100,000 Hours Max : PSU Length 160 mm Connectors 1 x Main 24(20 4) Pins 2 x CPU 8(4 4) Pins 4 x PCI-E 8(6 2) Pins 8 x S-ATA 5 Pins 6 x Peripherals 4 Pins Features 80 PLUS Gold Certified Up to 91 efficiency power conversion to cut down your electricity bill Fully Modular Power Supply Unit Connect only the cables you need for less clutter and better airflow COUGAR HDB Fan Hydro Dynamic Bearing Fan: Extended durability and lower noise levels Superior fan Curve Tuning Advanced technology for noise minimization Flawless Operation at 40°C Powerful performance at 40°C ambient temperature Ultra-stable Voltage Outputs DC to DC technology for enhanced voltage stability Strong Safeguards : OCP, OPP, OVP, UVP, SCP & OTP Maximum safety for your key system components Dimension & Weight Dimensions : 3.39\" x 5.91\" x 6.30\" Weight : 3.22 lbs.