Cooler Master releases a whole new mid-range power supply, GX-450. This power supply is specifically targeted at systems in the upper-mid range, yet reasonably priced. The Cooler Master GX Series of power supplies feature a single highly robust 12 V rail, proficiently delivering power to the most demanding components including the processor, drives, & cooling fans. Now including a double-layer EMI Filter, an intelligent 120 mm controllable fan & an active PFC/PWM combo controller for increased efficiency, the GX Series will keep the power in your hands. Features Compliance with the latest Intel standard ATX 12V V 2.31 Single 12V rail for most demanding SLI configurations High efficiency design that meets 80plus requirements (85% typical) Ultra-silent operation with intelligent 120mm fan speed control Multiple protection design High reliability Huge bulk capacitor for hold time up >17ms at full loading Integrated Active PFC with PWM Efficient transformer Five year warranty Model RS450-ACAAD3-UK Type Intel Form Factor ATX 12V V2.3 Dimension (W / H / D) 150 x 140 x 86 mm Input Voltage 90-264 Vac (Auto Range) Input Current 7A@115 Vac, 5@230 Vac Input Frequency Range 47-63 Hz PFC Active PFC (>0.9) Power Good Signal 100~500ms Hold Up Time >17ms Efficiency 85% typical MTBF >100, 000 hours Protection OVP / UVP / OPP / OTP / SCP Output Capacity 450W Max. Output Capacity 540W Operation Temperature 0~40?C (Nominal Input Voltage) Regulatory TUV / CE / UL / FCC / BSMI / GOST / C-tick / CCC / KCC Fan 120mm Certifications 80 PLUS Cable connectors 20+4 Pin MB x 1 4+4 Pin CPU 12V x 1 6 Pin PCI Express x 1 SATA x 5 4 Pin Peripherial x 3 4 Pin Floppy x 1