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				CoolerMaster PSU GX 550W
[RS-550-ACAA-E3]				
				№: ++703
				  Manufacturer: CoolerMaster
				
				
			
					Specifications:
Introduction
The latest addition from Cooler Master is a range of 550W, 650W and 750W power supplies that specifically targets upper mid-range to high-end gaming systems, the Cooler Master GX Series. The Cooler Master GX range of power supplies feature a single powerful +12V rail that has been designed to deliver more than ample power to dual graphics card systems, no matter if you use SLI or CrossFireX.
Features
- Compliance with the latest Intel standard ATX 12V V 2.31
- Single +12V rail for the most demanding SLI configurations
- High efficiency design that meets 80 Plus requirements (85% typical)
- Ultra-silent operation with intelligent 120mm fan speed control
- Multiple protection design (OVP / UVP / OPP / OTP / SCP)
- High reliability (MTBF>100,000 hours)
- Double Layer EMI Filter restrains noise and injury to end-user
- Huge bulk capacitor for hold up time >17ms at full loading
- Integrating Active PFC with PWM combo controller not only make PFC higher than 0.99, but also raises efficiency
- Efficient transformer for reducing 5Vsb power loss when the system is at turn-off and sleep modes
- Five-year warranty





Specifications
| Model | RS-550-ACAA-E3 | 
| Type | Intel Form Factor ATX 12V V2.31 | 
| Dimension (W / H / D) | 150 x 140 x 86 mm 5.9 x 5.5 x 3.4 inch | 
| Input Voltage | 90-264Vac (Auto Range) | 
| Input Current | 7A@115Vac, 5@230Vac | 
| Input Frequency Range | 47-63Hz | 
| 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 | 550W | 
| Max. Output Capacity | 660W | 
| Operation Temperature | 0~40°C (Nominal Input Voltage) | 
| Regulatory | TUV / CE / UL / FCC / BSMI / GOST / C-tick / CCC / KCC | 
| Fan | 120mm | 
| Certifications | 80 PLUS | 
| Connector | 20+4 Pin MB x 1 4+4 Pin CPU 12V x 1 6+2 Pin PCI x 2 SATA x 6 4 Pin Peripherial x 3 4 Pin Floppy x 1 | 









