XFX XTR Series 550W P1-550B-BEFX

• GENERAL+12V Rail Outputs : Single
• 100% Tested and Verified : Y
• Maximum Wattage (W) : 550
• Modular Cables : Y
• Performance Category : Enthusiast
• UPC Number : 778656065871

• TECHNOLOGIESCrossFire Ready : Y
• SLI Ready : Y

• RATINGS & EFFICIENCIESAC Input Current (Arms) : 8A-4A
• AC Input Frequency (Hz) : 50/60 Hz
• AC Input Voltage (Vac) : 100-240
• Efficiency @ Typical Load : Up to 90%
• Energy-Efficiency : 80 Plus Gold Certified

• OTHER FEATURESHigh Reliable 105°C Japanese Capacitors : Y
• Solid State Capacitors : Y
• Tight voltage regulation (±5%) : Y

• LOAD RANGEMax +12V Output Current (A) : 45
• Max +3.3V Output Current (A) : 20
• Max +5V Output Current (A) : 20
• Max +5VSB Output Current (A) : 2.5
• Min -12V Output Current (A) : 0.3
• Wattage(W) : 550W

• CABLE CONNECTORSFixed Motherboard Connector : 20+4-Pin
• Modular ATX12V / EPS12V : One 4+4-pin, One EPS 12V 8-pin
• Modular FDD : 1
• Modular Peripheral : Up to 6 Connectors
• Modular SATA : Up to 8 Connectors
• PCI-E 6+2-pin Power Cables : 2

• SAFETY & PROTECTIONActive Power Factor Correction (PFC) : Y
• Over Current Protection (OCP) : Y
• Over Power Protection (OPP) : Y
• Over Tempurature Protection (OTP) : Y
• Over Voltage Protection (OVP) : Y
• Short Circuit Protection (SCP) : Y
• Under Voltage Protection (UVP) : Y

• PHYSICALCooling Fan Size (mm) : YES; 135mm Fluid dynamic Fan (Black)
• Master Carton Dimensions (cm) : 43.0 x 29.5 34.0
• Master Carton Dimensions (inch) : 16.93 x 11.6 x 13.39
• Master Carton Weight (Kg) : 11.72 est.
• Master Carton Weight (lb) : 25.84 est.
• Package Dimensions (cm) : 31.9 x 21.0 x 16.3
• Package Dimensions (inch) : 12.55 x 8.26 x 6.42
• Package Weight (Kg) : 2.76 est.
• Package Weight (lb) : 6.08 est.
• PSU Dimension (cm) : 8.6 x 14.0 x 16.0
• PSU Dimension (inch) : 3.4 x 5.5 x 6.3
• Units per Carton : 4

- See more at: http://xfxforce.com/en-us/products/xtr-series-full-modular/xtr-series-550w-psu-p1-550b-befx#sthash.hCmBgsu5.dpuf