Gigabyte GP-P550B 550W ATX PSU Power Supply 80+ Bronze >85% 1x8pin Non-modular 120mm Fan Black Cables Single +12V Rail >100K Hrs MTBF 80 Plus Bronze certified ensures to deliver 85% efficiency at 50% load. The better power efficiency leads to less power waste, less heat and less fan noise. 80 PLUS Bronze certified 120mm Silent Hydraulic Bearing (HYB) Fan Reliable flat cable Single +12V rail OVP/OPP/SCP/UVP/OCP/OTP protection 3 years warranty (Adjusted according to different regions) Model P550B Type Intel Form Factor ATX 12V v2.31 PFC Active PFC(>0.9 typical) Input Voltage 1‎00-240 Vac(full range) Input Current 8‎-4 A Input Frequency 6‎0-50 Hz Output Capacity 5‎50W Dimension 1‎50 x 140 x 86 mm Fan Type 1‎20mm Hydraulic Bearing (HYB) Fan 80 PLUS Bronze Efficiency 8‎5% at typical load MTBF >100,000 hours Protection OVP/OPP/SCP/UVP/OCP/OTP Power Good Signal 1‎00-500ms Hold Up Time >16ms Cable Type Flat, All black Connectors ATX/MB 20+4 Pin x 1 : 550mm*1 CPU/EPS 4+4 Pin x 1 : 600mm*1 PCI-e 6+2 Pin x 2 : 550mm+150mm*1 SATA x 6 : 500mm+120mm+120mm*2 4 Pin Peripheral x 3 + 4-Pin floppy x 1 : 500mm+120mm+120mm+120mm*1