Gigabyte P550B Power Supply Model: P550B, Type: Intel Form Factor ATX 12V v2.31,

PFC: Active PFC(>0.9 typical), Output Capacity: 5‎50W

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

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

Gigabyte P550B 550W 80 Plus Bronze Certified Power Supply

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. P550B provides the best solution for the system builds. The flat cable reduces the clutter and improves the airflow in the case. 120mm Silent Hydraulic Bearing fan optimizes the noise reduction and the thermal performance. The fan speed is adjusted according to the automatic power detection. The Hydraulic Bearing fan provides longer and more stable life time. Single +12V rail provides the best power output, stability and compatibility for the hardware. It provides the easiest way to install the power cable. And it is the best design for overclocking.  It has a 03-year warranty.