GS550PRO 550W True Rated PSU Specifications: *Input: 200-240VAC / 5A , 50-60Hz *Efficiency: 80%, 80Plus 230EU Standard *Fan Bearing Technology: Hydro Bearing *Fan Size: 120 mm *PFC: Active PFC (0.95) *Power Good Signal: 100-500ms *Hold Up Time: 16ms *Protection Functions: OPP/OVP/UVP/SCP/OTP/SPD *Operation Temperature: 0~50Ā¬ā Connector: Main Board 20+4 Pin: 1 * 520 mm CPU Power 4+4 Pin: 1 * 520 mm VGA Power 6+2 Pin: 1 * 500 mm Sata HDD Socket: 4 * 400 mm Sata Big 4 Pin: 2 * 400mm #80 Plus Bronze #80+ Bronze #Brandnew #Brand new