Power Supply Model Name Wattage Dimension (mm) Efficiency WI-API-5551BP2 550W L150 * W140 * H86 80 PLUS Bronze WI-API-5651BP2 650W L150 * W140 * H86 80 PLUS Bronze WI-API-5751AP2 750W L150 * W140 * H86 80 PLUS Gold WI-API-5101AP2 1000W L185 * W150 * H86 80 PLUS Gold