Output: +3.3V@15A, +5V@15A, +12V@38A, -12V@0.3A, +5VSB@2.5A Connectors: 1 x Main (20+4Pin), 1 x 4+4 Pin CPU, 3 x Peripheral, 6 x SATA, 2 x PCI-E 2.0 550W peak power 85.13% efficiency at 20% rated power, 88.20% efficiency at 50% rated power, 85.24% efficiency at 100% rated power The Power Factor (PF) is 0.993 @ 100% Tester is Scott Dimensions: (WxDxH) 150 x 140 x 86mm 120mm Fan, 18dBA. 1.99kg