Output: +3.3V@18A, +5V@16A, +12V@42A, -12V@0.3A, +5VSB@2.5A Connectors: 1x Main (20+4Pin), 1x 8pin CPU, 1x 4+4 Pin CPU, 3x Peripheral, 6x SATA, 2x PCI-E 2.0, 1x 4pin floppy, 550W peak power All-black flat cables design 85.35% efficiency at 20% rated power, 88.38% efficiency at 50% rated power, 85.13% 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, 1.49kg