Cooler Master MasterWatt 550 Semi-Fanless Modular 80 PLUS Bronze Certified Power Supply - Internal - 120 V AC, 230 V AC Input - 3.3 V DC @ 20 A, 5 V DC @ 20 A, 12 V DC @ 45.8 A, 12 V DC @ 300 mA, 5 V DC @ 3 A Output - 550 W - 1 +12V Rails - 1 Fan(s)

More conductive PCI-e cables. MasterWatt uses 16 AWG cables for PCI-e cables. Less resistance and better efficiency, providing you a safer user environment. Durable LDB bearing. Cooler Master 120 mm Silencio FP fan combines sealed LDB bearings with quiet fan blades offering a long lifetime of quiet cooling. Dual Forward and DC-to-DC circuit design. The Dual Forward and DC-to-DC circuit design offers reliability and stability. This is especially significant in +3.3 V and +5 V outputs.