This Corsair CP-9020178 RM650x High Performance Power Supply is designed to meet the needs of 3Com devices. It has a voltage compatibility of 12 V and 10000 VA, and a maximum input current of 10 A. The power supply is fully modular and has a maximum power of 650 W, with a maximum wattage of 180 W. It also has a surge energy capacity of 125 J and an audible alarm feature. This power supply is compatible with a variety of connectors, including 4+4 CPU, 20 Pin, 4 Pin Peripheral, 6+2 Pin PCI Express, 24 Pin, SATA I, 20+4 Pin, and 6+6 Pin. Its form factor is ATX and it has a single outlet. The Corsair brand is known for its high-quality computer components, and this power supply is no exception.