Power up your system using the efficient Ultra U12-41564 X4 Modular 1050-Watt ATX Power Supply. Using the connectors in a modular cabling, this PSU can deliver 1050W of energy to components such as the PC's motherboard, video cards and hard drives. This ATX PSU is equipped with a 135mm cooling fan to circulate air within the PSU, and is energy-efficient with an 80 PLUS Silver certification. In addition, it supports multiple GPU setups for NVIDIA SLI or ATI CrossFire. Experience lasting operation with the Ultra U12-41564 X4 Modular 1050-Watt ATX Power Supply.