The EVGA 850 B3 80 Plus Bronze Fully-Modular Power Supply delivers up to 850W of power to the desktop's components and provides six PCIe 8-pin and nine SATA connectors to enable a system build with multiple graphics cards and storage/optical drives. The connectors come on fully-modular cables, which help improve airflow within the case by reducing the number of unused cables. With 80-Plus Bronze certification, the power supply uses energy efficiently to help lower energy bills. To quietly cool the power supply, a 130mm fan and ECO mode are available. Aside from cooling, this ATX power supply features a length of 6.3" to help provide extra room within a computer case.