PC Power Supply - 500W, ATX, 80 PLUS White, efficiency of 80%, 2 piece(s) PCIe (8-pin / 6+2-pin), 6 × SATA, active PFC and power switch, 120mm fan, no modular, depth of 140mm No computer, workstation or server can work without a smartly chosen PSU. This humble little component is more important than you think. Aside from supplying power to the PC, it can make your PC components last longer and save you some power. The 500W EVGA 500 W2 ensures protected transfer of mains electricity to singular modules, which subsequently power the connected components. The ATX source with a 500 W power is suitable for moderately powerful PCs of the mid-range variety. The EVGA unit is equipped with a 120mm fan that lowers the temperature and improves its service life. You can turn off the power supply with a built-in switch. Every PSU has a label that tells you how effective it is at using the power from the mains. The 80 PLUS White tag indicates an efficiency of up to 80 %.