Go ahead and get your game on with this Echo Star ESTAR450 power supply!This highly efficient 450-watt 20+4-pin power supply is ideal for your ATX system, simply connect to your 20-pin or 24-pin ATX power connector. Keep the power flowing to your Serial ATA devices such as hard drives or optical drives with the two SATA connectors.This Echo Star ESTAR450 power supply is switchable between 115V and 230V, and with short circuit, over current and over power protection, you can be assured you won't fry your system! Other key features include a 4-pin 12V connector, small floppy connector and two large Molex connectors.