The Antec PP-380V is a 380 watt AT power supply. Please note that this power supply does not have P8 and P9 connectors. This power supply is commonly found in industrial applications such as laboratory equipment and chemical plant. The Antec PP-380V has four rails at voltages +5V, +3.3V, +12V1, and +12V2 that are rated at 20A, 20A, 17A, and 17A, repectively.