The HERCULES series has improved on power Upgrading its overall power to 400Watts this Micro PS3 PSU can be used with many Dell HP IBM Compaq and Gateway PCs for either power supply replacement or new system assembly Supporting up to ATX V22 motherboards and below and with smart silent technology the Hercules 400W truly has surpassed its predecessorsMicro PS3 power supplies are known mostly as a replacement power supply but it has now evolved and can be used for microATX cases practice built computers miniservers and more With the increase of wattage and efficiency the micro PS3 is a conventional PSU that can be used for multiple purposes Features. Athena Hercules 400W Power Supply