Antrons 24-Pin ATX/EPS PSU Jump Starter Bridge 24 Pin ATX Jump Start Power Supply Bridging Connector Plug Run, and Power Up Any ATX/EPS Power Supply, By its self. NO MotherBoard Needed to power up your PSU Great for Bitcoin Mining! Can accept 24Pin aswell as 20Pin ATX Power Supplys Use Your PSU for things other then your PC, Such as BTC Miners.(Antminer , Block Erupter , Avalon ,Etc.!)