20/24 pin connectors is compatible with ATX/EPS power jumper. Automatically run and start up any ATX/EPS power supply and the PSU can be started by simply inserting the PSU ATX connector head. This item can diagnosing computer systems as well as custom builds especially water cooling builds. Suitable for assembling/testing PC water cooling systems BTC mines test lights fans hard drives or power supplies itself etc. Package incluede 1pcs 24 Pin ATX PSU Bridge Tool.