Due to the high-power power supply is expensive, with this PSU adapter you can make two small power supply switch at the same time, thus increasing the power supply.Through this adapter you can make two power supply Switch machineat the same time,Assigningthe graphics card power to 2 small power supply instead of thehigh-power power supply.This cable can be used with both 24 pin and 20 pin ATX motherboards.Connection: The main power supplys 24PIN Male andthesecondarypower supplys 24PIN Maleis seperately connected with the PSUs 24Pin Female. And the PSUs 24PIN Male is connected with Motherboards 24Pin female.Allows you to turn on/off two power supplies simultaneously.Specifications:1 x Male end (Motherboard side): 24pin2 x Female ends (PSU side): 24pinCable length: about 30cmcolour: blackMaterial: PVC+copper wiresPackage Contents:10 x PSU CableOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.