Description: -This adapter allows you to turn on/off two power supplies simultaneously -Enables the connection of two power supply units to a single motherboard. -Perfect for Bitcoin Mining Builds and Dual PSU gaming. -Connect 2 Power Supply Units together to provide more power to your computer components without having to upgrade your existing Power supply unit. -24PIN(20+4)Male end / 24PIN Feamale end x 2 Specification: Weight:72g Cable length: Approx. 30cm/11.81'' Material: Copper core Package Includes: 1 x PSU Cable Note: Please make sure you are clear about the direction of the cable or the divice to avoid equipment burning. Besides, you could hold the adapter when you are pluging the line with suitable stress