1. Practical: It allows to add a second power supply unit to the PC. The two power supplies will be equipped with a single motherboard and use the second power supply to power multi-channel graphics cards. 2. Convenience: With this simple adapter, you can add the power of 2 PSUs into one. A must be any Litecoin. 3. Precautions: Be sure to recognize the direction when inserting the cable, do not insert it backwards or insert it in a wrong position to prevent the devices from being burned. When inserting the cable, first hold the socket of the devices before inserting the cable, avoiding excessive force to insert the socket pin. 4. How to use: Plug the 24PIN of the main power supply into the female plug and plug the other end to the motherboard, and plug the secondary power supply into the other 24PIN female plug to switch the power at the same time. 5. : This product is made of high-quality materials, exquisite workmanship, very and long service life. This 24Pin dual power supply start line enables the two power supplies to be switched on and off at the same time, thereby increasing the power of the power supply. Product length: 30cm Wire model: 1007 18AWG Insulation material: PVC insulation Conductor specification: 34x0.12TS Conductor material: tinned copper Wire outer diameter: OD2.1mm Rated temperature: 80 Product weight: 70 grams Material:PVC colour:Black Package Contents: 1 x 24Pin Male to Female Power Supply Sync Cord Only the above package content, other products are not included. Note: Light 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.