Features: 24pin dual power supply synchronous line: make two power supplies switch on and off at the same for time, so as to increase the power supply. The old motherboard can also be used. Allow to add a second power supply unit to PC. High quality for raw materials, durable. Connect 2 Power Supply Units together to provide more power to your computer components without having to upgrade your existing Power supply unit. 24P synchronous dual startup cable Specifications: Product Name: 24P synchronous dual startup cable Cable length: 30cm/11.81in Product weight: 110g Wire model: 18AWG Conductor material: tinned copper Product interface: 24P male for shell and 24P female for shell Function of the product: combine two PC power supplies with a computer host, which can combine the idle redundant power supplies to increase the power supply. Note: Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 Piece Power Supply Extension Cable.