Features: 100% brand new and high quality Dual power supply sync startingcable can startup or shutdown two low power supply synchronously to increase power supply. This card will increase your power supply and saving cost. It can dispute the vedio card to two power supply to replace high power supply. Anticorrosive frosted coating get data transmission more stable and safer. Small and lightweight, easy to assemble and disassemble. Package Includes: 1 x 24Pin To 4Pin Duan Psu Power Card Specifications: Item:Dual Power Supply Synchronous Starting Adapter Product Interface:ATX24Pin Material:PceA Size: approx 67x30mm/2.63x1.18in Color:Black note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.