Features: For Optiplex 3020 7020 9020 8-pin power cable ATX 24-pin to 8-pin cables; One needle base is connected to the ordinary ATX power supply 24P, and the other is connected to the entire system; Column H61/H81/Q77/Q87/B75/A75/Q75/Q65, etc; The motherboard's 8P pin mount is used, 18AWG positive standard wire, 0.18x34 copper cores, and 1000W high-power power supply is supported. Supported models: for Optiplex 3020 7020 9020 T1700; For the above models, the motherboard is powered by a 4-pin power supply in addition to the 8-pin power supply, which is the standard 4-pin CPU design. If your power supply does not have a CPU 4-pin or only an 8-pin CPU power supply, you need to purchase another CPU 8-pin to CPU 4-pin. This adapter cable requires the definition of power supply 24P, which must be ATX standard, and it must be determined before shooting whether the chassis can be installed in the standard size for large power supply; Specifications: Material: Copper Length: About 30 cm/11.81 inches Connection specification: 1x24-pin port and 1x8-pin port Max power: 1000W Note: Please allow 1-2cm error due to manual measurement, please 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. Package includes: 1x Power Cable