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Amazon.com: COMeap 24 Pin Female to Mini 24 Pin Male ATX Main Power Adapter Cable for DELL Optiplex 380 580 760 780 960 980 3.94-inch(10cm) : Electronics
PSU Help! Are there different types of 24-pin PSUs that are not compatible with ATX mobos? | TechPowerUp Forums
![power supply - What are all the multiple pins on PSU connectors for? How does a 24-pin MB connector work exactly? - Electrical Engineering Stack Exchange power supply - What are all the multiple pins on PSU connectors for? How does a 24-pin MB connector work exactly? - Electrical Engineering Stack Exchange](https://cdn.overclock.net/2/2b/500x1000px-LL-2bf838c0_st45sf-g-modular-pinout.png)