Amazon.com: COMeap CPU 8 Pin Male to CPU 8 Pin (4+4 Detachable) Male EPS-12V Motherboard Power Adapter Cable for Corsair Modular Power Supply 25-inch(63cm) : Electronics
motherboard - 8 pin CPU power connector has different form on one end - Super User
COMeap 24 Pin to 8 Pin ATX PSU Power Adapter Cable Compatible with DELL Optiplex 3020 7020 9020 Precision T1700 12-inch(30cm) - Newegg.com
8-pin Extension Cable - ATX 12V/EPS Male to Female CPU/Motherboard PSU Power Supply Extension Lead - 16cm - GeeWiz