CPU 8Pin to 8Pin (4+4Pin) Power Supply Cable ATX 12V P4 to P8 For Seasonic X Series X-1050XM2,X-1250XM2, X-650 KM3, X-750 KM3, X-850 KM3 Mining Power Cable - Newegg.com
8 inch Computer Power Supply PSU to Motherboard ATX 12V P4 4-Pins CPU Auxiliary Internal Power Extension Cable Cord Male -Female - Walmart.com
StarTech.com ATXP4EXT 8 in. 8in ATX12V 4 Pin P4 CPU Power Extension Cable Female to Male - Walmart.com