StarTech.com 6in SATA Power to 6 Pin PCI Express Video Card Power Cable Adapter - Convert two 15-pin SATA power supply connectors to a 6-pin PCI Express video card power connector -
Pci-e 8 Pin Male To Dual 8 Pin (6+2) Male Pci Express Power Adapter Cable For Evga Modular Power Supply Cable 60cm+20cm - Pc Hardware Cables & Adapters - AliExpress
PCIe x4 Gen2 Host Cable Adapter - One Stop Systems
Amazon.com: TeamProfitcom PCI-e 8 Pin Male to Dual 8 Pin (6+2) Male PCI Express Power Adapter Cable for EVGA Modular Power Supply Cable for Graphics Video Card 8 pin Splitter 25+10 inches : Electronics
Startech PCIe 6 pin to 8 pin Power Adapter Cable | PLE Computers
6 Pin to 8 Pin PCI Express PCI-E Video Card Power Adapter Converter Cable 6-8p | eBay
TT Premium PCI-E 4.0 Extender 300mm with 90 degree adapter