Amazon.com: Atneway, 4 Pin Molex to 6 Pin PCI Express PCIE Adapter Power Cables, 4 Pin Male to 6 Pin PCI Express PCIE Female Graphics Card Power Adapter Cable (1Pack18cm) : Electronics
6 inch 2 x Molex 4 pin to 8-Pin PCI Express Video Card Pci-e ATX PSU Power Converter Cable - Molex to Pcie 8 pin (6+2) Adapter - Newegg.com
Office Depot
Amazon.com: StarTech.com 6in LP4 to 6 Pin PCI Express Video Card Power Cable Adapter - Power adapter - 4 pin internal power (M) to 6 pin PCIe power (M) - 6 in - LP4PCIEXADAP : Electronics
6 Pin PCIe to 4 Pin ATX 12 Volt Motherboard Power Cable - Parallel Miner
HP Z600 Z800 PSU 6 Pin to 4 Pin Fan Power Adapter Cable 16cm - modDIY.com