Amazon.com: Cable Matters 2-Pack 8-Pin PCIe to Molex (2X) Power Cable 4 Inches : Electronics
Xtech 8 Pin to Dual Molex Power Cable - Super Technologies Limited
8-Pin PCIe to Dual 4 Pin Molex Power Cable, CableCreation 2-Pack Molex to PCIe Power Cable for NVIDIA, GeForce,Gigabyte, Sapphire Video Graphics Card etc. 4 Inch/10.16CM : Electronics - Amazon.com
Startech Dual Molex to 8 Pin PCI-E Adapter Cable - Power Cables & Adapters - Memory Express Inc.
Molex to 8 pin PCI-E Adapter missing pins | Tom's Hardware Forum