Amazon.com: COMeap 8 Pin Male to Dual 2X 8 Pin (6+2) Male PCI Express Power Adapter Cable for EVGA Power Supply 25-inch+9-inch (63cm+23cm) (NOT Compatible with Seasonic Sentey and Corsair Power Supply) :
Amazon.com: Endlesss PCIe 8 Pin to 2 X 8 Pin (6+2) PCI Express Adapter Power Cable PCIE Y - Splitter Extension Cable 9 Inches (6 Pack) : Electronics
Cooler Master Store - Europe Store. PCI-E 8 pin to 2x(6+2) pin (Modular/Flat cable)(Model 1)