10cm PCI Express PCIe 6 Pin to 8 Pin Graphics Card Power Adapter Cable [006486] 5055383464869 | eBay
SING F LTD 2PCS 4 Pin Molex Male to 6 Pin PCI-E Male Graphics Card Power Cord Adapter Express Cable Graphics Adapter Conversion Cable 18AWG 18cm - Yahoo Shopping
6 Pin Graphics Card PCIe Male Header Connector 90 Degree Angled Black - MODDIY
New GPU needed an 8 pin power connector I only had a 6 pin power connector so I made an "adapter" : r/techsupportmacgyver
Maximum Power Consumption of Graphics Card Connectors | Geeks3D
Dual Mini 6 Pin PCI-e Male to 8 Pin Graphics Card Power Cable Mac Pro 18AWG GPU | eBay