Correction, the first link was to a vendor who does in fact sell the obscure connector: https://www.moddiy.com/products/Special-Mini-Low-Profile-ATX-Power-GPU-

Correction, the first link was to a vendor who does in fact sell the obscure connector: https://www.moddiy.com/products/Special-Mini-Low-Profile-ATX-Power-GPU-PCIE-Connector-for-PCB-Board.html https://www.moddiy.com/products/Special-Mini-Low-Profile-ATX... I'm just elated I finally found out where to buy these damn things from.