Thumb Score: 0
Enjoy,
They are $ 2 each.
Micro Connectors PCIe 4-Pin 16x to 1x Powered Riser Adapter Card (Red) [frys.com]
Micro Connectors PCIe 4-Pin 16x to 1x Powered Riser Adapter Card (Black) [frys.com]
Micro Connectors PCIe 6-Pin 16x to 1x Powered Riser Adapter Card (Black) [frys.com]
Micro Connectors PCIe 4/6/15-Pin 16x to 1x Powered Riser Adapter Card (White) [frys.com]