Mini PCI-E Riser Board 1X to 16X Adapter PCIe Graphic Card Riser Card 16X Slots

Interface: pci-e 1x pci-e 16x USB 3.0. 1PC x Mini PCIE Adapter +USB 3.0 Cable. Interface: pci-e 1x pci-e 16x USB 3.0.

eBay