6pcs USB 3.0 Pcie PCI-E Express 1x To 16x Extender Riser Card Adapter BTC Cable

Compatible with 1x, 4x, 8x, 16x PCI-E slot of the motherboard. Compatible with 1x, 4x, 8x, 16x PCI-E slot of the motherboard. 6 x PCI-E 16X Aadapter. 6 x PCI-E 1X Riser Board. Using 60cm USB 3.0 cable as extender cable ,premium quality and super speed.

eBay