New 4 Slot USB 3.0 PCI-E Express 1x to 16x Riser Card Adapter PCIE Multiplier

Support 4 port high speed PCIe 16X card. 1-slot PCI-E 1X to 4 slot 16X riser card with high speed USB 3.0 cable. 4 x PCI-E 16X Adapter. 4 x PCI-E 1X Riser Board. 1 x 1 to 4 Convert Card. High speed USB 3.0 shield cable is flexible for 1U,2U,3U chassis.

eBay