PCI-E Expansion Card PCI-E Riser Board 4 Ports USB Adapter Card 1 to 4 Riser
This PCI-E 1 to 4 riser board provides 4 USB ports, so you can connect with 4 PCI-E riser boards. 4x power cable. The PCI-E riser card adapter is designed with a PCI-E 1X interface and is convenient to connect and be powered.