PCIE To USB Expansion Card 4 USB 3.0 Ports 5Gbps High Speed Self Powered USB3.0
Feature: 1. Expansion Interface: 4 x USB3.0. Item Type: PCIE to USB Expansion Card. 1 x PCIE to USB Expansion Card. Bus Interface: PCI E X1 (compatible with X4 X8 X16 graphics card interface).