PCI E to USB3.0 Expansion Card 4 Ports 5Gbps High Speed Supply Free Transmission
VIA chip, 4 USB3.0 interfaces at the back, stable data transmission. Item Type:PCI E to USB 3.0 Expansion Card. 1PCS PCI E to USB 3.0 Expansion Card. Stable Data Transmission High Speed Current:Each Interface is Independent.