FOR 1PC PCIe x4 Dual-Port USB3.1 Expansion Card PCI-E to USB3.1 Gen2 10GB Power-free 3142

Add two USB3.1 ports to a desktop with this PCI-E adapter card. Sits in a PCIe x4 slot and provides dual USB3.1 connections using USB 3.1 Gen2 technology. Rated for 10GB transfer speed and requires no external power (power-free). Model: 3142.