HIGH-PERFORMANCE EXPANSION CARD: Increase the efficiency of your USB 3.0 devices with four dedicated USB 3.0 channels and up to 5 Gbps of bandwidth per channel with this 4 port USB 3.0 PCIe card. POWER & CHARGE: Use this USB 3.0 add on card to power high-powered USB devices as necessary, with the optional LP4 or SATA power connector. MULTI-USE USB CONNECTOR: Connect additional external hard drives, VR headsets, game controllers, digital equipment and more to your computer by connecting this USB adapter card through an internal PCI Express slot. USB 3.0 WITH UASP SUPPORT: This PCIe to USB adapter card lets you experience speeds up to 70% faster than traditional USB 3.0 when used with a UASP-supported enclosure. RELIABLE SUPPORT: Backed by a StarTech.com 2-year warranty, this 4 port USB 3.0 PCIe card has free lifetime technical support.