SIIG DP USB 3.0 7-Port PCIe i/e - Standard and Low-Profile Design - Get the scalability you need by adding 7 USB 3.0 ports with SATA power to your computer - PCIe USB 3.0 Adapter Card - UASP Support - 6 External & 1 Internal Ports - USB-A 5Gbps - x1 slot - Native OS Support in Windows 11/10/8 - Standard & Low-profile bracket - Backward compatible.