Vantec 3-Port USB 3.0 Type A/C PCIe Host Card (VANTEC UGT-PC331AC)- Power Connector: SATA power connector, Device Support: USB 3.0 (backward compatible with USB 2.0/1.1), Connectivity: 3, 2 x USB 3.0 Type A and 1 x USB 3.0 Type C port, PCI-Express x 1 or x 4 or x 8 or x 16 slots, Microsoft Windows 7, 8, 8.1, 10, System with 4GB RAM or more, Optical Drive for Driver installation or www.vantecusa.com to download,USB 3.0 devices preferred to get maximum speed