VANTEC 3-Port USB 3.0 Type A/C PCIe Host Card Model UGT-PC331AC Type: PCI Express to USB Card External USB Ports: 3x USB Ports External Ports: 3, Two USB 3.0 Type A and one USB 3.0 Type C port Internal Ports: PCIe x1 Operating Systems Supported: PCI-Express x1 or x4 or x8 or x16 slots Microsoft Windows 7, 8, 8.1, 10, Server 2003/2008/2012, Linux OS 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 Specifications: Device Support: USB 3.0 (backward compatible with USB 2.0/1.1) Ports: 3, Two USB 3.0 Type A and one USB 3.0 Type C port Bus Technology: PCIe x1 Power connector: SATA power connector Dimension: 120 x 87 x 19mm Package Contents: 3-Port USB 3.0 Type A/C PCIe Host Card Quick Installation Guide Low Profile bracket Driver CD