Vantec 2 Port USB 3.1 Gen 2 Type A/C PCIE x 4 Adaptor (1 x Type A 1 x Type C) (VANTEC UGT-PC371AC) - Ports: 2 x USB 3.1 Type A and C ports, Bus Technology: PCI-Express x2 lanes (will not fit x1 slot), System Requirements: PCI-Express x4, x8 or x16 slots, Microsoft Windows 7, 8, 8.1, 10, Server 2012R2 64bit and Linux Ubuntu 12.10 Kernel 3.13.0 or later, System with 4GB RAM or more, USB 3.1 devices preferred to get maximum speed