StarTech.com 2-Port USB 3.2 Gen 2x1 (10Gbps) PCIe Card - USB-C SuperSpeed PCI Express 3.0 x4 Host Controller Card - USB Type-C PCIe Add-On Adapter Card - USB C Expansion Card (PEXUSB312C3) HIGH PERFORMANCE: Add 2x USB-C SuperSpeed 10Gbps port to your desktop PC with this USB 3.2 Gen 2x1 PCIe Card; Expansion card provides up to 5V 3A (15W) via the USB-C ports; Does not support DP-Alt mode for video over USB-C or USB Power Delivery USB 3.2 GEN 2X1 SPEEDS: PCI Express card features the ASMedia ASM3142 host controller using x4 lanes of PCIe 3.0; Capable of speeds up to 10Gbps enabling fast access to high-performance devices like NVMe drives and SSDs MAXIMIZED USB PERFORMANCE: 2-port USB-C PCIe Card adapter supports USB Attached SCSI Protocol (UASP) optimizing USB performance; Installs in full/low-profile PCIe 3.0 x4 desktop / server slot (lower performance with PCI-e 2.0) COMPATIBILITY: Add-on card installs in full or low-profile (bracket included) PCIe 3.0 x4 slot (Backward compatible with PCIe 2.0); Windows/Linux/macOS with auto-install drivers Win 8 and up; Works with USB 3.2 Gen 2/3.0/2.0 devices