USB PCIe card has ASM3142 controller (PCIe 3.0 x2) w/2x USB-A ports Up to 10Gbps/port USB 3.1/3.2 Gen 2 expansion card New version of PEXUSB312A2 USB PCI Express adapter card supports Multiple INs for max bandwidth w/mixed-speed devices UASP optimizes performance w/ SSDs/HDDs/NVMe drives Supports USB 3.0/2.0 devices SATA power header provides up to 4.5W/port Add-on card w/ full or low-profile bracket incl. Win/Linux/macOS and auto drivers on Win 8 and up