The STARTECH PEXUSB314A2V2 is a 4-port USB 3.2 Gen 2 PCIe expansion card featuring two ASM3142 controllers. It provides four USB-A ports with data transfer speeds up to 10Gbps, supporting a total bandwidth of 20Gbps for multiple simultaneous connections. Optional SATA power support allows each port to deliver up to 4.5W.