PCI‑E 3.0 x4 USB 3.1 Type‑A 4‑Port Expansion Card (ASM3142) — Self‑Powered 10Gbps per Port, 40Gbps Aggregate

Add four USB 3.1 Type‑A ports to your desktop with this PCIe expansion card powered by the ASM3142 controller. Designed for a PCI‑E 3.0 X4 slot, the self‑powered adapter delivers 10Gbps performance per port and a combined throughput of 40Gbps. Ideal for high‑speed data transfers, this compact card provides reliable USB 3.1 connectivity without sacrificing bandwidth.