Scheda adattatore 5 porte USB 3.2 PCIe X4 per PC desktop 20Gpbs Gen2 ASM3142 chip
Note:Win 10/8 MacOS 10.9 Linux does not need any driver,Windows 7 requires installing a driver and you can find the driver on the CD provided by us. Make sure PCs mother board have empty PCIE slot for PCIE USB cards.