Description This USB 2.0 PCIe extension adapter is made of premium material, which can withstand long-lasting use. Features the PCB material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. Features -Color: Black -Material: PCB -Size: 14.00X6.90X1.30cm/5.50X2.71X0.51in - Support 32 bit PCI bus, the bus 33MHz, PCI Standard 2.2 version. - Support PCI bus master channel, , no need for installing driver yourself. - USB2.0 interface: Compliant with Universal Serial Bus (USB) specification revision 2.0, with Enhanced Host Controller Interface specification revision 1.0. - Compliant with USB interface Universal Host Controller specification revision 1.1, backward compatible with USB specification 1.1. - It is manufactured with professional technology to ensure the high-quality of the product and can work for a long time. Support 32 bit PCI bus, the bus 33MHz, PCI Standard 2.2 version. Support PCI bus master channel, , no need for installing driver yourself. USB2.0 interface: Compliant with Universal Serial Bus (USB) specification revision 2.0, with Enhanced Host Controller Interface specification revision 1.0. Compliant with USB interface Universal Host Controller specification revision 1.1, backward compatible with USB specification 1.1. It is manufactured with professional technology to ensure the high-quality of the product and can work for a long time.