Features 1.SUPPORTED INTERFACES: Mini PCIE to PCIE Express X4 USB riser card supports full and half length Mini PCIE interfaces, supports PCIE 1X/4X cards. 2.USB 2.0 SUPPORT: The Adapter card supports PCI Express based and USB 2.0 based Mini PCIE slots, supports USB 2.0 480 Mb/s data rate, PCI Express Base 1.1 (up to 2.5Gpbs). 3.SUPPORT OS: Mini PCIE to PCIE express extension cord with USB riser card support for Windows 2000, for win7, for win8, for win10. 4.POWER SUPPLY: 3.3V for PCIe slot from Mini PCIE slot, 5V for USB from FDD 4pin, 12V for PCIe from FDD 4pin. 5.PLUG AND PLAY: Mini PCIE to PCIE Express 4X USB adapter without driver, magnetic pad design, easy installation, plug and play. specificationItem Type: Mini PCIE to PCIE Express 4X Extension Cord USB Riser Card Material: PCB Input Interface: Mini PCIE Conversion Interface: USB 2.0x1, PCIE Express 4Xx1 (compatible with 1X/4X) Power: 3.3V (from PCIE slot, from Mini PCIE slot), 5V (from USB, from FDD 4pin), 12V (from PCIE, from FDD 4pin) Compatibility: for Windows 2000, for win7, for win8, for win10 PackageList 1 x Adapter Card 1 x FPC Cable 1 x Power Cable 1 x Screwdriver 4 x Screws