Features: 1.5Gbps Transmission: The transmission speed of MINI PCI E to USB3.0 expansion card is as high as 5Gbps, which is 10 times that of USB2.0. And backward compatible with USB2.0, USB1.1USB1.0 2.High Speed USB3.0 Transmission: With the popularity of USB3.0, more and more chassis provide 19/20Pin USB3.O interface, high speed transmission. 3.Excellent Quality Chip: MINI PCIe expansion card adopts high quality main control chip, supports for LINUX system, uniform layout, eliminates interference to great extent, and improves stability. 4.Multi Interface: MINI USB3.0 expansion card adopts 15Pin SATA power supply interface, and the motherboard has MINI PCI E interface, which can expand two 19/20Pin USB3.0 pin headers. 5.Easy to Use: MINI PCI E to USB3.0 expansion card supports both full height and half height, and it can be used after installation without complicated procedures. specification:Item Type: MINI PCI E to USB3.0 Expansion Card Material: PCB Applicable Interface: MINI PCI E Interface Product Interface:2 x 19/20 Pin USB3.0 Front Pin Header Port,1 x 15 Pinsata Power Port Support System: Support for Windows XP/2003/Vista/win7win8/win10/for Linux, Etc. PackageList:1 x MINI PCI E to USB3.0 Expansion Card 1 xScrew Pack NoteThis product is a desktop PCI E expansion card, which requires a free Mini PCI E slot on the motherboard to use it.