1、7 Ports: Use PCI E to USB expansion card to upgrade your computer to 7 ports USB3.0 (2 x Type C+5 x Type A) with one click to connect multiple devices at the same time. 2、Fast Efficient: The USB 3.0 expansion card uses the Fresco Logic 1100 Chipset, which supports transfer speeds up to 5Gbps, to transfer videos, photos, files, etc. between USB devices and computers for greater efficiency. 3、System Support: Hard disk expansion card operating system supports for Windows XP,for Vista,for 7,for 8,for 10,for OS X,for Linux, etc. 4、Wide Compatibility: PCI E to USB expansion card has wide compatibility, compatible with PCIE 3.0 PCIE 2.0 and PCIE 1.0 motherboards. 5、Easy to Install: Power off the computer, then remove the cover from the computer case, find the corresponding PCI E card slot, insert the card into the empty PCI Express slot, and tighten the screws. Item Type:PCI E to USB Expansion Card Product Material: PCB Main Control Chip:For Fresco Logic 1100 Chipset Number of Interfaces:2 x Type C,5 x USB3.0 (the First Three and the Back Two) Applicable Slot: PCI E X1 X4 X8 X16 Transmission Rate: 5gbps System Support:For Windows Xp,for Vista,for 7,for 8,for 10,for OS X,for Linux, Etc. 1 x PCI E to USB Expansion Card 1 x Screw