Feature: 1. Fast Transmission Speed: PCI E to Type C expansion card transmission speed up to 5Gbps, stable and fast transmission. 2. Independent Intelligent Insurance: Each interface of PCI E expansion card is equipped with independent intelligent insurance to guard every door for your property and data. 3. Voltage Stabilizing Capacitor: Each interface is equipped with an independent voltage stabilizing capacitor, which can ensure the stable power supply of each interface, and the capacitor is of SMD type, which is resistant to high temperature. 4. Device Protection: 2 ports expansion card can instantly cut off the power supply when the external USB device is short circuited and the current is too large to preserve the peripherals and the computer from damage. 5. Compatible System: PCI E to Type C expansion card has a wide range of compatibility, compatible system: for Xp,for Win7,for Win8,for Win8.1,for Win10. Specification: Item Type: PCI E to Type C Expansion Card Material: PCB Transmission Speed: 5gbps Interface:2 x Type C Slots For: PCI E X1,X4,X8,X16 Compatible System:For Xp,for Win7,for Win8,for Win8.1,for Win10.. Package List: 1 x PCI E to Type C Expansion Card1 x Short Bezel 1 x CD Drive2 x Screw