Feature: 1. 6 Ports: The PCIE to USB expansion card to add 3 USB C, 2 USB A and 1 internal 19 pin connector to PC via PCIE x1 slot 2. 19 Pin: The 19pin can be connected to the USB A port on the front panel of the chassis. You can plug in tablets, keyboards, external hard drives, etc. to charge or transfer data 3. Fast USB 3.0: The expansion card features for Fresco Logic 1100 chipset, supports transfer speeds up to 5Gbps, transfers videos, photos, files, etc. between USB devices and computer 4. Wide Compatible: The expansion card is compatible with PCIE 3.0 PCIE 2.0 and PCIE 1.0 motherboards, the system supports for Win XP, for Win Vista, for Win 7, for Win 8, for Win 10, for OS X, for Linux 5. Pay Attention: For OS X, for Linux does not require any driver, for Win requires driver installation, you can find the driver on the CD we provide 6. Easy to Install: Power off the computer, then remove the cover from the computer case, find the corresponding PCI E card slot, and connect the SATA power cable 7. Simple Use and Protection: The add in card can be powered directly from the PCIE slot on the motherboard, which is easy to install and requires no external power supply. Each interface has overcurrent and short circuit intelligent protection Specification: Item Type: PCIE to USB Expansion Card Product Material: PCB Interface: 3 x USB3.0, 2 x USB C, 19Pin Interface Trial Slot: PCI E X1 X4 X8 X16 Transmission Rate: 5Gpbs Applicable System: System Supports for Win XP, for Win Vista, for Win 7, for Win 8, for Win 10, for OS X, for Linux (MacOS, Linux driver free, plug and play). Package List: 1 x PCIE to USB Expansion Card1 x Screw Note: Only supports 4U ordinary chassis, does not support 2U half height small chassis