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 slot2. 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 data3. 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 computer4. 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 Linux5. 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 provide6. 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 cable7. 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 protectionSpecification:Item Type: PCIE to USB Expansion CardProduct Material: PCBInterface: 3 x USB3.0, 2 x USB C, 19Pin InterfaceTrial Slot: PCI E X1 X4 X8 X16Transmission Rate: 5GpbsApplicable 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 ScrewNote:Only supports 4U ordinary chassis, does not support 2U half height small chassis