Check the listing for details. 2 Port USB3.0 Express Card ExpressCard 34mm Adapter Expansion Card For Laptop PC. Condition: New. Listed at 13.50 USD. 2 Port USB3.0 Express Card ExpressCard 34mm Adapter Expansion Card For Laptop PCProduct Description 100% Brand New Plug and play Super-Speed, transfer rate up to 5Gbps ExpressCard 34mm Compliant with PCI Express Base Specification USB 3.0 specification, compatible with USB 2.0 and USB 1.1 Super-Speed (USB 3.0) 5Gbps High-Speed (USB 2.0) 480Mbps Full-speed (USB 1.1) 12Mbps Support Windows XP, 2000, Vista and Windows 7, etc. Not Supported OS: MacOS, Linux openSUSE, Chrome OS Providing speeds up to 10x faster than that of USB 2.0, this PCI Express USB 3.0card enables you to access your data and transfer files much faster than USB 2.0, by adding 2 additional USB 3.0 ports to your advice. Transfer rate: Super-Speed (USB 3.0) 5Gbps; High-Speed (USB 2.0) 480Mbps; Full-speed (USB 1.1) 12Mbps; Featuring a native NEC PCI Express host controller chipset, the new USB 3.0 standard supports transfer rates of up to 5Gbps, while still providing connectivity and support for the older USB 2.0 (480Mbps) and 1.1 (12Mbps) devices. In addition to providing a much faster transfer rate the PCE102 USB 3.0 card also supplies. Item Features Form Color: Silver Model: LT402 Material: Aluminum alloy Compatible Model For Dell For HP For Toshiba For Acer For Lenovo For Samsung For MSI For Sony For IBM For Asus For Thinkpad (NOTE) Not Supported OS : MacOS, Linux openSUSE, Chrome OS Package Includes 1 x Express Card to USB 3.0 Adapter Card 1 x CD Kindly Note: If you need a huge quantity, contact us to get more competitive offer. Shipping and Payment: Payment : Paypal Shipped within 2 business days once payment done. 10~27 days to reach you. Refund and Guarantee: 30 Days Money Back Guarantee 180 Days - Free Exchange Please contact us with any questions or concerns,we will solve it until you satisfy.