StarTech.com 2 Port ExpressCard Laptop USB 2.0 Adapter Card - USB adapter - ExpressCard - USB, Hi-Speed USB - 2 ports Easily add two USB 2.0 ports to your laptop computer Hot swap capabilities allow you to connect and disconnect devices without turning off your computer PC and Mac compatible Supports all available USB transfer rates: High-speed (480Mbps), Full-speed (12Mbps), and Low-speed (1.5Mbps) Compliant with Express Card (34mm) Type II Standard Easily add two USB 2.0 ports to your laptop computer Hot swap capabilities allow you to connect and disconnect devices without turning off your computer PC and Mac compatible Supports all available USB transfer rates: High-speed (480Mbps), Full-speed (12Mbps), and Low-speed (1.5Mbps) Compliant with Express Card (34mm) Type II Standard Backward compatible with USB version 1.1 Optional power adapter accommodates high current consumption devices