Key features and benefits: Add the latest USB technology to your PC, plus experience hot-pluggable USB devices and expansion. USB 2.0 technology provides speeds up to 480Mbps, fully backward compatible with USB 1.x devices. Works with various types of USB devices including hubs, scanners, printers, video cameras, removable driver, digital cameras, ATA/CompactFlash/SmartMedia memory card readers and more. Hot-pluggable feature allows you to attach/detach USB devices without first turning your system off.