SIIG Hi-Speed USB 5-Port PCI: * Adds 5 high-speed (480Mbps) USB 2.0 ports into your system--with full backward support for USB 1.1 devices * Supports simultaneous operation of multiple high-speed USB 2.0 and USB 1.1 devices * Compliant with USB 2.0 specification * RoHS-compliant * Provides 4 ext. and 1 int. high-speed (480Mbps) ports for USB device connections * Supports high-speed (480Mbps), full-speed (12 Mbps) and low-speed (1.5 Mbps) data transfer modes * Hot-swapping feature allows you to attach/detach USB devices without first powering your computer off * Works with a variety of USB 2.0/1.1 devices including hubs, data storage devices, PC video cameras, digital cameras, CD-R/RWs, DVD-RAMs, scanners, printers, CF/SM/SD/MMC/Memory Stick memory card readers, and more