You can add two high-speed USB 2.0 ports into your PC or Mac system with the SIIG Hi-Speed USB Dual-Port PCI. It works with data storage devices, PC video cameras, digital cameras, CD-R/RWs, DVD-ROMs, scanners and printers. This USB 2.0 PCI adapter is also backwards compatible with USB 1.1 devices. You can operate USB 1.1 devices and multiple high-speed USB 2.0 with this USB 2.0 PCI adapter. It is hot swappable so you can use the devices without turning off the system. The SIIG PCI adapter package contains a Hi-Speed USB Dual-Port PCI along with a user manual.
SIIG Hi-Speed USB Dual-Port PCI:Adds 2 high-speed (480Mbps) USB 2.0 ports into your system-with full backward support for USB 1.1 devicesSupports simultaneous operation of multiple high-speed USB 2.0 and USB 1.1 devicesRegulatory approval(s): FCC Class B (DoC) & CE (1998)RoHS compliantChip: NECPort type: 2 external high-speed USB 2.0 portsCompliant with USB specification revision 2.0PCI v2.2 compliant and works in 3.3V or 5V PCI slotsProvides 2 external high-speed (480Mbps) ports for USB device connectionsSupports high-speed (480Mbps), full-speed (12 Mbps) and low-speed (1.5 Mbps) data transfer modesHot-swapping feature allows you to attach/detach USB devices without first powering your computer offWorks with a variety of USB 2.0/1.1 devices including hubs, data storage devices, PC video cameras, digital cameras, CD-R/RWs, DVD-ROMs, scanners, printers, CF/SM/SD/MMC/Memory