Quickly and easily add one ExpressCard/54 slot to PCI Express equipped desktop computers, allowing systems to use the latest ExpressCard adapter cards. This adapter works with ExpressCard devices including Wireless Wide Area Network modems (such as CDMA, EV-DO, GPRS, etc.), SATA controllers, FireWire (400 & 800) adapters, flash card adapters, TV tuners, security, legacy I/O (PS2, serial, parallel), optical disk drives, GPS receivers, and more...