Industrial Grade PCI Express PCIe ExpressCard adapter/reader 2.5Gb/S : Supports 1394/FireWire/iLINK Gigabit Ethernet SATA II Serial Port TV Tuners USB Wireless LAN (802.11a/b/g, WiFi) WAN/Wireless Broadband Internet ExpressCards. Add an ExpressCard slot on your desktop for your laptop's ExpressCard: wireless 3G, Serial I/O, SATA, etc. Install in PCI Express Bus, Supports 34mm & 54mm Express Card PCI Express Transfer rate:2.5Gbit/sec (5Gbit/sec) USB Transfer rate:480Mbit/sec Better Mini USB 2.0 connector to USB Host connection.