Description: Compatible with PCI Express rev 1.1 specification. Conform with CSMA / CD protocol Support for Windows XP / Vista / 7 32/64 bit, 32/64-bit 2003 server, Linux Data Transfer Rate: 10/100/1000 Mbps External Ports: 1x RJ-45 Ethernet Port Host interface: PCI Express (PCI-E) Specification: Material: PCB Size: 115*76*16mm Package Includes: 1x screws 1x iron sheet 1x network card