Intel ? 82572GI Gigabit controller interrupt higher performance and reliability of regulation to improve performance while significantly reducing CPU utilization and PCI Express * x1 slot compatible Designed for the new PCI Express desktop bus architecture to achieve performance, while retaining compatibility with the PCI-compatible Ethernet and Fast Ethernet to reduce deployment and training costs and to quickly and easily migrate to Gigabit Ethernet 10/100/1000 Mbps Ethernet automatically configure themselves network, Fast Ethernet and Gigabit Ethernet-compatible network operating systems support the most widely deployed implementation of Category 5 unshielded twisted pair (UTP), 4 pair cable allows the use of the existing 4-pair cabling and saves re-wiring RoHS compliance requirements cost 2, lead-free technology meet the latest EU directive 1 (entered into force since July 2006) shall reduce the use of hazardous substances Advanced Configuration and Power Interface (ACPI) lower power consumption, allowing remote wake and remote Start Wake on LAN * (WoL), Preboot Execution Environment (PXE) remote management support to support industry-standard remote management, reducing support costs for Microsoft * Device Manager Intel ? PROSet utility can by simply clicking achieve a single adapters, advanced adapter features, connection and virtual local area network portfolio (VLAN) configuration Advanced cable diagnostics Dynamically tests and reports network problems (error rate, cable length), automatic compensation for cable issues (cross-cable, cable pin / pole errors) Intel supports Intel ? limited lifetime warranty available, 90 day money back guarantee (U.S. and Canada), global support