Recommended for connecting computers, network adapters, routers, servers, modems, hubs and switches in high-density data centers Designed for 10/100/1000 Base-T, 100 Mbps TPDDI, 155 Mbps ATM, ISDN, voice, Token Ring Type 3 and EIA/TIA applications Provides high-speed connections up to 550 MHz/1 Gbps Flawless signal delivery with minimal near-end crosstalk levels Lifetime limited warranty