Certified Cat8.1 Class I with 40G / 25G and 2000 MHz in accordance with ISO/IEC 11801 and EN 50173-1 Pure bare copper wire for maximum conductivity S/FTP with overall aluminum braid shielding and aluminum foil around each pair 50 micro-inch gold-plated contacts for corrosion-free connections Snag-free boots to smoothly and easily pull the cable without damaging the RJ45 connectors Future-proof high-end connection; ideal for ToR and MoR cabling installations in data centers Ideal for HDBaseT and PoE applications up to IEEE802.3bt / PoE++ / 4PPoE / Ultra PoE Heavy-duty strain relief Compatible and color-coded with T568A and T568B Standard 8P8C design, compatible with all network RJ45 connections Fully backward compatible with previous cable categories, including Category 6a, 6, 5e and 5 Lifetime warranty