The Triplett CAT6A-25BK is a 25ft. Black, Professional Grade, Certified 10G, High Performance CAT6A SSTP LSZH feature Low-Smoke, Zero Halogen (LSOH/LSZH) for use in Data Centers and other Enterprise-class facilities. Each finished cable is tested and certified prior to shipping, including testing for Near-end Crosstalk (NEXT) and Return Loss (RLQ) to guarantee each cable meets or exceeds the TIA/EIA 568-C.2 standards. Also available in black or white colors and lengths of 1', 3', 5', 10', 25', 50', 75' and 100'. High quality patch cables.