Category 6 is a cable standard for Gigabit Ethernet and other network protocols that is backward compatible with the Category 5/5e and Category 3 cable standards. Category 6 features more stringent specifications for crosstalk and system noise. The cable standard is suitable for 10BASE-T / 100BASE-TX and 1000BASE-T Gigabit Ethernet connections. It provides performance of up to 550 MHz. 100% pass patch cord testing. . RoHS compliant