Cat6 is the choice for future-proofing in-wall home networks, since there are plans in place to use Cat6 to replace HDMI as an A/V standard in the near future. Cat6 is also better at minimizing interference.

Category 6 cable, commonly referred to as Cat 6, is a standardized twisted pair cable for Gigabit Ethernet and other network physical layers that is backward compatible with the Category 5/5e and Category 3 cable standards.[1] Compared with Cat 5 and Cat 5e, Cat 6 features more stringent specifications for crosstalk and system noise wikipedia