Though we’ve never used their cables ... the Ethernet cable specification is policed via the honor system, allowing manufacturers to be fairly brazen about what they label as Cat 6.

Although swapping a Cat-5e patch cable with a Cat-7 ... The bandwidth for twisted pair Ethernet wiring is in the MHz range, with Cat-5(e) hitting 100 MHz, Cat-6 250 MHz and Cat-6A 500 MHz.