How big is a cat 8 ethernet cable?

UGREEN CAT 8 Ethernet Cable High-Speed 40Gbps 2000MHz

YixHG CAT 8 Ethernet Cable 100 ft, Internet Network Cord, 40Gbps 2000Mhz LAN Wires, High Speed SSTP LAN Cables with Gold Plated RJ45 Connector for Router, Modem, Gaming, Xbox (100 ft) : Electronics

Cat 8 Outdoor Ethernet Cable 100 ft - Hisetec Long Ethernet Cable Shielded Heavy Duty 26AWG 40Gbps 2000Mhz SFTP Patch Cord High Speed Cat8 LAN Network

Cat 8 Ethernet Cable,Flat Internet Cable for Gaming,High Speed Network Cord with Clips RJ45 Snagless Connector Computer LAN Wire for PS4, Xbox, Modem

With operating frequency of 2 GHz (2000 MHz), the Nippon Labs Cat8 cables are capable of reaching up to 40Gbps transfer rate using copper conductors and RJ45 connectors. They are ideal for data centers, small or medium Enterprise LANs and high speed home applications. Individual wire pairs and the overcall cable are shielded for minimized interference and best possible transmission quality.

Nippon Labs Cat8 RJ45 10ft Ethernet Patch Internet Network LAN Cable

Any idea if CAT 8 cables are legit? : r/HomeNetworking

6 Inch Cat 8 Shielded Stock Ethernet Cable - 40G Transfer Speeds

Cat 8 Ethernet RJ45 LAN Cable Super Speed 40Gbps Patch Network Gold Plated (3ft), 1 - Foods Co.

Cat5e Cat6 Cat7 and Cat8 Cabling - (Understanding the Differences )