How big is a cat 8 ethernet cable?

GearIT Cat8 Outdoor Ethernet Cable (40 Feet) Waterproof, Direct Burial, In-Ground, LLDPE UV Jacket, Pure Copper, 26AWG, 40Gbps 2000MHz SFTP Patch

FIBBR Cat 8 Ethernet Cable, 40Gbps 2000Mhz High Speed Gigabit LAN Netw – FibbrCable

[LINKUP] Cat8 Ethernet Patch Cable S/FTP 22AWG Screened Solid Cable | 2000Mhz (2Ghz) up to 40Gbps | Future 5th-Gen Ethernet LAN Network 40G Structure

Cat8 Ethernet Patch Cable S/FTP 22AWG Double Shielded | 40Gbps | 3 M - Black

DanYee Cat 8 Lan Cable support bandwidth up to 2000MHz & transmitting data at speeds of up to 40Gbps ,connect to LAN/WAN segments and networking gear

Cat 8 Ethernet Cable, DanYee Nylon Braided 3ft CAT8 High Speed Professional Gold Plated Plug STP Wires CAT 8 RJ45 Ethernet Cable 3ft 10ft 16ft 26ft

CAT 7 SSTP SHIEDLDED ETHERNET CABLE standard provides performance of up to 600 MHz and could be used for 10BASE-T, 100BASE-TX (Fast Ethernet),

CAT 8 Cat 7 Ethernet Cable SSTP Shielded Network Cable Category 8 RJ45 26AWG Lot

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

Should I buy a Cat 8 Ethernet cable?

Cat7 & Cat8 RJ45 S/FTP Ethernet Cable

CAT 7 SSTP SHIEDLDED ETHERNET CABLE standard provides performance of up to 600 MHz and could be used for 10BASE-T, 100BASE-TX (Fast Ethernet),

CAT 8 Cat 7 Ethernet Cable SSTP Shielded Network Cable Category 8 RJ45 26AWG Lot

Kolorapus High Quality Cat 8 Ethernet Cable Cat8 SSTP SFTP Patch Cable Cord Cat 8 RJ45 Network Cable - China Cat8 Cable, Cat8 Patch Cord

Vention Cat.8 SFTP Patch Cable 3m Black - Ethernet Cable