Amazon.com: Belkin Thunderbolt 3 Cable (USB-C to USB-C) - USB C Cable For MacBook Air, Galaxy, Apple TV & More, Fast Charging Up To 100W, Made For USB-C, Thunderbolt 3 devices &
Cable Matters USB C to DisplayPort 1.4 Cable 6 ft, Support 8K 60Hz / 4K 144Hz (USB-C to DisplayPort, USB C to DP Cable) in Black - Thunderbolt 4 /USB4 /Thunderbolt 3
Apple now sells a $129 Thunderbolt 3 Pro cable - The Verge
Apple Begins Selling Standalone 2-Meter Thunderbolt 3 Pro Cable for $129 - MacRumors
Sonnet Thunderbolt 3 Cable (2.3') TCB-TB3-07M B&H Photo Video