COAXIAL Thunderbolt 3 Data Cable Type-C Thunderbolt3 PVC Version 40Gbps PD 100W 8011616159268 | eBay
Startech Thunderbolt 3 Cable 0.8 m (2.7 ft) Male/Male - Black
Amazon.com: [Intel Certified] Cable Matters Active 40Gbps Fiber Optic Thunderbolt 3 Cable in 10 Meters / 32.8 Feet (Not Compatible with USB-C Ports Without The Thunderbolt Logo) : Electronics
OWC Thunderbolt (USB-C) Cables
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 &
6ft (1.8m) Thunderbolt™ 3 Cable (20Gbps) (TAA Compliant) | Thunderbolt Cables | USB-C Cables, Adapters, and Hubs | USB and PC
Apple now sells a $129 Thunderbolt 3 Pro cable - The Verge