Is Thunderbolt 4 Backwards Compatible?

With a new cable standard comes the age-old question: Is Thunderbolt 4 backwards compatible? Read on to find out.

Thunderbolt 3 Before You Buy

USB4 Cable 15ft Compatible with Thunderbolt 4 Cable,Thunderbolt 3 Cable,20Gbps with 100W Charging and 4K@60Hz or Dual 4K Video Compatible with Thunderbolt Monitor(USB C), Docking Stations and Hub : Electronics

3.3ft Thunderbolt 4 3 USB-C 4.0 Cable Charger Data 40Gbps PD 100W 8K C/A to C

Support your resource-demanding peripherals with the OWC Thunderbolt 4 USB Type-C Male Cable. Giving you 11.8 of length you have ample slack to route the cable around your workstation.

OWC Thunderbolt 4 USB Type-C male Cable (11.8)

Thunderbolt 4 Certified: Fully compatible with Thunderbolt 4 devices providing 40 Gbps connections, USB4 compliance, laptop charging via one port, and

Razer Thunderbolt 4 Dock: 10 Ports in 1 - Dual 4K or Single 8K Video Output - USB A and C Hub, 2.5 GbE Thunderbolt 3, Mac, and PC Compatible

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The Bandwidth and Versatility You Desire: Maximize the capabilities of your Mac with 4x Thunderbolt 4 ports, 3x USB-A 3.2 Gen 2 ports, 1x Gigabit

Razer Thunderbolt 4 Dock: 10 Ports in 1 - Dual 4K or Single 8K Output - USB A and C Hub, 2.5 GbE Thunderbolt 3, Mac, and PC Compatible - Thunderbolt 4

USB4 vs Thunderbolt 4: An In-Depth Guide to Next-Gen Connectivity Standards - Crave Direct

Thunderbolt™ 3 vs. Thunderbolt 4 Technology – Intel

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What is USB4?