Yes. The Thunderbolt 4 Dock works with Thunderbolt 3 host computers, and the dock is certified under Thunderbolt Technology.

The Thunderbolt 4 Dock is fully backward compatible with Thunderbolt 3 devices. When you connect it to a Thunderbolt 3 host, some capabilities such as maximum data transfer speed and power delivery follow Thunderbolt 3 limits rather than the higher Thunderbolt 4 limits.

The Thunderbolt 4 Dock has also been reviewed and certified under Thunderbolt Technology, which confirms it meets Thunderbolt standards and requirements.