Thunderbolt 3 Dock Mini for Mac and PC - 4K HDMI, USB-A | Belkin
OWC 11-Port Thunderbolt Dock for M1 and Intel Macs and Thunderbolt 4 (USB 4) PCs
OWC 14-Port Thunderbolt Dock
Amazon.com: Super Thunderbolt 3 Dock for Mac Studio&Mac Mini, Dock Station with Dual NVMe Slot (Up to 2800Mbps),4X USB 3.1 Port(10Gbps), CFexpress/TF/SD Card Readers,Support Daisy Chain (up to 5 Unit) (Silver) :
The best Thunderbolt 3 docks for your Mac in 2020 | AppleInsider