OWC Thunderbolt Go Dock is a portable dock with its power supply built in, so you carry one power cable instead of a brick. It turns a single port on your Mac or iPad into 11 ports.

Key features:

90W charging for your laptop.
Connect one 8K display or up to two 4K displays through Thunderbolt and HDMI 2.1.
2.5Gb/s Ethernet for fast wired networking.
Built-in SD card reader.
Extra Thunderbolt ports for two separate daisy-chains of drives and displays.
Rugged, fanless aluminum build with MDM compatibility.

It works with Thunderbolt 3, Thunderbolt 4, USB4 and USB-C Macs, iPads and PCs, and OWC recommends checking display support for your specific Mac model. It costs $229.99.