The new Kensington Docking Station has an impressive spec sheet that includes support for four 4K monitors, 16 ports, and 40Gbps transfer speeds.

source https://www.windowscentral.com/accessories/this-new-thunderbolt-4-docking-station-puts-four-4k-monitors-40gbps-transfer-speeds-16-ports-and-98w-of-power-are-at-your-fingertips