Kensington StudioDock - an impressive iPad Pro / Air dock - 9to5Mac
Kensington's All-in-One iPad Pro Docking Station Now Available to Pre-Order - MacRumors
6-in-1 Multiport USB-C Docking Station for iPad Pro 11-in. and 12.9-in. (3rd Gen)
Review: This dock turns your iPad into a desktop computer - sort of
BongBingBoo iPad Pro Stand, Verstelbare Tablet Houder Magnetische Cradle Mount Dock voor Apple iPad Pro 12.9" 3e/4e/5e/6e Generatie - Grijs : Amazon.nl: Elektronica
MagicDock is a Surface-like dock for the iPad Pro - The Verge