The iPad StudioDock

Magnetically attach and detach your USB-C iPad Pro 11” (2018+), iPad Air (2020+) or iPad Pro 12.9" (2018+) to the elegantly designed StudioDock™ in portrait or landscape mode, and unleash the creative possibilities with a powerful desktop experience. No drivers required... More here.

Looks good, full of features and $399.99. Oh well, it looks good and is feature laden at least.