There are plenty of great choices on our list of the best webcams but if you want something smaller, you really only have two ...

This monster "engineer's laptop" can use both screens at once, or share a screen with a coworker (or a kid playing a Switch and using it as a portable monitor).

Compare DisplayPort vs. HDMI and learn which cable offers better performance for gaming, home theater, and professional use.

This Kensington USB-C dock comes with tons of ports and support for double 4K monitors, and it’s shockingly cheap at $49.62 ...

Bus-powered Thunderbolt adapter connects two 4K 120Hz HDMI displays to a single thunderbolt or USB4 computer port.