Plus, its ultrafine 4K display and high color fidelity make this screen look amazing right out of the box. With one Thunderbolt 3 port, USB-A, an HDMI, and multiple DisplayPort ports, this monitor has tons of connectivity to attach all your favorite devices. LG's big 34-inch 32UL950 is not only a Thunderbolt 3 monitor, meaning you can daisy chain monitors together but also has quite a few ports.