Display support
Two DisplayPort 1.2, HDMI 2.0 and USB-C with DP 1.4 Alt Mode. Four 4K 60Hz screens need DisplayLink plus a host whose DP Alt Mode supports DP 1.4, HBR3 and DSC.
Dell Universal Dock UD22
A USB-C dock for mixed fleets of Windows laptops. It runs up to four 4K screens with DisplayLink and still works without the driver through DisplayPort Alt Mode.
We may earn a commission.Compatibility report
UD22 with USB-C cable and 130W power adapter
UD22 with USB-C cable and 130W power adapter
What works. What doesn't.
Charging
Up to 96W to the computer, balanced against what the dock's own ports draw.
Ports
Video ports above, an RJ45 Ethernet port and front and rear USB ports.
Sleep and wake
Wake on LAN from sleep and MAC address pass-through work only with select Dell systems.
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