Dell UD22 vs Plugable UD-6950Z: DisplayLink Dock Comparison

Dell UD22 vs Plugable UD-6950Z at a glance

The Dell Universal Dock UD22 and Plugable UD-6950Z are both DisplayLink docks for people who need more screens and ports than a basic USB-C hub can provide. They are similar in one important respect: neither is a native Thunderbolt dock, and both depend on DisplayLink software for their most ambitious display configurations. Beyond that, they solve different problems.

Dell built the UD22 for a modern USB-C office setup. It supports up to four external 4K displays, provides up to 96W to the laptop, includes six 10Gbps USB ports, and is officially listed for Windows, macOS, Ubuntu, and ChromeOS. It is the more capable desk dock, but it needs a USB-C port with DisplayPort Alt Mode and a 130W power adapter.

Plugable’s UD-6950Z is much less expensive at its $149 MSRP and works with USB-A as well as USB-C hosts. That makes it useful for older office hardware that cannot use a typical USB-C dock. It drives two 4K displays at 60Hz through USB-C, includes six USB-A ports, Gigabit Ethernet, and a combo audio jack. Its big limitation is equally simple: it delivers 0W to the laptop, so you will still use the laptop’s own charger.

Short verdict: The Dell UD22 is the better overall dock. Its four-display ceiling, up to 96W charging, USB-C accessory ports, and higher 7.6/10 editorial score justify the win for a current USB-C laptop and a multi-monitor desk. Pick the Plugable UD-6950Z instead if USB-A host support, a small vertical dock, and a much lower MSRP matter more than charging and four-screen expansion.

If you are still deciding whether this class of dock makes sense for your setup, see our guide to USB-C vs Thunderbolt docking stations.

Quick specs comparison

Display support: Dell wins on capacity

Display capacity is the main reason to buy the Dell UD22. Dell documents configurations with up to four 4K displays at 60Hz, though that top-end arrangement depends on DisplayLink. The dock has two DisplayPort 1.2 outputs, one HDMI 2.0 output, and a rear USB-C video output that uses DisplayPort 1.4 Alt Mode. It is aimed at a desk with several monitors, not just a laptop plus one external screen.

The catch is that the DisplayLink driver is not optional if you want the UD22’s full display potential. Dell explicitly notes that the second DisplayPort output and three- or four-monitor setups rely on the Synaptics DisplayLink driver. Before that software is installed, the practical display path is HDMI plus DisplayPort 1, or the rear USB-C video output. The dock can still be a good choice, but it should be set up as a managed piece of desk hardware rather than treated like a no-configuration hub.

The UD-6950Z supports fewer monitors, but its two-screen setup is clear. With a USB-C host, it can drive two 4K displays at 60Hz. Each display output group includes HDMI and DisplayPort, but the two ports within each group are alternatives, not additional active outputs. In a typical dual-monitor setup, you choose HDMI or DisplayPort for each display.

USB-A compatibility changes the Plugable’s display limits. Its included USB-A host cable makes it unusually flexible for older machines, but that path is limited to dual 1080p at 60Hz. Dual 4K requires USB-C. For a fleet with legacy laptops, that tradeoff may be worthwhile. For a new USB-C laptop and three or four monitors, the Dell is in another class.

Display winner: Dell UD22. It supports twice as many external displays at its maximum configuration. The Plugable still makes sense when two screens are enough and USB-A host compatibility is necessary.

Charging and power: a decisive Dell advantage

A dock that charges the laptop can replace several cables at the desk. The Dell UD22 supports up to 96W of host charging from its included 130W AC adapter. That is enough for many office laptops, and it keeps the monitor, network, USB peripherals, and charging connection in one place.

Dell also documents that available host power can fall under heavy dock load. Some multi-display scenarios reduce the available charging to 75W or 60W. That does not erase the benefit, but it is a useful expectation to set for power-hungry laptops. The UD22 is most appealing when the laptop is a mainstream business or productivity machine, rather than a workstation that needs its full original charger while under sustained load.

The Plugable UD-6950Z has no host power delivery at all. Its 0W rating means the laptop’s own charger remains connected. For a permanent desk, that is manageable. For a hybrid worker who plugs in every morning and packs up every evening, it is one more cable to deal with. The absence of charging is the UD-6950Z’s largest everyday compromise.

Power winner: Dell UD22. Up to 96W is materially more useful than no charging, even with Dell’s documented load-dependent reductions.

Ports and desk setup

Both docks have six USB ports and Gigabit Ethernet, so a keyboard, mouse, webcam, external drive, and wired network are all realistic. The details favor the Dell for newer peripherals. Its four USB-A 3.2 ports and two USB-C 3.2 ports are rated at 10Gbps, with one USB-C port providing 15W and the other 7.5W. The two USB-C accessory ports make the UD22 a better match for newer storage and accessories.

The Plugable provides six USB-A 3.0 ports at 5Gbps, two on the front and four on the rear. This is a solid peripheral selection, especially for a desk that still uses mostly USB-A devices. It does not have a downstream USB-C port, which can be inconvenient for newer SSDs and accessories. The Plugable does have a 3.5mm combo audio jack, while the Dell has no audio connector. If you need wired headphones or a headset and do not want to add a separate USB audio adapter, that is a real point for the UD-6950Z.

Physical arrangement is another difference. The UD-6950Z is designed to stand vertically, which limits the desk footprint. The Dell is more conventional and includes a temperature-triggered internal fan, so leaving it some airflow is sensible. Dell also documents enterprise-oriented features such as Wake-on-LAN and MAC address pass-through, though Wake-on-LAN is listed for Windows systems.

Port winner: Dell UD22 for most current desks. It has two USB-C ports and faster-rated USB data. The Plugable gets the nod for built-in audio and an all-USB-A peripheral setup.

Compatibility and driver considerations

Both docks use DisplayLink, so neither is a good candidate for GPU-sensitive work on external displays. The Plugable specifically warns that DisplayLink compression adds latency and is unsuitable for gaming, video editing, and GPU-accelerated applications. The same general caution applies when choosing any software-driven multi-display dock: these products are for office tasks, browsers, communication tools, and routine productivity, not for a gaming rig.

The Dell UD22 requires a USB-C host port with DisplayPort Alt Mode. A USB-C port that only carries data is not enough. Dell lists support for Windows 10 and 11, macOS 12.2.1 and later, Ubuntu 20.04 and later, and ChromeOS R100 and later. Its macOS support is useful, but Dell’s own notes and user feedback flag that multi-display behavior can vary, especially with newer Macs. Installing the current DisplayLink driver and dock firmware before connecting several monitors is the sensible route.

The Plugable is broader at the hardware level. It works through USB-C or USB-A and includes both cables. It supports Windows, macOS, ChromeOS, and Linux, with different setup requirements. Windows can install the driver through Windows Update or manually. macOS uses DisplayLink Manager and requires Screen Recording permission. ChromeOS has built-in DisplayLink support, while Linux needs the separate DisplayLink EVDI driver. The USB-A option is the standout benefit, but it brings the lower dual-1080p display ceiling.

Both products have reported issues worth knowing before purchase. Dell notes that the second DisplayPort will not work without the driver, and its review data includes recurring Ethernet and monitor-detection complaints. Plugable users may see monitor freezes, audio routing issues, or displays failing to reappear after macOS sleep. These are normal risk areas for DisplayLink docks, not a reason to skip software updates.

Compatibility winner: Plugable UD-6950Z for legacy hardware, Dell UD22 for modern USB-C fleets. The Plugable can keep older USB-A laptops in service. The Dell is more capable once the host meets its USB-C DisplayPort Alt Mode requirement.

Value and warranty

The $149 Plugable UD-6950Z costs far less than the Dell UD22’s $459.99 MSRP. That is a substantial gap, and it makes the Plugable attractive for a simple two-monitor office setup. It also includes both host cable types, which removes the cost and uncertainty of finding an adapter for older laptops.

The Dell earns its higher price with a different feature set: four-display support, host charging, two USB-C accessory ports, and a three-year limited warranty. Its 7.6/10 score is also higher than the Plugable’s 6.0/10. The price difference is hard to justify for someone who only needs two monitors and already keeps their laptop charger on the desk. It is easier to justify for a shared office desk, a current USB-C laptop fleet, or a user who wants a single cable to charge the laptop and run a larger monitor array.

For another lower-cost DisplayLink option, see our Dell D6000 vs Plugable UD-6950Z comparison. You can also compare Dell’s USB-C and Thunderbolt options in our Dell UD22 vs Dell WD22TB4 guide.

Verdict: Dell UD22 is the better all-around DisplayLink dock

The Dell UD22 wins because it is a much more complete desk dock for a current USB-C laptop. It can support up to four 4K displays, charge the host at up to 96W, and connect newer USB-C peripherals as well as USB-A devices. Its three-year warranty and 7.6/10 score reinforce that position.

The Plugable UD-6950Z is not a bad dock. It is a focused budget option that does two 4K monitors over USB-C, works with older USB-A laptops, has six USB-A ports, includes audio, and costs much less at MSRP. Its lack of laptop charging and USB-C downstream ports are difficult to ignore if you are building a new desk, but they may not matter in a legacy office setup.

Choose the Dell UD22 if:

• You want up to four external 4K displays
• You use a USB-C laptop with DisplayPort Alt Mode
• You want up to 96W laptop charging from the dock
• You need USB-C ports for current accessories or storage
• You are setting up a managed office or shared desk

Choose the Plugable UD-6950Z if:

• You need a dock that works with USB-A as well as USB-C laptops
• Two external displays are enough
• You can keep the laptop’s own charger connected
• You want a vertical dock with a smaller footprint
• You need an integrated 3.5mm combo audio jack

For more buying context, our docking station buying guide explains what to check before choosing between a USB-C, DisplayLink, and Thunderbolt dock.