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ATEN UH3238 USB-C Dual Monitor Dock vs Dell Universal Dock UD22: Comparison
What is the difference between ATEN UH3238 USB-C Dual Monitor Dock and Dell Universal Dock UD22?
They are built to different briefs, and host power delivery shows it, ATEN UH3238 USB-C Dual Monitor Dock 90W host charging against Dell Universal Dock UD22 96 W. Total ports runs the same way, 7 on the ATEN UH3238 USB-C Dual Monitor Dock versus 10 on the Dell Universal Dock UD22, another win for Dell Universal Dock UD22.
Who each one is for
Buy the ATEN UH3238 USB-C Dual Monitor Dock for quiet home offices wanting fully fanless operation, though it is not built for single-computer desks with no need for source switching and users needing more than dual display output. It is equally the pick for desks that switch between two computers using the same monitors, keyboard, and mouse. The Dell Universal Dock UD22 suits mixed-vendor offices running Dell, Mac, and Chromebook laptops and triple-monitor productivity setups without needing Thunderbolt, though it is the wrong buy for users who specifically want Thunderbolt-level bandwidth and single-display minimalist desk setups, since it's overbuilt for that. Our rating of the ATEN UH3238 USB-C Dual Monitor Dock (7/10): A distinctive pick for anyone who regularly switches one monitor setup between two computers. Our rating of the Dell Universal Dock UD22 (7/10): the pragmatic choice for offices mixing Dell, Mac, and Chromebook hardware on one dock standard.
ATEN UH3238 USB-C Dual Monitor Dock vs Dell Universal Dock UD22 price
The Dell Universal Dock UD22 asks 22% more, $220 against $180 for the ATEN UH3238 USB-C Dual Monitor Dock.
Frequently asked questions
Do the ATEN UH3238 USB-C Dual Monitor Dock and Dell Universal Dock UD22 differ on port configuration?
Yes. Port Configuration reads 1x USB-C upstream, 2x DisplayPort, 3x USB-A, 1x GbE,... on the ATEN UH3238 USB-C Dual Monitor Dock versus 1x USB-C upstream, 4x USB-A 10Gbps, 2x USB-C 10Gbps... on the Dell Universal Dock UD22.
Is the Ethernet the same on the ATEN UH3238 USB-C Dual Monitor Dock and Dell Universal Dock UD22?
It is. Both are listed at Yes, so it is not a reason to pick one over the other.
Which is cheaper, ATEN UH3238 USB-C Dual Monitor Dock or Dell Universal Dock UD22?
The Dell Universal Dock UD22 asks 22% more, $220 against $180 for the ATEN UH3238 USB-C Dual Monitor Dock.
Specs and benchmarks
Brand
- ATEN UH3238 USB-C Dual Monitor Dock
- ATEN
- Dell Universal Dock UD22
- Dell
Connection Type
- ATEN UH3238 USB-C Dual Monitor Dock
- USB-C (fanless, with KVM-style input switching)
- Dell Universal Dock UD22
- USB-C (USB 3.2 Gen 2, DP 1.4 Alt Mode, non-Thunderbolt)
Model Number
- ATEN UH3238 USB-C Dual Monitor Dock
- UH3238
- Dell Universal Dock UD22
- Universal Dock UD22
Port Configuration
- ATEN UH3238 USB-C Dual Monitor Dock
- 1x USB-C upstream, 2x DisplayPort, 3x USB-A, 1x GbE, physical KVM switch button
- Dell Universal Dock UD22
- 1x USB-C upstream, 4x USB-A 10Gbps, 2x USB-C 10Gbps (one with DP 1.4 Alt Mode), 1x HDMI 2.0, 2x DisplayPort 1.2, 1x GbE
Max Display Support
- ATEN UH3238 USB-C Dual Monitor Dock
- Dual display
- Dell Universal Dock UD22
- Quad 4K@60Hz (with DisplayLink driver); dual 4K@60Hz native
Max Display Resolution
- ATEN UH3238 USB-C Dual Monitor Dock
- Dual 4K@60Hz
- Dell Universal Dock UD22
- 5K@60Hz single (DSC); 4K@60Hz multi-display
Total Ports
- ATEN UH3238 USB-C Dual Monitor Dock
- 7-30%
- Dell Universal Dock UD22
- 10Best
Host Power Delivery
- ATEN UH3238 USB-C Dual Monitor Dock
- 90W host charging
- Dell Universal Dock UD22
- 96 W
Ethernet
- ATEN UH3238 USB-C Dual Monitor Dock
- Yes
- Dell Universal Dock UD22
- Yes
OS Compatibility
- ATEN UH3238 USB-C Dual Monitor Dock
- Windows, Mac
- Dell Universal Dock UD22
- Windows 10/11, macOS 12.2.1+, ChromeOS R100+, Ubuntu 20.04+
Price
- ATEN UH3238 USB-C Dual Monitor Dock
- ~$180
- Dell Universal Dock UD22
- ~$220
Which one should you pick?
Choose ATEN UH3238 USB-C Dual Monitor Dock if you already have it on hand or find it at a lower price.
Choose Dell Universal Dock UD22 if you want the higher total ports (10 vs 7).
Price comparison
| Retailer | ATEN UH3238 USB-C Dual Monitor Dock | Dell Universal Dock UD22 |
|---|---|---|
| Consumercarts listing | $180.00 View on Consumercarts listing | |
| Amazon | $220.00 View on Amazon | |
| Newegg | View on Newegg |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Verdict
ATEN UH3238 USB-C Dual Monitor Dock
7 / 10 Expert Rating
A distinctive pick for anyone who regularly switches one monitor setup between two computers.
Dell Universal Dock UD22
7 / 10 Expert Rating
The pragmatic choice for offices mixing Dell, Mac, and Chromebook hardware on one dock standard.




