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Dell WD22TB4 vs Microsoft Surface Dock 2: Comparison
Dell WD22TB4 and Microsoft Surface Dock 2 separate most on power delivery: Dell WD22TB4 at 90 W, Microsoft Surface Dock 2 at 120 W, 25% in favour of Microsoft Surface Dock 2. Host Power Delivery splits them by another 25%, again favouring Microsoft Surface Dock 2. They match on 6 other specifications, including host cable length, ethernet and bus powered.
Specs
| Specification |  |  |
|---|---|---|
| Connection Type | Thunderbolt 4 / USB-C DisplayPort Alt Mode | Surface Connect |
| Port Configuration | 2x Thunderbolt 4 downstream, 2x DisplayPort 1.4, 1x HDMI 2.0, 1x USB-C 10Gbps with DP 1.4 Alt Mode, 1x USB-C 10Gbps, 3x USB-A 5Gbps, Gigabit Ethernet | 1x Surface Connect host cable, 2x front USB-C 10Gbps (15W), 2x rear USB-C 10Gbps with DP 1.4 Alt Mode, 2x USB-A 10Gbps, 1x GbE, 1x 3.5mm combo audio |
| Thunderbolt Version | 4 | None |
| Max Display Support | Up to 4 external displays | Dual 4K |
| Host Cable Length | 0.8 m | 0.8 m |
| Power Delivery | 90 W-25% | 120 W |
| Host Power Delivery | 90 W-25% | 120 W |
| Ethernet | Yes | Yes |
| External PSU Wattage | 180 W | 199 W |
| Bus Powered | No | No |
| Max Displays Windows | 4 | 2 |
| DisplayPort Port Count | 2 | 0 |
| USB-C Video Output Count | 1 | 2 |
| Downstream Thunderbolt Port Count | 2 | 0 |
| USB-A Port Count | 3 | 2 |
| USB-C Data Port Count | 2 | 4 |
| Max USB Data Rate | 10Gbps | 10Gbps |
| Ethernet Speed | 1GbE | 1GbE |
| Windows Supported | Yes | Yes |
| Brand | Dell | Microsoft |
| Model | WD22TB4 | Surface Dock 2 |
| OS Compatibility | Windows 10/11, Ubuntu 20.04+, ChromeOS M107+ | Windows (Surface devices) |
| Source URL | https://www.dell.com/support/manuals/en-us/wd22tb4-dock/dell_wd22tb4_userguide/product-specifications?guid=guid-bb63fcdf-357e-408c-82f1-c7c56e8d5b4e&lang=en-us | https://learn.microsoft.com/en-us/surface/surface-dock-whats-new ; https://dancharblog.wordpress.com/2020/05/11/microsoft-surface-dock-2/ |
Verdict
Dell WD22TB4
8 / 10 Expert Rating
A fleet-focused Thunderbolt 4 dock whose four-display support outruns most single-user alternatives.
Microsoft Surface Dock 2
7 / 10 Expert Rating
The right dock only if your fleet is already standardized on Surface hardware.
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