Dell Thunderbolt™ Dock – WD22TB4

Tech Specs

Quick Specs

Product Type
Docking station
Docking Interface
Thunderbolt 4
Video Interfaces
HDMI, 2 x DP, 2 x Thunderbolt, USB-C
Dimensions (WxDxH)
20.5 cm x 9 cm x 2.9 cm
650 g
Gigabit Ethernet
Power adapter 180 Watt AC 100-240 V (50/60 Hz)
Bundled Services
3 years Advanced Exchange Service and Limited Hardware Warranty
Product Type
3 years Advanced Exchange Service and Limited Hardware Warranty


Product Type
Docking station
20.5 cm
9 cm
2.9 cm
650 g


Max Resolution Details
  • 5K - 60 Hz (Single Display)
  • 4K - 60 Hz (Quad Display)


Data Link Protocol
Ethernet, Fast Ethernet, Gigabit Ethernet

Expansion / Connectivity

  • 2 x display / video - DisplayPort - 20 pin DisplayPort (1.4)
  • 1 x display / video - HDMI - 19 pin HDMI 2.0
  • 2 x Thunderbolt 4
  • 2 x USB 3.2 Gen 1 - 9 pin USB Type A
  • 1 x USB-C 3.2 Gen 2/DisplayPort 1.4
  • 1 x USB-C 3.2 Gen 2
  • 1 x network - Ethernet 1000 - RJ-45
  • 1 x USB 3.2 Gen 1 with PowerShare


Cables Included
1 x Thunderbolt 4 cable - 0.8 m
Security lock slot (cable lock sold separately), wake on LAN, LED indicator, modular design, MAC address pass-through, 130W power delivery to Dell systems, up to 4 monitors support, 90W power delivery to non-Dell systems, wireless vPro, High Bit Rate 3 (HBR3), High Bit Rate 2 (HBR2)
Security Slot Type
Noble Wedge security slot / Kensington security slot
Compliant Standards
DisplayPort 1.4


Power Device
Power adapter
Voltage Required
AC 100-240 V (50/60 Hz)
Power Provided
130W (Dell systems)
90W (non-Dell systems)

System Requirements

OS Required
Windows 10, Windows 11, Ubuntu 20.04 or later

Manufacturer Warranty

Bundled Services
3 years Advanced Exchange Service and Limited Hardware Warranty


Upgrade and get the ultimate support for your product.

Dell Thunderbolt™ Dock – WD22TB4

Total Savings
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Get it now for as low as £31.44 over 12 months with 0% interest. Available for online orders only. Subject to approval. T and C apply.
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ExpressCharge technology

You'll experience power delivery of up to 130W on Dell devices with ExpressCharge technologyi that enables:

  • 80% charge in one hour​i
  • 35% charge in just 20 minutesi
ExpressCharge technology

Future-made design

  • Swappable module lets you upgrade with ease to meet the needs of your IT environment.
  • Upgrade to get the latest in connectivity with not one but two Thunderbolt™ 4 ports for even more flexibility.
Multiply productivity

Multiply productivity

Connect displays and peripherals to your system with a single cable for ultimate productivity.
Thunderbolt™ 4 dock with the highest number of portsi connects multiple 4K displays and Thunderbolt peripherals allowing you to not compromise with your work setup. Get the maximum from your peripherals with data transfer of 40 GB/s.

Intelligent and simple management

Work without disruption: Firmware updates can be completed in five to seven minutes without needing to reboot the system.

Easier for IT: Dell Client Command Suite and Microsoft System Center Configuration Manager offers a smoother firmware update experience. You can also streamline deployment and management with a single firmware.

Easier upgrades: Modularity allows for simple field replacement of the power cable or connectivity module.

Better support: Inventory management got easier since each has its own service tag, allowing IT to push firmware updates only to certain dock.

Secure manageability: Keep your information safe with MAC Address pass-thru and remote port-disablement. Plus, with features like PXE Boot, Wake-on-LAN, and more, it’s easier than ever to stay productive while managing your dock.
Intelligent and simple management
Industry standard compatibility

Industry standard compatibility

Dell Thunderbolt™ Dock – WD22TB4 offers wide compatibility across Dell Commercial laptops. It is is also compatible with notebooks from other manufacturers which support industry standards for Thunderbolt™ docking. For functional limitations with notebooks from other manufactures in comparison to Dell Commercial notebooks, please see this support article.

Dell docking compatibility guide
Connectivity Options


Connectivity Options

Ports & Slots:

1. USB-C 3.2 Gen 2
2. USB-A 3.2 Gen 1 with PowerShare
3. DisplayPort 1.4 (2)
4. HDMI 2.0

5. USB-C Multifunction DisplayPort
6. USB-A 3.2 Gen 1 port (2)
7. Gigabit Ethernet RJ45
8. Power In
9. Thunderbolt™ 4 (2)

Advanced Exchange Service

Your dock comes with a 3-year Advanced Exchange Service so that if a replacement becomes necessary, it will be shipped to you the next business day during your 3-year Limited Hardware Warranty.


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Modular thunderbolt dock with swappable modules for easy upgrades and SuperBoost technologies for fast charging.