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Dell Thunderbolt dock and Boost U speaker on desk

DELL

DELL WD22TB4 Thunderbolt Dock 130W Quad 4K with Boost U Speaker

SKU CH-51EB-VBKT5

A Thunderbolt dock powers a laptop with 130W delivery while driving four 4K displays and bundles a compact Bluetooth speaker with microphone and five-hour playback

  • Drives up to four 4K displays at 60Hz
  • Delivers 130W power to Dell systems
  • Connects via two Thunderbolt 4 ports
  • Includes Boost U speaker with 5-hour playback
  • Features built-in microphone for hands-free calls

Central Hub for Multi-Display Workflows

The Dell WD22TB4 Thunderbolt Dock delivers 130W Power Delivery to Dell systems and 90W to non-Dell systems while driving up to four 4K displays at 60Hz or a single 5K screen. It combines two Thunderbolt 4 ports, one HDMI 2.0, two DisplayPort 1.4, one USB-C 3.2 Gen 2, three USB 3.2 Gen 1 Type-A ports and Gigabit Ethernet. Mounting provisions and security features such as MAC Address pass-through suit managed deployments.

Display Output Ceiling

The single specification that decides fit is the maximum video configuration: four 4K panels at 60Hz or one 5K panel. Systems limited to two external streams or lacking the required alternate-mode support cannot reach this ceiling, so buyers needing five or more screens or higher refresh rates must look elsewhere.

Bundled Boost U Speaker Adds Wireless Audio

The included Boost U speaker pairs over Bluetooth and provides a built-in microphone for hands-free calls plus a remote shutter for wireless photos. Its 600 mAh battery yields up to 5 hours of playback and the unit measures 54.8 mm by 44.4 mm with water-resistant construction. A Micro-USB charging cord is supplied for recharging.

Highlights

  • Drives up to four 4K displays at 60Hz
  • Delivers 130W power to Dell systems
  • Connects via two Thunderbolt 4 ports
  • Includes Boost U speaker with 5-hour playback
  • Features built-in microphone for hands-free calls

Specifications

No published specifications for this item yet.

Questions about this item

How many 4K displays can this dock drive at 60 Hz?

The dock supports up to four 4K displays at 60 Hz or a single 5K display through its two Thunderbolt 4 ports, two DisplayPort 1.4 ports, one HDMI 2.0 port and one USB-C 3.2 Gen 2/DisplayPort 1.4 port.

What video bandwidth do the Thunderbolt 4 ports provide?

Each Thunderbolt 4 port delivers the full Thunderbolt 4 video and data capability required for the quad 4K or single 5K output modes listed in the specifications.

What mounting options does the dock include?

The dock has a built-in mounting provision so it can be secured to a desk or wall for a space-saving installation.

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