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Black rectangular Thunderbolt dock with dual USB-C cables and multiple ports

DELL

DELL TB18DC Thunderbolt Dock 210W 8D7HX laptop replacement part

SKU CH-NX6E-7YR5D MPN TB18DC

Thunderbolt dock with dual USB-C connectors delivering 210W power and supporting three 4K displays for Precision 7000 and Latitude laptops

  • Compatible ManufacturerFor Dell
  • Compatible ModelsFor Dell Precision & Latitude laptops with dual USB-C/Thunde
  • ColorBlack
  • Dual Thunderbolt connectors maximise bandwidth for Precision & Latitude laptops
  • Up to 210W power delivery charges compatible Dell systems quickly
  • Supports three 4K displays or dual 5K monitors for expansive workflows
  • Multiple ports including USB 3.0, HDMI, DisplayPort, Mini DisplayPort, Ethernet and audio
  • Genuine Dell TB18DC replacement part ensures reliable integration with 7000 series devices

Thunderbolt Docking Station

The Dell TB18DC is a genuine Thunderbolt docking station built for high-performance Dell laptops. It connects through dual USB-C Thunderbolt interfaces to deliver 210W power delivery and extensive port expansion. Designed for professionals who need reliable multi-display and peripheral connectivity from a single cable.

Precision and Latitude users with dual Thunderbolt

Suits Dell Precision 7000 series and Latitude owners whose laptops expose two USB-C Thunderbolt ports and require up to three 4K or dual 5K external displays. Not for laptops with only a single Thunderbolt port, no Thunderbolt support, or non-Dell systems that cannot negotiate the 210W power profile.

Dual USB-C Thunderbolt interface

The defining spec is the dual USB-C Thunderbolt connection that enables the full 210W charge rate and the bandwidth for multiple 4K or 5K monitors. Without two compatible Thunderbolt ports on the host, the dock falls back to reduced functionality and lower power delivery.

Highlights

  • Dual Thunderbolt connectors maximise bandwidth for Precision & Latitude laptops
  • Up to 210W power delivery charges compatible Dell systems quickly
  • Supports three 4K displays or dual 5K monitors for expansive workflows
  • Multiple ports including USB 3.0, HDMI, DisplayPort, Mini DisplayPort, Ethernet and audio
  • Genuine Dell TB18DC replacement part ensures reliable integration with 7000 series devices

Specifications

BrandDell
ModelTB18DC
Part Number8D7HX
Compatible ManufacturerFor Dell
Compatible ModelsFor Dell Precision & Latitude laptops with dual USB-C/Thunderbolt support
ColorBlack

Questions about this item

Which Dell laptops work with the TB18DC dock?

The TB18DC is built for Dell Precision and Latitude models that have dual USB-C Thunderbolt ports, including Precision 7000 series systems.

What does the 210W power delivery mean for my laptop?

It supplies up to 210W of charging power through the Thunderbolt connection, enough to run and charge high-performance Precision and Latitude laptops under load.

How does the dual Thunderbolt interface affect display support?

The dual Thunderbolt links provide the bandwidth to drive up to three external 4K displays or two 5K monitors from a single dock connection.

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