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Compact square black dock with Thunderbolt cable and 240W power adapter

DELL

DELL TB18DC Thunderbolt Docking Station 240W

SKU CH-MRCW-0KAKS

A Thunderbolt docking station delivering up to 210 W power for Dell Precision 7530 and 7730 workstations, with VGA, HDMI, DisplayPort, Mini DisplayPort and Thunderbolt video outputs.

  • Product weight5.24
  • Connect Precision 7530 and 7730 with one cable
  • Deliver up to 210 W to charge workstations fast
  • Reach 80 % battery in an hour with ExpressCharge
  • Drive multiple displays via VGA, HDMI, DP, Mini DP and Thunderbolt
  • Compact 5.7 x 5.7 x 2 in design weighs 25.39 oz

Dell TB18DC Thunderbolt Dock 240W

The Dell TB18DC is a Thunderbolt docking station built for Dell Precision 7530 and 7730 mobile workstations. It delivers up to 210W of power through a dual USB-C Thunderbolt 3 connection and includes a 240W power adapter in the box.

Ideal for Precision 7530

This dock suits users who want to charge up to 80 percent within an hour and reach full charge in under two hours using Dell ExpressCharge. It is not for owners of other laptops that cannot accept 210W delivery or lack the required dual Thunderbolt 3 ports.

Simple single-cable setup with included 240W adapter

Connect the supplied Thunderbolt 3 cable to both USB-C ports on the workstation, then attach the 240W power adapter to the dock. The main issue arises when only one port is used, which limits power delivery and prevents the fast-charge function from working.

How it compares

Measured against everything we stock in USB-C & Laptop Docking Stations, at today’s prices. Recalculated every night.

Price $81.99
Typical for this category: the median of 1,971 items is $81.99.

Specifications

Product
Brand nameDell
Model nameTB18DC

Questions about this item

Which Dell Precision workstations must I already own to use the TB18DC with its 210 W power delivery?

The dock is designed for Dell Precision Mobile Workstation 7530 and 7730 models, providing up to 210 W charging for those systems.

Will the dock’s Thunderbolt 3 connection still function if I keep an older laptop that only has USB-C?

The TB18DC uses a Thunderbolt 3 interface; it requires a Thunderbolt 3 port on the host and will not operate with a standard USB-C only connection.

How can I verify the TB18DC is delivering the full 210 W to my Precision 7530 after setup?

Check the battery indicator in Windows — it should show rapid charging reaching 80 % within one hour and full charge in under two hours with Dell ExpressCharge.

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