Dell Thunderbolt TB18DC Dock supported systems

The Dell Precision Dual USB-C Thunderbolt Dock TB18DC is designed to work ONLY with the Precision 7530 and 7730 Mobile Workstations from a firmware, power, and mechanical perspective. While certain Dell XPS and Latitude laptop models may contain two Thunderbolt 3 USB Type-C ports, these systems are not designed to work with the TB18DC Dock.

When you plug the Dell Precision Dual USB-C Thunderbolt Dock TB18DC into a system that is not designed to work with the dock, you will receive a message warning that the system is not designed to work with the dock.

Introducing Dell’s most powerful dock to date, the Dell Precision Dual USB-C Thunderbolt Dock - TB18DC offers incredibly high power delivery of up to 210W for Precision 7530 and 7730 workstations. Transfer large files at lightning fast speeds of up to 40Gbps when you connect with Thunderbolt storage devices. A single, long cable allows you to dock and power your laptop flexibly, just about anywhere in your workspace. The dock supports Dell Business Class features which allows for easy manageability.


  • Incredibly powerful dock with 210W power delivery
  • Conveniently plug in one cable to dock and power your Precision 7530 or 7730 workstations
  • Enjoy increased manageability with Dell Business Class features


Feature Dell Precision Dual USB-C Thunderbolt Dock: TB18DC
Device Type Thunderbolt™ Dock
Compatible PCs Precision Mobile Workstation 7530
Precision Mobile Workstation 7730
Operating System Microsoft® Windows® 7
Microsoft® Windows® 8.1
Microsoft® Windows® 10
Ubuntu® Ubuntu ® 16.04.4 LTS
RedHat Enterprise Linux® v7.2
Host Connection Dual Thunderbolt 3 Ports (16.2 mm center-to-center)
Connector Cable Dual-C Connector Cable (0.8m/2.6ft)
Power Source 240 W power supply
Data Transfer Speeds (Max) Up to 40 Gbps
Displays Supported
Single Display
Two Displays
Three Displays
5 K - 5120 x 2880 at 60 hz (DP and mDP) *Requires monitor that supports simultaneous DP and mDP input and requires laptop that is configured in discrete-only mode or special-graphics mode.
4 K - 3840x2160 at 60 Hz (DP/mDP/USB-C)
Full HD - 1920x1200 at 60 Hz (DP/HDMI/VGA)
Video Ports VGA, TBT, mDP, DP, HDMI
Monitor Daisy Chain Support Yes, via TBT, DP, mDP ports
Data/USB Ports (2) USB 2.0 / (3) USB 3.0
Audio In/Out (1) Combo / (1) Speaker Output
Network Support Gigabit Ethernet (LAN)
Security Lock Slot Kensington lock slot (Lock not included)
Management Features Wireless vProTM supported by Precision Workstation
Dock button
MAC Address Pass-through
PXE Boot support
Dimensions (L x D x H) 145 mm x 145 mm x 52 mm
5.7in x 5.7in x 2.4in
Weight 0.74 kg
1.63 lbs
Barcode # 676821386908
Brand Dell
Brand Dell
Type Docking Station
Model TB18DC
Unit Of Measure ea

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