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Rectangular silver dock with multiple ports on front and back

CalDigit

CalDigit TS4 Thunderbolt 4 Docking Station 18 Ports 98W Charging 40Gb/s

SKU CH-ZGP1-3DH99

An 18-port Thunderbolt 4 dock delivering 98W charging, 40Gb/s bandwidth, 2.5GbE and dual 6K 60Hz display support

  • 18 ports connect every peripheral through one cable
  • 98W charging powers large laptops while docked
  • 40Gb/s Thunderbolt bandwidth drives high-speed workflows
  • 5Gb Ethernet links to fast networks and NAS
  • 8K or dual 6K 60Hz display support for any setup

18-port Thunderbolt 4 dock for demanding workflows

The CalDigit TS4 provides 18 ports through a single Thunderbolt 4 connection, delivering 40Gb/s bandwidth for high-performance peripherals. It suits professionals who need to connect multiple displays, storage devices, and wired networking simultaneously. 98W power delivery charges compatible laptops while all ports remain active.

Thunderbolt 4 bandwidth

The 40Gb/s Thunderbolt 4 interface sets the practical ceiling for total throughput across all 18 ports. Display support varies by host: Windows allows single 8K or dual 4K at 60Hz, while M1 Pro/Max/Ultra Macs support dual 6K at 60Hz; Intel Macs are limited to dual 4K. 2.5GbE performance requires a Thunderbolt host connection and compatible network hardware.

98W charging determines laptop compatibility

The 98W power delivery rating is the single specification that decides whether this dock can charge your specific laptop while driving all connected devices. Laptops requiring more than 98W will not charge from this unit, though data and display functions will still operate. Firmware updates from the manufacturer are required for best compatibility.

Highlights

  • 18 ports connect every peripheral through one cable
  • 98W charging powers large laptops while docked
  • 40Gb/s Thunderbolt bandwidth drives high-speed workflows
  • 5Gb Ethernet links to fast networks and NAS
  • 8K or dual 6K 60Hz display support for any setup

Specifications

No published specifications for this item yet.

Questions about this item

Should I pick the model with 18 ports or a simpler dock?

The 18 ports cover three Thunderbolt 4 connections, eight USB ports at 10Gb/s, DisplayPort 1.4, 2.5GbE, dual card readers and audio in a single unit.

What does 40Gb/s Thunderbolt 4 actually deliver when I plug it in?

It provides full 40Gb/s bandwidth to each Thunderbolt 4 port, driving an 8K display on Windows or dual 6K on supported Macs while simultaneously running 10Gb/s USB and 2.5GbE.

How does the Thunderbolt 4 interface limit charging and data in practice?

The Thunderbolt 4 link caps at 40Gb/s and carries 98W power delivery, so the dock charges the host and runs all 18 ports without a separate power brick.

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