What are the alternatives to the CalDigit TS4 18 Port Thunderbolt 4 Dock, 98W Charging, 3X TBT4 (40Gb/s), 3X…?

CalDigit TS4 18 Port Thunderbolt 4 Dock, 98W Charging, 3X TBT4 (40Gb/s), 3X… competes with other External Storage products on SpecPicks. Use our Compare tool to view specs side-by-side, or browse the full External Storage category for alternatives.

CalDigit

TS4 18 Port Thunderbolt 4 Dock, 98W Charging, 3X TBT4 (40Gb/s), 3X USB-C + 5X USB-A (10Gb/s), 2.5GbE LAN, 8K@30Hz or 2X 6K@60Hz Displays, Mac/Windows/Chrome, Space Gray, 0.8m Certified Cable

Name: CalDigit TS4 18 Port Thunderbolt 4 Dock, 98W Charging, 3X TBT4 (40Gb/s), 3X USB-C + 5X USB-A (10Gb/s), 2.5GbE LAN, 8K@30Hz or 2X 6K@60Hz Displays
Brand: CalDigit
SKU: B09GK8LBWS
Price: 379.99 USD
Availability: InStock

By SpecPicks Editorial · Verified 2026-07-22

$379.99

Buy on Amazon — $379.99 Compare to similar external storage

*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.

Bottom line: The TS4 18 Port Thunderbolt 4 Dock, 98W Charging, 3X TBT4 (40Gb/s), 3X USB-C + 5X USB-A (10Gb/s), 2.5GbE LAN, 8K@30Hz or 2X 6K@60Hz Displays, Mac/Windows/Chrome, Space Gray, 0.8m Certified Cable is a niche pick — read recent reviews before buying in the external storage category, priced around $379.99. Read recent reviews carefully before committing.

SpecPicks Verdict

SpecPicks classifies CalDigit TS4 18 Port Thunderbolt 4 Dock, 98W Charging, 3X TBT4… as a niche pick — read recent reviews before buying in the external storage category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. CalDigit's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for external storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Backed by CalDigit's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

18 Ports of Extreme Connectivity - Featuring an impressive 18 ports, the TS4 has enough connectivity for even the most demanding of workflows. This includes a built-in DisplayPort 1.4 connector, a total of 8x USB ports with full 10Gb/s performance, SD & microSD 4.0 UHS-II Card Readers, 3x Thunderbolt 4 (40Gb/s) ports, 3x Audio ports, 2.5GbE, and a security slot.
Powerful 98W Charging - The TS4’s power delivery is ideal for any Thunderbolt or USB-C (with data, video, and power support) host device, including larger screen laptops that require more power. A single cable will charge your laptop and connect 18 devices at the same time.
Single 8K or Dual 6K 60Hz Displays - Windows users can connect a single monitor up to 8K resolution. macOS users can connect a single display up to 6K 60Hz. For anyone looking to add dual displays, Windows users can connect up to dual 4K 60Hz monitors. Users on M1 - M4 Pro, M Ultra and Max can connect up to dual 6K 60Hz display. Users with M1 - M3 (Non Pro) Macs are limited to a single display only due to host hardware limitations.
2.5 Gigabit Ethernet - The TS4’s 2.5GbE port is 2.5X faster than standard 1GbE, allowing users to connect to faster networks, routers, and NAS devices. This powerful Ethernet port is fully backwards compatible with 1GbE devices. 2.5GbE performance requires a Thunderbolt host connection and 2.5GbE compatible devices or above.
Universally Compatible - The TS4 works with Thunderbolt 4, Thunderbolt 3, USB4, and USB-C* computers, including Apple M1 - M4, M1 Pro - M4 Pro, M Max and M Ultra, Windows PCs, and Chrome OS devices. Also compatible with the USB-C iPhone 15 - 16 Pro, iPads and Windows tablets that feature Thunderbolt or USB-C. *USB-C port must support data, video, and power for basic functionality
*The TS4 requires a Thunderbolt 4 or fully optioned USB4 port for maximum performance. When used with older or less powerful interfaces such as Thunderbolt 3, Thunderbolt 2, Thunderbolt 1, USB-C (with data, power, and video support), performance will be capped at the capability of the the host interface specifications **Must be used with supplied certified cable or an Intel Certfied aftermarket Thunderbolt / USB4 cable. More details can be found in the product requirements and specifications section below.

Full Specifications

Brand	CalDigit
Color	Space Gray
Wattage	230
Unit Count	1.0 Count
Connectivity	USB-C
Model Number	TS4-US 500971
Compatibility	iOS, Mac
Input Voltage	120 Volts
Item Type Name	Thunderbolt 4 Docking Station
Mfr Part Number	TS4-US 500971
Number of Ports	18
Total USB Ports	3
Total Usb Ports	3
Compatible Devices	MacBook Air, MacBook Pro

Ready to buy?

CalDigit TS4 18 Port Thunderbolt 4 Dock, 98W Charging, 3X TBT4 (40Gb/s), 3X USB-C + 5X USB-A (10Gb/s), 2.5GbE LAN, 8K@30Hz or 2X 6K@60Hz Displays, Mac/Windows/Chrome, Space Gray, 0.8m Certified Cable is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.