CalDigit
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
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*Price sourced from Amazon.com. Last updated 2026-04-19. Price and availability subject to change.
Bottom line: The 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 a niche pick — read recent reviews before buying in the external storage category, priced around $379.99. Compare close alternatives before committing.
SpecPicks Verdict
SpecPicks scored CalDigit TS4 18 Port Thunderbolt 4 Dock, 98W Charging, 3X TBT4… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the external storage category. CalDigit's external storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.
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 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 |
| Hardware Interface | Thunderbolt, Thunderbolt 4, USB 3.0 Type C, USB 3.1 Type A, USB 3.1 Type C, USB 3.2 Gen 2×2, USB Type C |
| Warranty Description | 2 Year Manufacturer |
| Item Dimensions L x W x H | 4.46"L x 1.65"W x 5.55"H |
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.
View Current Price on Amazon →
*Price sourced from Amazon.com. Last updated 2026-04-19. Price and availability subject to change.
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