TS4 macOS Firmware Update Procedures

Latest TS4 firmware version: 39.1 (NOT required for TS4 units purchased after Aug 2022) Requirements: Intel-Based Thunderbolt 3 Mac or Apple silicon Mac macOS 13.1 or later CalDigit TS4 Thunderbolt Firmware Updater Notes: If your computer is running a previous version of macOS, such as macOS 11 or 12, please update to 13.1 or above. […]

Using USB Hub or KVM Switch with TS4

If you’re looking to use the TS4 with a USB KVM switch, or with a USB Hub that has multiple ports (such as a 4, 8, 12, or 16 port hub), this could be tricky due to your KVM switch or USB Hub’s architecture limitation. If you find that your KVM or USB Hub does […]

macOS Ventura/Sonoma and USB/Thunderbolt Device Security

We encourage all CalDigit users to upgrade their Macs to macOS 13 Ventura for the best possible experience. This new OS version has resolved small compatibility issues with external devices, and offers a better user experience, especially for people connecting docks to their Macs. Starting from macOS 13, Ventura, Apple has implemented a new layer […]

Can Element Hub be bus powered?

No. Although Element is a compact device, it can not be bus powered. You need to plug in its power supply before Element Hub can operate.

Is Stage Manager on iPad compatible with CalDigit Docks?

YES. The current shipping docks from CalDigit, such as, TS4, TS3 Plus, Element Hub, SOHO dock are compatible with “Stage Manager” on iPad. Please note that ONLY Apple Silicon iPads can support Stage Manager. Also you MUST connect both keyboard and mouse to the dock, or use Apple’s Magic Keyboard with Trackpad, before extended display can […]

TS4 Interface Bandwidth Allocation and Diagram

Below you will find the TS4’s USB, PCIe, and Thunderbolt interface bandwidth allocation diagram. This will help you balance your resources and maximize your device’s performance. Group 1: Share the same USB 10Gbps Hub. These ports include both the front-facing USB-C ports and all of the ports from the Group A and Group B Hubs.Group […]

Ethernet port on the TS4 or TS3 Plus does not work properly

Notes: For macOS users, in order to have the most reliable Ethernet connection, please update to the latest macOS13, Ventura or above. If the Ethernet port on the TS4 or TS3 Plus can not obtain IP address from DHCP server or does not have any network traffic even it is connected to your router / […]

My TS4 Dock isn’t Working with my Mac under Catalina (macOS 10.15.x)

If your TS4 dock isn’t working when connecting to your Mac and the power source, and you can only see your Mac gets charged by TS4 and outputs to external monitors but no other USB features nor 2.5Gb Ethernet feature, please confirm that the computer is running macOS 11.4 (Big Sur) or later. macOS 10.15.x […]

Video from USB capture device freezes when using with Thunderbolt 4 dock / hub

There are numbers of USB video capture devices that take the HDMI signal from your DSLR camera and converts it to a streaming USB video signal. For example, Blackmagic Design Intensity Shuttle, ATEM Mini, IOGear HDMI to USB Type-C Video Capture Adapter, Elgato Cam Link 4K…etc. If you encounter frozen video when using USB capture devices […]

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