Last Modified: Feb 26th, 2026
To check your Thunderbolt dock or hub’s firmware version, please follow these steps:
Please note that the following steps only work for macOS 13 and above.
Step 1. Click on the Apple logo on the top left of your screen and click “About This Mac”. The window from the screenshot below should appear on your screen:

Step 2. Click “More Info…” from the Window above. Scroll down and click “System Report”.

Step 3. Locate and click on the Thunderbolt/USB4 (circled in orange) header on the left-hand column of the System Information Application. Click on your CalDigit device (circled in blue) in the Thunderbolt/USB4 Device Tree. After clicking on your CalDigit Device, you will be able to see the Thunderbolt firmware version. (circled in red)

To check the latest Thunderbolt firmware version available for your CalDigit device, please navigate to our Downloads Page, click on your device, and check under the Thunderbolt Firmware Updater header as shown here:
