A Thunderbolt 5 firmware updater is firmware for the Thunderbolt controller chip, the dedicated hardware that manages high-speed data transfer, display output, and power delivery through the laptop's Thunderbolt/USB-C ports. These updates refine device compatibility, connection stability, and performance with docks, external displays, and other Thunderbolt accessories.
Applicable models:
Thunderbolt 5 (Right) NVM Updater v70.1
- https://rzr.to/ycsh4h | September 30, 2026
Release notes
- General Update
Follow the detailed instructions below to run the updater on your device.
Step-by-step Process
Before you start
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Ensure Windows is up to date. See How to get the latest software and driver updates from Windows.
If you just updated Windows, install the "Optional updates" under Settings > Windows Update > Advanced options.
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Plug the Razer Blade into a wall outlet. Do not let it run on battery alone before proceeding.
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Save all files and close all programs.
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Download the latest MCU updater.
Update process
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Run the updater.
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Click "Yes" if the User Account Control window pops up to proceed.
Important: If the Razer Blade Updater window appears with details regarding your current update version and the version that your Razer Blade laptop will be updated to, do not run Windows Update.
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Click "UPDATE" to initiate the update process.
Note: Control of your mouse and keyboard during the updating process will be lost temporarily. You will not be able to proceed if you already have the latest software installed.
A progress bar will appear indicating the status of the installation process. During installation, you will not be able to access other applications.
The Razer Blade will restart a few times and will automatically boot to Windows once the update is complete.
Important: Do not force restart or shut down the Razer Blade during this process.
