Intel Thunderbolt Firmware Update

Restart required AUTO INSTALLED This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
This package contains the Intel Thunderbolt Firmware Update. The Thunderbolt firmware allows operating system to access the Thunderbolt Controller.
To view all drivers for your XPS 15 9570, go to Drivers and downloads.
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Intel_TBT3_FW_UPDATE_NVM46_NCN7N_A02_4.46.143.001.exe | 1.67 MB
This is a large file. Depending on your connection speed, it may take some time to download.

File Format: CPG BIOS Executable for Windows/DOS
File Name: Intel_TBT3_FW_UPDATE_NVM46_NCN7N_A02_4.46.143.001.exe
File Size: 1.67 MB
Format Description
This file format consists of a BIOS executable file. The Universal (Windows/MS DOS) format can be used to install from any Windows or MS DOS environment.
To ensure the integrity of your download, please verify the checksum value.
MD5:
18080798259fef118106cdee1681ae69
SHA1:
c2a30a4502b8b0a59e68d2afea992c6ce4b287f2
SHA-256:
0b009f107893fcbca7426c520d57889704c530dc3019cd7cd6906db9638f1c12

Find more updates. Use SupportAssist to find all the latest driver updates for your device.

Fixes & Enhancements

- Enhanced the thunderbolt security.
Read More

Version

4.46.143.001, A02

Release date

19 Jan 2021

Download Type

Firmware

Category

Chipset

Importance

Recommended
Dell Technologies recommends applying this update during your next scheduled update cycle. The update contains changes to maintain overall system health. It ensures that the system software remains current and compatible with other system modules (firmware, BIOS, drivers, and software) and may include other new features.

Additional details

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- It is recommended that you install the latest version of the Thunderbolt driver (if the system supports) before you install this package.
To find the Thunderbolt driver, click This Device on the Drivers and Downloads page. From the Category drop-down, select Chipset for Thunderbolt driver. If you are not on the Drivers and Downloads page, identify your product.
Dell Update Package Instructions

Download
1. Click Download File.
2. When the File Download window is displayed, click Save to save the file to your hard drive.

Installation
1. Browse to the location where you downloaded the file and double-click the new file.
2. Read the information in the dialog window.
3. Download and install any prerequisites that are identified in the dialog window before proceeding.
4. Click the Install button.
5. Follow the remaining prompts to perform the update.

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