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This package provides the firmware for SanDisk X400 2.5 & M.2 2280 128GB, 256GB & 512GB, Revision X4152012 and is supported on Alienware, Inspiron, Latitude, Optiplex, Precision, Vostro and XPS models that are running the following Windows Operating System: Windows 7, Window 8, Windows 8.1 and Windows 10.

If your computer is currently running an older version of this driver, updating may fix problems, add new functions, or expand existing ones. Even though other OSes might be compatible, we do not recommend applying this release on platforms other than the ones specified.

Fixes & Enhancements:

- Fixed issue encountered in some system where drive was lost during cold boot

To install this package please do the following:

- Click the Download button and follow the steps for saving the package on your computer.
- Save all work in progress and close open applications.
- Note for .ZIP archives: Extract the file and enter the newly-created directory.
- Locate and run the available setup file.
- Allow Windows to run the file (if necessary).
- Read and agree with the License Agreement to proceed with the installation process.
- Follow the instructions displayed on-screen.
- Close the wizard and perform a system reboot to allow changes to take effect.

About SSD Firmware:

Changing the solid-state drive (SSD) firmware version can bring about a wide variety of changes such as stability improvements for different sleep states, power consumption enhancements, increased read/write speeds, optimized compatibility with various systems, and many others.

However, performing this step is very risky because it can damage the SSD's software in the event of an update failure. Therefore, make sure you consider changing the firmware only when and if the new version includes changes that you can make use of.

As for the installation method, given the huge number of SSD manufacturers and the wide variety of solid-state drives, it's recommended that you carefully read and understand the update guide, and initiate the upgrade only when you have completely familiarized yourself with the steps.

In addition to that, most SSD manufacturers also require additional software that will help you apply a new firmware using a specific method – so make sure you have everything you need for a complete and successful upgrade.

Another aspect you should keep in mind is that this task must be performed in a steady power environment, such as the one provided by a UPS unit. Don't forget to reboot the system so that the newly made changes can take effect.

That being said, if this release includes the changes you need / desire, click the download button and get the firmware file. If not, check with our website constantly in order to find out first when a suitable update becomes available.