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Crucial M550 SSD firmware updates

Version MU02 (All form factors)

Released January 8, 2018

This firmware update addresses the following items:

  • Improved stability, Efficiency, and Performance during power state transitions
  • Improved handling of environments with unstable power supplies
  • Improved handling of environments with SATA interface signal integrity issues
  • Improved response time for SMART read commands
  • Corrected error handling NCQ Trim Commands
  • Corrected reporting of SMART Attribute 5

Firmware for the M550 (all form factors) is being updated from version MU01 to MU02. The M550 is updateable to this new firmware starting from previous versions using tools provided by Micron.

This update will be mandatory cut-in for new product built in Micron factories, and is an OPTIONAL update for any drive in the field. For end users, it is recommended if the user is experiencing or wishes to prevent an issue related to the following items.

Warning: Crucial recommends that you back up or make copies of all important files before installing this firmware update. This firmware updated is done entirely at your own risk. If performed correctly, there will be no loss of system or user data currently stored on the drive. However, if the firmware process is interrupted, your solid state drive might not function properly. If the firmware update is done on a notebook computer, Crucial recommends that the computer is plugged in to avoid interruption.

Crucial Storage Executive (version 3.6)

Optimization and update utility

Storage Executive optimizes and updates your Crucial SSDs on Microsoft Windows computers. Supported drives: P1, MX series, BX series.

Installation and warranty

Our easy SSD install guide

Follow our step by step guide to make installation easy.

1. Preparation

2. Cloning using Acronis

3. Physical installation of your SSD

4. Install Crucial Storage Executive

Data transfer

Clone your existing hard drive for hassle-free SSD installation on Microsoft Windows computers
Transfer your existing data for a hassle-free SSD installation on MacOS computers