Crucial M550 SSD

Release Date: 01/8/2015

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.

Version MU02 includes the following changes:

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

Additional details can be found in the firmware guide


http://www.crucial.com/usa/en/support-ssd-firmware