Crucial just sent over an e-mail letting us know that they have released a new firmware for their m4 SSD series that offers a number of performance improvements and minor bug fixes. The new 040H firmware is available for the 2.5″ SSD and 04MH firmware has been released for mSATA drive users. Both are optional updates, but include faster boot up times, improved TRIM and better power management. You can read the 040H update guide that includes release notes here and can download the new firmware here.
Version 040H includes the following changes: