The ThinkCentre M72e comes in several form factors (Tower, Small Form Factor, Tiny, etc.). While the BIOS is often shared across these models, it is best practice to check your specific Machine Type Model (MTM) before downloading.
The BIOS update files differ depending on your M72e sub-model. To find your version, restart your computer and press to enter the BIOS Setup. Look for the BIOS Revision Level : You have an : You have a : You have a 2. Choose an Update Method
Do not assume that because it says "M72e" on the case, all BIOS files are identical. Lenovo’s support site separates firmware by Machine Type.
Better compatibility with newer DDR3 1600MHz RAM modules . Security: Patches for older vulnerabilities.