If you`ve followed what goes on with the ASRock model numbers, you would know that the -M refers to the board using the mATX Format. The mATX boards from ASRock, though, don`t only bring with it a smaller board, they also bring with it a cheaper price and at the time of writing the ASRock Extreme4-M is the cheapest X79 motherboard available at Newegg, coming in at $218.99 US. It will be interesting to see how the cheapest X79 board performs today. Before we see how the X79 Extreme4-M performs, though, we need to check out the package and bundle to see what ASRock are offering us in that department; once we`ve done that we`ll take a closer look at the board before we move into the BIOS."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips