MicroATX cases are typically smaller than typical ATX towers. This means that although the same standard hardware is supported, it is supported in lower quantities. Typically these boxes are used as a suitable HTPC home (home-theater personal computer), but with the looks the GIGAS offers, it would make a great gaming system as well as even lengthy graphics cards, ( up-to 320mm (12.5 inches) can be installed. Read the review here"
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