Due to space constraints, mini ITX cases often do not leave much space for expansion. Lately, we have seen manufacturers are coming out with a slightly larger than average mini-ITX cases that aimed for enthusiasts who wish to have a small PC without sacrificing performance. The BitFenix Prodigy is the latest mini-ITX case from the company that offers a perfect marriage of portability and expansion."
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