With the SZ170R8, Shuttle has eliminated some of the compatibility with somewhat unused hardware nowadays like optical drives and made some serious space for installing no less than four 3.5’’ drives inside the 14.2 litre chassis. A fan was also added in front in order to cool these but also for facilitating a more fluent airflow from the front to the back of the case; the case does support installation of up to 64GB of RAM (DDR4, 2133MHz), a dual-slot video card (which can be powered by one 6-pin and one 8-pin PSU connector), a M.2 SSD, an optional Wireless LAN card, a COM-port for special applications but also 2.5’’ drives with an extra adapter."
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