Back when we looked at the N3200PRO, we were impressed with the size and the fact that you were able to get RAID 5 in a small unit designed for SOHO/home use. In the N3200XX, you get that and more, with an upgraded design, upgraded hardware, and a thoroughly modern GUI based on AJAX technology. With the improved firmware comes a set of features to rival most larger units, with iSCSI, NAS Stacking, ISO image mounting, RAID level migration, and expansion. For a small unit, it has a big feature set and the performance to go with it."
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