rmance wise the new QNAP TS-221 and TS-220 did well at their respected price ranges. The TS-221 was roughly 30% faster than the TS-220 when measuring upload/download performance with large files and on average 40% faster when working with smaller files.
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