Shuttle has been hard at work upgrading the NC01U model and have released a revision with the next Intel generation of processors: NC02U. The barebone is easier to work with than before, has a more durable chassis design, pre-drilled holes for 3rd party wireless antennas, a full-sized DisplayPort 1.2 port with the ability to output 4K@60Hz, a more stable aluminum mounting stand, 2.5’’ SSD/HDD installation support up to 15mm height and more. If the Celeron solution is not enough for you, then you can always go for the more powerful variants which include the i3-6100U, the i5-6200U or the i7-6500U processors."
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