With the ROG Strix Z370-I Gaming, ASUS has a well equipped mini-ITX motherboard in its portfolio, which comes with a bunch of interesting features. There are for example two M.2 Gen 3 x4 slots and an internal USB 3.1 connector. Apart from that the design is quite similar to the previous model.
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