The PRO has the 5-way optimization and 12+ phases and has Sata express, the Hero has 8+2 phases and only M.2.
If you want more features for your cash, get the PRO.
z97 motherboard comparison chart: http://www.asus.com/us/site/motherboards/Z97/comparison/ z97 pro is almost at the top and it has more features so should i get that?
The PRO has the 5-way optimization and 12+ phases and has Sata express, the Hero has 8+2 phases and only M.2.
If you want more features for your cash, get the PRO.