Yeah, that's a nice board. I've been really impressed with their Taichi line, and Markfw uses them for many of his builds. I built my oldest son a new PC with a 1700X a few months back using one of Asrock's cheapest X370 no-frills motherboards, and it's been rock solid as well.
You should be able to just exchange it with the retailer at no charge.
You should be able to just exchange it with the retailer at no charge.