A:AnswerYes this motherboard should fit in the NZXT - H510 Compact ATX Mid-Tower Case with Tempered Glass - Matte Black that is the exact case I was going to get but unfortunately it was out of stock when I needed mine.
A:Answeryou will need to purchase a pcie wifi card, but i did have issue with one and had to return it, i dont know if it was the motherboard or the card but it did not show up in the bios nor device manager, but i did get one of the cheapest wifi6 card on amazon, you might have better luck than me
A:AnswerYes, it even says arsenal gaming on boot. Difference between Tomahawk Max and Tomahawk is that Max is good for gen 3 Ryzen out if the box. The other needs bios update.