The B450M-DS3H uses a micro-ATX form factor measuring 244mm x 215mm. It supports not only 2nd gen Ryzen, but is also backwards compatible with 1st gen Ryzen and accepts Ryzen with.

I've read that many AMD boards won't boot at all if there is no graphics installed. Is this the case? I'm planning on making a build with the Gigabyte B450M DS3H and a Ryzen 7 1700X. I don't have ...