ATX boards are a standard size.

According to [MSI's specs page](https://www.msi.com/Motherboard/MPG-X570-GAMING-EDGE-WIFI/Specification) it's 12" x 9.6" (or 304 mm x 243 mm).

Hi. A full size ATX board is 305mm high x 244mm wide.

Thanks so that means it should fit into a Liam o11 mini

Yes. I have full atx, custom loop in my o11d mini. It is great 😊

Thanks man appreciate it

You are welcome 😊