Mid-ATX, Full-ATX, Extended Atx?

[theFarseer01]

The motherboard listed below in the link says it is "ATX" and it is 12x9.6 inches. Is this Mid-ATX, Full ATX, or Extended ATX? I need to find a case for it.

https://www.amazon.com/M5A99FX-PRO-R2-0-990FX-Motherboard/dp/B008B6ONXK%3Fpsc%3D1%26SubscriptionId%3D14H876SFAKFS0EHBYQ02%26tag%3Dhubacct9792-20%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3DB008B6ONXK

 

[Dark Lord of Tech]

FULL ATX.