Does this motherboard require ATX or Extended ATX case?

http://www.newegg.com/Product/Product.aspx?Item=N82E16813131374Does this motherboard require ATX or Extended ATX case?
I would think it would be extended ATX because regular ATX boards are about or around 12.0'; x 9.6'; and this one is 12.0'; x 13.0';





You might want to consider a bigger case for other accessories and prehipials such as monster graphics cards and what not.Does this motherboard require ATX or Extended ATX case?
It's the equivalent of E-ATX (12';x13';).