There are four motherboard sizes available in 2025 from major manufacturers such as Asus, Gigabyte, and MSI, among others.

Numerous variations of the ATX were subsequently introduced with both smaller and larger form factors, including the microATX, Mini ATX, FlexATX and Extended ATX (see PC motherboards). THIS ...

Up to EATX motherboards and installation of graphics cards up to 405mm long inside a 35-litre chassis sounds like compromises have to be made, but that’s what we are looking at in this review.