TechRadar outlines the differences between different motherboard sizes and their different features and functionality ...

Mini ATX, FlexATX and Extended ATX (see PC motherboards). THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

If you want something smaller than what we're showing here, however, then check out our guide to the best Mini-ITX motherboards. Ever since building his first gaming PC as a teen, Dave's been ...

As can be evidenced from the motherboard size chart above, there's quite a dramatic difference in scale between Mini-ITX and MicroATX, with more of a subtle difference when comparing ATX and EATX ...