Home > Motherboard > Motherboard FAQs > Motherboard Sizes Explained Motherboard Sizes Explained Discover which among the motherboard sizes is the right one for you Andrew Kirkcaldy Reviewed By: Kevin Pocock PC Guide is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Prices subject to change. Read More Last Updated on January 30, 2023 pcguide-sizes-form-factor-explained-20