what is a common form factor for a desktop
What are the popular motherboard form factors and how are they different? Get the plain English answers here with our motherboard size guide. While there are dozens of form factors for desktop computers, most of them are either obsolete or developed for specialized purposes. As a result, almost all consumer motherboards sold today belong to one of these form factors: Mini-ITX, MicroATX and ATX. To help you compare the difference in motherboard sizes, we have laid out all three standard motherboard form factors side by side in the image below: