A motherboard is the central printed circuit board (PCB) in a computer. It holds many of the vital components of the system, including the central processing unit (CPU), memory, and expansion slots.
The size and shape of a motherboard is dictated by the form factor of the case it will be used in. The most common form factors are ATX, microATX, and mini-ITX.
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ATX motherboards are the largest of the three form factors. They are typically 12in x 9.6in (30.5cm x 24.
4cm). ATX boards have seven expansion slots, which give you the ability to add multiple graphics cards, sound cards, and other devices.
MicroATX motherboards are smaller than ATX boards, but they still provide ample space for expansion. MicroATX boards are typically 9.6in x 9.6in (24.
4cm x 24.4cm). These boards have four expansion slots, which should be plenty for most users.
Mini-ITX motherboards are the smallest form factor available. They are typically 6.7in x 6.
7in (17cm x 17cm). Mini-ITX boards have two expansion slots, which may be limiting for some users but should be sufficient for most builds.
Now that you know the different form factors, you may be wondering how many M 2 slots a motherboard has. The answer varies depending on the form factor and manufacturer, but most ATX and microATX boards have two M 2 slots while mini-ITX boards usually only have one M 2 slot.
Some manufacturers include additional M 2 slots on their high-end models, so it’s always best to check the specs of a particular board before making your purchase.
In conclusion, a motherboard’s form factor dictates how many M 2 slots it has available for expansion devices such as graphics cards or sound cards. Most ATX and microATX boards have two M 2 slots while mini-ITX boards usually only have one M 2 slot available. Some manufacturers include additional M 2 slots on their high-end models so it’s always best to check the specs of a particular board before making your purchase to ensure it meets your needs.
