It is a larger and more flexible motherboard type, allowing for more components and offering better expansion options.

It is smaller than ATX but still allows for several expansions; ideal for compact computers.

It is even smaller than Micro-ATX, designed for compact systems with fewer expansion options.

It is larger than ATX, offering more space for components and better expansion capability in high-performance systems.

It is an old motherboard used in early IBM PCs, with limited memory and designed for basic computing tasks.