What is a motherboard?
A motherboard is the main circuit board in a computer. It is the central hub that connects all of the other components of the system, including the processor, memory, storage, and other peripherals. The motherboard provides the interface and connections for all of these components to communicate with each other and with the operating system. It also provides power to the other components, and it controls the flow of data between them. In short, the motherboard is the backbone of a computer, and it is essential for the system to function properly
What sizes do motherboards come in?
Motherboards come in different sizes, which are determined by the dimensions of the motherboard and the number and type of expansion slots it has. The most common sizes of motherboards are ATX, microATX, and mini-ITX, but there are also other sizes available, such as extended ATX (EATX).
The ATX size is designed to support a wide range of features and expansion options. ATX motherboards typically have dimensions of 12 x 9.6 inches, and they have seven expansion slots for adding additional hardware, such as graphics cards and network cards. ATX motherboards are suitable for use in most desktop computers, and they provide a good balance of features and expandability.
The microATX size is smaller than ATX, and it is designed to support fewer expansion options. It is the most popular size of motherboard. MicroATX motherboards typically have dimensions of 9.6 x 9.6 inches, and they have four expansion slots. MicroATX motherboards are suitable for use in smaller computers, such as home theatre PCs and small-form-factor desktop computers.
The mini-ITX size is the smallest motherboard size, and it is designed to support only the most essential hardware and expansion options. Mini-ITX motherboards typically have dimensions of 6.7 x 6.7 inches, and they have only one expansion slot. Mini-ITX motherboards are suitable for use in very small computers, such as network-attached storage (NAS) devices and embedded systems.
An EATX motherboard is a larger version of an ATX motherboard, with more space for additional features and components. EATX motherboards are typically used in larger computers and gaming systems, where the extra space and capabilities are needed. They are also used in server and workstation systems, where they can provide more expansion options and better performance.