Micro ATX Vs Mini ITX: A Guide to Compare PC Cases to Find Out Which Case Is Preferable

Before assembling a PC, the first thing to choose is the motherboard. The CPU is important, but depending on the performance of the motherboard, compatibility between components such as CPU and graphics card can be stably maintained. Here we compare two motherboards Micro ATX Vs Mini ITX, so you can choose one best for you.


Motherboards are usually divided into three sizes. Usually, when assembling a PC, ATX (305x244mm), Micro-ATX (244x244mm), and Mini-ITX (170x170mm) sizes are in the order of ATX>Micro-ATX>Mini-ITX. Therefore, Mini-ITX motherboard can be installed in ATX standard case, but ATX standard motherboard cannot be installed in Mini-ITX standard case. Therefore, you should check this before purchasing a case.


Micro-ATX motherboards are motherboards that can be installed in mini-towers and slim cases. It can configure a basic PC environment, so it is widely used in home or office PCs. Mini-ITX is a small motherboard that can mount a minimum number of components to drive a PC. In some cases, it is impossible to install an external graphic card, but since all essential functions are included, it can function as a PC if only the CPU, memory, and hard disk are installed. Therefore, the most appropriate way to purchase a case is to determine the purpose of using your PC, select a motherboard, and then choose a case that suits you.

Micro-ATX Compliant Case:-

The Micro-ATX case is larger than the Mini-ITX case because there is no need to make it larger because there is a size limit on the motherboard that can be installed. It is suitable for home or office PC as there is no objection to using it on a desk. Due to the internal design of the case, the expandability is excellent, and it is possible to install not only a graphics card but also multiple hard disks, making it easy to configure a gaming PC.

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Mini-ITX Case:-

Most of the cases of the smallest size, Mini-ITX motherboard standard, have a slim size, and DC to DC adapters are often supported for power supply. Although there is a limit to the expandability of the motherboard slot or port, there is a Mini-ITX case that can be equipped with a high-performance graphics card as well as a water cooler.

RAM Capacity:-

One of the big differences is the number of RAM slots built into the motherboard design. While Micro ATX motherboards can support up to four RAM modules, Mini ITX can only support two. However, a Mini ITX motherboard can only hold up to 32GB of RAM if the 2x16GB kit is installed. Micro ATX, on the other hand, can support double the amount of memory.

For gamers, however, this is not that difficult as even 16GB of RAM is more than enough for a gaming computer today. However, professionals who use software that require RAM may be tempted to use a motherboard that not only supports higher total capacity, but also offers the option to install four-module kits.

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