Micro ATX Motherboard VS Mini ITX

Views: 2615 Author: Site Editor Publish Time: Origin: Site

In the world of computer hardware, motherboards play a crucial role in determining the overall performance and functionality of a system. When it comes to compact form factors, two popular options are the micro ATX (mATX) and mini ITX (mITX) motherboards. Both these options cater to those seeking smaller-sized motherboards for various reasons. In this article, we will explore the differences between micro ATX motherboards and mini ITX motherboards.

Size and Form Factor

One of the primary differences between micro ATX and mini ITX motherboards is their size and form factor. A micro ATX motherboard usually measures 9.6 x 9.6 inches, whereas a mini ITX motherboard is significantly smaller, measuring just 6.7 x 6.7 inches. This size difference directly affects the overall dimensions of the system in which these motherboards are used. Therefore, if space is a concern, mini ITX motherboards offer a more compact option. On the other hand, if you have a larger chassis or specific expansion needs, a micro ATX motherboard may be a better choice.

Expansion Slots and Connectivity

Another important aspect to consider when comparing micro ATX and mini ITX motherboards is the number and type of expansion slots offered. Micro ATX motherboards typically come with more expansion slots, including additional PCIe slots, RAM slots, and SATA connectors. This provides more flexibility for adding multiple graphics cards, storage drives, or expansion cards. Mini ITX motherboards, due to their smaller size, usually have fewer expansion slots. This limitation often requires careful consideration of the specific requirements of the system being built.

Power and Performance

When it comes to power and performance, micro ATX motherboards generally have an edge over mini ITX motherboards. The larger size of micro ATX motherboards allows for larger power delivery systems, including more robust VRMs and power connectors. This results in better power delivery to the CPU, enabling higher performance levels. Additionally, micro ATX motherboards often support more RAM slots, allowing for greater memory capacity. However, it is important to note that mini ITX motherboards have evolved significantly and now offer impressive power and performance levels despite their smaller size.

Price and Availability

The final aspect worth considering is the price and availability of micro ATX and mini ITX motherboards. Due to their popularity and wider range of options, micro ATX motherboards tend to be more affordable and readily available. The larger market demand and competition drive prices down and ensure a broader choice of brands and models. Mini ITX motherboards, being aimed at specific niche markets, may be slightly more expensive and have a limited selection available. However, the price difference between the two form factors may not be significant enough to sway the decision for most individuals.


In conclusion, choosing between a micro ATX and mini ITX motherboard relies heavily on individual needs and system requirements. If space is a concern and minimal expansion is needed, mini ITX motherboards are an excellent choice. For those requiring more expansion options, greater power delivery, and better performance, micro ATX motherboards will be a more suitable option. Understanding the differences in size, expansion slots, power delivery, and price will help in making an informed decision when selecting the ideal motherboard for your next computer build.


Contact Us



Company Name