September 22, 2023

All the necessary parts for your computer will be connected to the motherboard. Like the spinal cord, the motherboard plays an extremely important role in supplying power to the entire computer and controlling the operation of each part. However, there are various standards and sizes depending on the motherboard, which determines the devices that can be connected. So be careful! In this article we’ll talk about ATX Vs ITX:


The ATX standard motherboard has plenty of space, it is easy to connect parts and cables, and it has good airflow and it is easy to lower the temperature inside the case. When configuring a high-spec home-built PC, there is no problem if you select the ATX standard.

ATX Size:-

This is called ATX. It is the largest size among the three types of standards introduced. The board size is 305 x 244 mm (12 inches x 9.6 inches) square. This ATX is a standard that is often used in tower-type desktop PCs.

The feature is that there is a lot of room in the board area, so there are a lot of connectors and slots. In other words, more parts can be attached and various functions can be added. It has up to 7 expansion slots and 4-8 memory slots.

Due to its high extensibility, it has a great deal of freedom. ATX is recommended for making high-spec PCs. Although it depends on the PC case, the size of the board is large, so in most cases the PC to be assembled will also be large. High expandability is a popular standard.

Mini ITX:-

The 170mm x 170mm size Mini-ITX is the smallest of the three mainstream standards. Mini-ITX was designed for use in embedded systems. Therefore, the expansion slot is one and the expandability is low, and it is suitable for ultra-small personal computers. Recently, the number of companies selling Mini-ITX size motherboards has increased, and the performance of parts has improved, making it possible to create high-performance personal computers and home-built personal computers.

RAM Capacity:-

The number of PCIe slots they have for gaming is another difference between the three models. A PCIe slot is a high-speed hardware interface for connecting peripherals such as the GPU (graphics card) and sound card. PCIe slots for high performance graphics cards and work installations are considered fairly essential, which is why the ATX typically has around 7 PCIe slots. However, specially designed motherboards used for mining come with 19 PCIe slots. Aside from the ATX, the Mini-ITX only has one.

Motherboard Compatibility:-

After seeing the difference in size between these two types of motherboard, the most notable distinction is the capacity of RAM that each of the formats can accommodate. The ATX has 4 RAM slots, compared to 2 for the Mini-ITX, which can only accommodate 2 strips of 16 GB maximum, for a total of 32 GB. While the other two models can accommodate double! The difference is huge, especially if you plan to build a powerful device, you can see how it all starts to fit together.

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