Can You Fit A Micro Atx Motherboard In An Atx Case?

In the world of computer building, it is essential to understand the compatibility of various components before purchasing them. When it comes to motherboards and cases, the size of the motherboard is crucial to ensure the right fit. One common question asked by many people is whether they can fit a Micro ATX motherboard in an ATX case. The answer to this question is not as straightforward as it may seem, and it requires some understanding of the components’ physical dimensions and compatibility.

An ATX case is known for its larger size, which can accommodate a standard ATX motherboard. However, some people prefer the smaller Micro ATX motherboard due to its advantages, such as lower cost and more compact design. If you are looking to buy a Micro ATX motherboard but already have an ATX case, you may wonder whether it’s possible to use your existing case. In this article, we will explore the various factors you need to consider to determine whether you can fit a Micro ATX motherboard in an ATX case.

Can You Fit a Micro ATX Motherboard in an ATX Case?

Yes, you can fit a micro ATX motherboard in an ATX case as they share the same mounting points and screw hole configuration.

Here are some key points to keep in mind:

– An ATX case is typically larger and can accommodate larger motherboards, including micro ATX motherboards.
– Although micro ATX motherboards are smaller, they still have the same mounting points as an ATX motherboard, making them compatible with ATX cases.
– Smaller motherboards like micro ATX can leave empty space in the case, but this won’t impact performance or cause any issues.
– Simply ensure that the case has the correct standoffs and mounting screws for micro ATX motherboards and follow the installation instructions carefully to avoid any damage.


1. Question: Can a Micro ATX motherboard fit inside an ATX case?

Answer: Yes, Micro ATX motherboards can fit in ATX cases as long as the mounting points are compatible with each other.

2. Question: What are the differences between Micro ATX and ATX motherboards?

Answer: Micro ATX motherboards are smaller in size than ATX motherboards. They usually have fewer expansion slots, memory slots, and ports than ATX motherboards.

3. Question: Will a Micro ATX motherboard affect the performance of my desktop computer?

Answer: No, the size and form factor of the motherboard do not affect the performance of your desktop computer. It is the CPU, GPU, RAM, and other components that determine the performance.

4. Question: Can I mount a Micro ATX motherboard in an ATX case without any modifications?

Answer: Yes, you can mount a Micro ATX motherboard in an ATX case without any modifications as long as the mounting points are compatible.

5. Question: Is there an advantage of using a Micro ATX motherboard over an ATX motherboard?

Answer: Yes, there are some advantages of using a Micro ATX motherboard over an ATX motherboard. Micro ATX motherboards are usually cheaper, consume less power, and take up less space. They are also great for building compact and budget-friendly computers.


In summary, if you have an ATX case and a Micro ATX motherboard, it is possible to fit the smaller motherboard into the larger case. However, it is important to note that there may be some empty space left over and the layout of the ports and connectors may not be optimal. It is always best to use a motherboard and case that are designed to fit together for the best results.

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