How to Choose a PC Case?

pc case

Although computer cases don’t directly affect the performance of your PC, they are very important for your system.

The PC case acts as a house, protecting all your components. They also influence airflow to your system to keep it cool.

There are many options for cases. They come in a variety of sizes and designs, as well as a wide range of features. A computer case is one of the most exciting components you can choose from. However, there are many things to take into consideration when choosing the right one.

This post will discuss four factors, some with many sub-topics, that you should consider when selecting the best PC case to protect your computer. We hope you will have a better understanding of what to look out for when choosing a case for your computer.

Clearance, Case Compatibility, and Form-Factor

Technically, this section could be simply called “Case Compatibility” because when we talk about case compatibility, both form-factor and clearance issues are just two subsets.

To make this post more organized, I will break down case compatibility into these two sections.

Form-Factors & Common Case Sizes

There are four types of cases:

  1. Full Tower (Large).
  2. Mid Tower (Medium).
  3. Micro-ATX (Small)
  4. Mini-ITX (Smaller)

Technically speaking, there is no standard for case size, at least in terms of its dimensions. However, all cases support at least one of the different computer motherboard forms.

These are the most popular motherboard forms:

  1. Extended ATX
  2. ATX Standard
  3. Micro-ATX
  4. Mini-ITX

A larger case will be more likely to accommodate a range of motherboard forms. Some full tower cases can even hold all four of the most common motherboard forms.

It is absurd to put a mini-ITX motherboard inside a full tower case. It is possible, however, to ensure compatibility.

However, smaller form-factor case sizes are not able to accommodate larger motherboard forms-factors. A mini ITX case cannot house an ATX motherboard.

This is the only standard that links the cases of the same size together. This means that while all mid towers can hold ATX motherboards, they do not have to be identical in terms of dimensions or feature sets. The same applies to all other common case sizes.

The main thing you need to remember when buying a case is the motherboard form factor.

This can be done by simply looking at the case’s spec sheet to see which motherboard forms it can accept.

Clearance and Other Compatibility Issues

The motherboard form factors that a particular case supports are just one aspect of compatibility that you should consider before you buy a case. However, it is important to ensure that all other components that you select fit into your case.

When shopping for a new PC case, the most important clearance and compatibility issues you should be aware of are:

  • Graphics cards length
  • Air CPU cooler height
  • Liquid cooling radiator size

Let’s take a look at each one of these issues.

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Graphics card length

Higher-end video cards tend to be longer than those with lower budgets. Clearance issues can occur in smaller cases with longer graphics cards.

This is becoming less common. A) Graphics cards are getting smaller on average. B) Mid-tower and smaller cases have been built to support long graphics cards.

It is still an issue. Before you create your part list, make sure to review the spec-sheets of your case and your graphics card. This will allow you to determine how long your graphics card is and what clearance your case provides for it. You are allowed to use graphics cards that extend beyond the length of your case.

You will need to find a shorter option if you don’t have one. You might also consider the smaller form factor cases that are available from Gigabyte and Zotac.

Air CPU Cooler Tower Height

Some air CPU coolers are taller than others. Not all cases are deep enough to hold the largest air coolers.

You can ensure the CPU cooler that you choose will fit in your case by checking the specifications of the case and the air CPU cooler. The spec sheet of your case should indicate how high a CPU cooler it can hold, and the spec sheet of the CPU cooler you’re considering will also list its height.

Liquid Cooling Radiator Size

Liquid cooling systems, whether AIOs or custom loops, use liquid to transfer heat from the processor to a radiator. It has fans that dissipate some heat.

There is no one size that radiators should be. Radiators come in many sizes.

Just like a case cannot accommodate every graphics card or CPU cooler, every case is not able to accommodate every size radiator.

Before you decide on a liquid cooling system (AIO or custom) to match your case, make sure you review your case’s specs sheet. This will ensure that your radiator fits inside your case.

It is important to understand the differences between a custom liquid cooling setup and an AIO cooler. A case that can support larger radiators won’t work with custom loops. Custom liquid cooling systems require more space for reservoirs. They do, however, often go hand in hand.

Which Case is Right for You?

It is literally impossible to choose between all the case options available. Your choice of a case will depend on the budget you have and the other components you have (or have chosen) for your build, as well as your personal preferences on the factors mentioned above.


You should now have a much better idea of what to look for when choosing the right PC case if you have read this post. We discussed all the points that will help you to choose an amazing PC case

Scarlett Watson
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