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4 Types of Computer Cases & Form Factor For Build

Haunting a computer case offering unique features, better cooling options, aesthetically pleasing, and unsurpassed quality build is not less than a challenge. 

A computer case is used to protect your components including CPU, Motherboard, RAM, Power supply, cooling fan, hard disk drive, and expansion cards- video, sound, graphic & network adapter. Different types of computer cases launched by the experts to accommodate these components to build a high-end computer. 

Technological advancement revolutionized computer cabinets. The latest pc case design, component arrangement, and air-flow mechanism are versatile and up-to-the-mark. These computer cases help to reduce carbon emissions as well as IT waste. 

Let’s throw light at different shapes, sizes, and styles of the computer cases to better evaluate the effectiveness of each case on the performance of your PC. 

Motherboard Sizes:

Before we explore all types of computer tower cases, it is important to know the motherboard sizes. You may ask-why? The answer is the motherboard is the fundamental part of the computer. The entire system stability, the integrity of the components, and interaction between the hard drive to CPU depend upon the motherboard.

First, you need to evaluate the motherboard size as per your needs. As the pc case must match your motherboard size. There are three main types of motherboard sizes. 

ATX – Largest motherboard size, maximum expansion slots, and ports. You can upgrade your pc as you want. You need a large PC case for a perfect build. Other versions of ATX- Extended and extra-large ATX. These are larger as compared to the ATX motherboard. 

Micro ATX: A moderate size widely used motherboard. Perfect for gaming computers. Compatible with mid-size cases and full tower cases. They easily accommodate a mid-size computer case. These are easily available and value the money. 

Mini ATX: Small size motherboard with fewer slots. You can’t upgrade the model but still, perform well just like larger motherboards. 

Mini ITX:  These are the smallest type of board along with a great tendency to run a fully functional PC. A very compact and easy-to-build computer case. You can try out various shapes. 

A mini ATX motherboard lets you build a small computer for a compact working environment. You can install more computer’s in a small workshop.  On the other hand, large motherboard performers are just like a pro. You can install a graphics card, disk drives, and more flexible components. 

Comparison of Different Types of PC Cases Sizes

TypeMotherboards Support SizeBest For DisadvantagesCost
Full tower ATX – Extended, Micro ATX, XL-ATX, Mini ITX, & SSI EEB22 to 30 Inches SLI Graphic Cars , Easy To Manage Cables , Custom Liquid Cooing Options Large , Heavy Comes in different prices according to brands but are expensive
Mid TowerMini-ITX, ATX, E-ATX, MicroATX, & M-ATX.15 to 22 Inches Regular Gaming , Good Airflow , Good Options Of Cooling Cannot Install E-ATX In Most Cases , Some Cases Are Bad In Airflow Reasonable Price , Comes In Cheap And Expensive
Mini Tower Micro ATX, ATX & Mini ATX12 to 18 inches Low Space Setup, Moderate Gaming, Compact BuildsAirflow Issue In Some Cases - Don't Have A lot Of Options For Cooling Comes In Cheap Mostly
Small Form Factor - HTPCMICRO -ATX & Mini-ITX10 to 14 inchesStreaming , Using As A Media Center , Takes Less Space Heat Issues , Not Alot Of Options For Cooling , Needs Specific Type Of PSU , Hard Cable Management Comes In Expensive and Cheap - Depends On Size and Design

4 Different Types of Computer Cases

1. Full tower – EXTENDED ATX & CEB Cases

types of pc cases

This computer case is ideal to adjust the Extended ATX or CEB motherboard. This computer case can accommodate multiple processors and hard disks.

These full tower computer cases have a width of 22 to 32 cm and 55 to 75 cm in length. The best part is you can install up to 7 expansion cards in this computer case. 

For a better build experience, the weight to size ratio is well-maintained. As these are heavy-duty and commercial-grade computer cases, that’s why they are a bit pricey.  Games enthusiastic and administrators recommend the use of full tower cases to build a hardcore gaming console. 

The full tower computer case lets you build a powerful gaming PC along with special effects graphical interface. It can accommodate a high-speed processor and 2 graphic cards. The computer case is equipped with fans for a custom cooling system. Cable management lets you place the wires and cables in a precise way. 

computer chassis types

RGB Cases are more good-looking aesthetic-wise and also comes in the full tower. Check some best RGB pc cases.

The fewer full-tower models with dust filters add durability to each component installed inside the computer case. Less dust causes low maintenance and other issues. 

The attraction doesn’t end over here, the oolong fan placement is perfect to keep the airflow towards heating components. 

The type of pc cabinet is best suited for large-size components and heavy-duty gaming software. It works for powerful processors and cards. 

  • Size:  Largest size computer chassis types
  • Length in inches: 9 to 13 inches width, 22 to 30 inches height
  • Motherboard compatibility: ATX – Extended, Micro ATX, XL-ATX, Mini ITX, & SSI EEB.
  • What we like: Professional-grade gaming computers. Better airflow, dust filters, cable management, and space for other units.
  • Things to consider: Bulky & heavy, takes a lot of space

2. Mid Tower – ATX Cases

types of pc cabinet

ATX motherboard is one of the most common and widely used components in a PC build. Mid Tower is a perfect type of pc case for this model as well as other types of motherboards. The dimensions of this model accept the computer components in a decent way. 

In terms of technical aspects, it has a height of 35 to 55 cm and 15 to 25 cm width. The prominent feature about the mid-tower case is that it has a great opportunity for upgrades and improvements. 

The full tower can become heavy and massive, as you install more and more components. But this sleek computer case design lets you fit all the components in a precise way, without any loads or heating up problems. However, the limitation comes when you need to install a large-size motherboard.

Also Check Out Some Of The Top Notch White Gaming Case Reviews.

The mid-tower cam supports the 7 PCI slots that are sufficient to fulfill your needs. The middle tower computer case can accommodate 2 or more GPUs. As the space is small that’s why it may cause heating problems. 

types of pc towers inside

In addition to this, the mid-tower computer case also has space for cable management. So no messier or virtually discomforting working environment.

The wires and cables are safely placed in the back compartment for functional and aesthetic purposes. 

The mid-tower case lets you build a regular gaming pc, not as powerful as that of a full-tower. 

According to the customer’s feedback, it is easy to install the components such as full-size video cards or other expansion slots. 

In short, it is one of the best different types of pc cases to assemble various designs, small office computers, gaming computers and computer lab centres. 

Compatible with Mini ITX standard, micro ATX standard, and other small computers.

  • Size: Average desktop cases size
  • Length in inches: 15 to 22 inches height, 6 to 10 inches width 
  • Motherboard Compatibility: Mini-ITX, ATX, E-ATX, MicroATX, & M-ATX. 
  • What we like: Perfect for regular gaming & newbie pc assemblers
  • Things to consider: Heat-up problems for additional components.

3. Mini-Tower – MICRO ATX Cases

types of cpu case mini

The mini-tower is one of the smallest computer cases for tower cases. They take physically very small space as they have no slots for the graphic cards. The height of the mini-tower is 30-45 cm and 15 to 25 cm in width. 

Their thermal enclosures are limited, therefore, you must install the low-consumption components. 

The computer assembler doesn’t like this model much due to its limited physical space. You can’t build a powerful or even a regular computer. It is less productive and best suited for small tasks like web surfing, word processing, web-based application, etc. You can’t run heavy-duty software over this type of pc case. Only limited accessories to be used inside the case. 

Check Out Inwin Computer Cases That Are Ranked Top In 2022.

Compatible with microATX motherboard and require a low power supply. The model comes with basic configurations.  

types of system case inside

Although, the benefits are quite limited, yet you can use them as a regular home PC for kids.  It is affordable and good enough for basic needs. 

According to the experts, a mini-tower is more challenging to build as you have to arrange everything in a limited space. 

It is easy to move from one room to another. A good alternative to the living room television.

Fits well in a compact space weighs only 7 kg.  It is the cheapest option to avail of computer assemblers. 

  • Size: Small in size as compared to mid and full tower
  • Length in inches: 12 to 18 inches height 6 to 10 inches width 
  • Motherboard compatibility: Micro ATX, ATX & Mini ATX
  • What we like: Ideal for web browsing, document processing, and web-based applications.
  • Things to consider: Limited slots 

4. Small Form Factor (SFF) – HTPC – MINI ITX Cases

types of sff case

SFF computer cases come in various sizes, shapes such as shoe boxes or cubes. 

SFF computer cases are portable and space-efficient. In terms of sizes smaller than the desktop cases

Compatible with Mini ITX motherboard and 2 PCI slots.  Low-profile coolers have a restrictive cooling tendency. 

The other name of this type of pc case is HTPC, which stands for Home Theatre PC. In the recent past, a great demand increased for this model due to the powerful component fit. 

types of gaming pc cases

A good choice for home multimedia entertainment. You can mount it on the wall or other flexible placement options. 

You can play various music or video files. Noiseless and cool computer cabinets. 

These are lightweight and take less space on the table. Some models come with bags and handle to transport them easily. 

  • Size: Small & lightweight 
  • Length in inches: 10 to 14 inches in height and 5 to 8 inches wide. 
  • Motherboard compatibility: MICRO -ATX & Mini-ITX
  • What we like: Perfect for video and audio streaming or as a home media center. 
  • Things to consider: Customization requires expert hands. 


Understanding the size and types of different computer cases are essential before upgrading your system to reap more out of it. Our efforts to better differentiate between each type, benefits, and drawbacks will surely help you get closer to your need analysis. 

The editor choice is a Mid-tower computer case due to its compatibility with almost every type of motherboard and flexible placement. It is neither too small nor too big. You can build a high-end regular size gaming pc as well. 

Avail the computer case better define your needs. Make sure about the size of the computer case, available space at the workplace, and the number of components you want to install in it. 

Have a better computer assembling experience!

Frequently Asked Questions About The Computer Cases:

Which computer case is perfect for gaming?

The use requirement is the primary consideration in this regard. If you want to build a heavy-duty, professional-grade gaming computer then you should go for the full tower computer case. On the other hand, if you want to build a regular gaming pc then choose the Mid-Tower case. You can upgrade this model as well.

What computer case should I buy? 

Computer cases are available in four sizes – Full tower, mid-tower, mini-tower, and SFF. Choose the one that better defines your requirements. On expert’s recommendation, you should get your hands over the Mid Tower computer case due to its flexibility and compatibility with almost every type of motherboard. 

What is the basic use of a computer case? 

A computer case is an outer shell that protects and accommodates the internal components of the computer including ROM, RAM, Motherboard, hard drive, cooling fans, and other cards. It ensures better cooling and cable management as well. The other name of the computer case is “Computer Towers” and “PC Tower”.

What components a PC Case can hold? 

A PC Case can install a power supply unit, expansion cards, cooling fan, hard disk drive, RAM, Central Processing Unit, and  Motherboard.

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