Best Smallest ATX Cases for Compact PC Build 2021

This article offers a list of the nine best smallest ATX cases based on durability, cooling system, and connectivity.

Do you want to build a small PC setup for gaming? Are you looking for an option that can help you in saving money and space? The smallest ATX cases are here to help you in the process. These compact pieces are perfect for a room and small place desktop organization without compromising the efficiency. The newly introduced products include high durability, smooth airflow with a well-ordered cooling system, cable manager, and much more.

Read also:Best X570 Motherboards 2021

Therefore, this article offers a list of the nine best smallest ATX cases in 2021 based on durability, cooling system, and connectivity. These are the necessary conditions you need in the compact size gaming ATX cases with the more advanced and versatile features added in this list.

1. NZXT H510 – CA-H510B-B1 – Compact Case

The NZXT cases are best known for their high construction quality, user-friendly nature, and all-rounding abilities. Hence, it comes with a refresh that possesses various colors and special additions with the RGB. Also, this Elite PC gaming case’s construction quality is all steel that ensures long-lasting durability with enhanced portability supported by the compact size.

Likewise, the glass panel design makes the overall exterior flawless and spot-on. The airflow is also facilitated by the two Aer fans with 120mm length. The airflow is smooth and remains constant without any gaps. However, the maintenance is necessary with the increasing picking of dust by the gaps in between the chassis.

Similarly, the innovative and effective base model is a pocket-friendly choice. It has the USB type-C that is relatively common in contemporary ATX cases. You will find it present on the front panel of the case. Thus you can connect any device (headphones, mobile, and so on) with great ease. Thereby, with the cleanest design possible, this NZXT H510 is your go-to.

Pros
  • Pre-installed fans
  • RGB light
  • Efficient management system
  • Front-panel USB C
  • Tempered glass panel
Cons
  • Lack of cooling system
  • Picks dust quickly
Finally, this NZXT H510 ATX case is an affordable, efficient, and noteworthy option if you are looking for all the essential features in a limited range. With two built-in fans and premium construction quality, the case ensures the best outcomes. Impaired with this, the front panel with enhanced connectivity adds value to a user-friendly process and convenience.

2. Cooler Master MCM-H500P-WGNN-S00 – Best Small ATX Case

First and foremost, the model comes in two different colors being grey and white. The exterior consists of high-quality steel construction, two Aer built-in fans, USB connections, and the power button that facilitates the process. Thereby, the easily Cooler Master logo and the indicator LED light is just perfect for the modern outlook.

Additionally, it comes with an RGB controller with a 4-pin adaptor that connects the fans. These fans are uninterrupted with a glass panel yet need cleaning because of the dusk that can be stuck in between the gaps. Thus, the cooling system is one of the ideals with the perfect uninterrupted and smooth airflow. The diverse colour options with the RGB assist the user in creating an ambience for gaming and enjoying the process.

Similarly, at the top, there are two openings for the CPU space and fan power. Besides, with the modern design and classic shape with a removable plate. At the bottom, there is a place for USB connectivity where you can connect your smartphone, headphones easily, etc. For the purpose of safety, the PSU is covered by the rubber anti-vibration pad that can also be removed for cleaning.

Pros
  • Premium construction
  • Ideal cooling management
  • Modern exterior
  • RGB options
  • Comes with graphic card
Cons
  • Needs regular maintenance
  • RGB might issue
In the end, the Cooler Master has always been in the highlights with its excellent cooling systems and the modern exteriors where this MCM-H500 is no different. It is an appropriate option for anyone who is searching for premium construction quality and extra connectivity. Overall, this is an all-rounder with absolute efficiency.

3. Corsair iCUE 220T RGB – Most Compact ATX case

Firstly, this Corsair 220T is a remarkable option that goes out of the way to offer you the quality features that are unlikely to be seen in the metal construction. Despite this, the construction is not compromised with an overall easy-to-use mechanism. Apart from this, it is an affordable product with RGB light options, high connectivity, and perfect airflow.

Similarly, the fans included in this model are the 220T RGB pro case fans that are controlled by an RGB controller. The airflow is adjusted by the integrated technology that is smooth with the 140mm fans. Impaired with this, the SATA headers aid the user in achieving the perfect connectivity. This header plugs directly to the internal header with a USB 2.0.

Last but not least, the cooling system is highly effective with ideal cable management. It comes with the phenomenal power supply unit with extraordinary capabilities. Thereby, the overall system of storage is facilitated by the two 3.5 inches hard drives. In the end, the speed and volume range of this Corsair ATX package is perfectly suited for the users.

Pros
  • Innovative design
  • Perfect cooling system
  • It comes with a hard drive.
  • Top-notch construction
  • Easy-to-use mechanism
Cons
  • Fan might issue
  • RGB colors issues
Finally, this Corsair iCUE is a well-weighted option for the cooling system and the enhanced connectivity. It comes with a user-friendly mechanism and a hard drive impaired with a high-quality construction that ensures perfect efficiency and long durability. Overall, it is a worthy product with all the necessary features.

4. Fractal Design Define 7

Versatility and innovation are the two names of this smallest ATX case. This Fractal Design Define 7 is a modern, wider dimension and performance-oriented model that signifies a larger efficiency in all the features included. The perfect cooling system and perfect cable management are best known among the users within the limited price range.

Similarly, the open chamber comes with a space for the 3.5 inches hard drive that guarantees the large storage capacity with the PS tunnel and the SSD mounts. Additionally, the mid-power front panel contains a tempered glass panel that comes with clear, vivid, and dark tints. Here, the variety of colors are identified with user preference and offers freedom. Impaired with the glass panel, the longevity is practical with the two years warranty.

While talking about the cooling system and the connectivity, the Fractal, with its best reputation, does not disappoint us. Thereby, a large Mesh filter with five fans of 120mm and 140mm length offers smooth and uninterrupted airflow with the ideal benefits. Moreover, the connectivity is assisted by the USB 2, USB 3, and USB-C type that is known as the best in the smallest ATX cases in 2021.

Pros
  • Intelligent design
  • Smooth airflow
  • High durability
  • Large storage
  • Performance-oriented model
Cons
  • No RGB light
  • Picks dust easily
In essence, this Fractal Design Define 7 is filled with absolute efficiency having all the necessary features you need in an ATX case. Hence, with the long-lasting durability and the smooth airflow, this is popular among the users. The large storage and enhanced versatility add value to the model.

5. Phanteks Eclipse P300A

The Phanteks Eclipse P300A has a conventional and basic model with top-notch construction and compact size. The front comes with a glass panel that makes it aesthetically pleasing and attractive. Furthermore, the RGB light with a variety of colors adds value to the overall design impaired with high performance.

Additionally, the top of this PC game is a magnetic mesh that is connected to the fans. These fans are highly efficient that allows smooth airflow, and does not pick up the dust: the motherboard, graphic card, and the cooling system on the main compartment. Thereby, the 3.5 inches PSU with a hard drive offers a well-ordered storage capacity for the users to carry out heavy operations.

Likewise, the 3-pin voltage control is practical for an ATX case with a 1200 RPM fan that is here to save the day. At the bottom, the case has an air filter that filters the air. Thus, regular maintenance can be compromised in this particular product. Impaired with this, cleaning is made easy with the removable front and the fan mounts.

Pros
  • Well-organized airflow
  • High storage capacity
  • 3-pin voltage control
  • Aesthetically pleasing
  • Easy cleaning
Cons
  • No USB-C
  • Lack of RGB quality
Finally, if you are looking for a basic yet improved, efficient, and smallest ATX case, this Phanteks is an ideal choice for you. With an affordable price range, the case covers all the prerequisites starting from high compatibility to enhanced versatility. The durability also supports the model, with the delighting and pleading exterior having a glass panel.

6. Cooler Master HAF XB EVO – High Air Flow Test Bench and Lan Box Desktop

Cooler Master has made a certain reputation in the gaming world where this HAF XB EVO is no different. It has all the necessary features with enhanced competence that is required in the smallest ATX cases. Starting from the cooling system to the cable management, it possesses a well-organized exterior and working mechanism.

Furthermore, the design allows the user to remove and add extra apparatus for smooth working and also eases the cleaning process. The stock fans might be a little noisy yet contain the rig’s ideal mechanism to carry around. This feature helps the system cool down conveniently and doesn’t allow the dust to stick. With this, the extension can be installed for extra storage.

Lastly, the case comes with a premium graphic card up to 334mm that guarantees long-lasting performance and lengthy support. Apart from this, the tempered glass panel with the front fans is highly recommended for anyone who is considering high durability. Thereby, the longevity is enhanced with the premium steel construction.

Pros
  • Removable motherboard tray
  • Modern/ innovative design
  • Extraordinary airflow
  • Tempered glass panel
  • Offers high customization
Cons
  • Expensive than usual
  • Limited fans range
Finally, if you are tracing the smallest ATX case’s absolute organization, this one is highly suitable for you. Although a little over-price, this Cooler Master HAF XB EVO offers the ultimate customization with high durability and airflow that is everything you need in these PC cases. Impaired with this, the removable features, including the top and bottom panel with the motherboard tray, treat users.

7. Fractal Design Meshify C – Compact Computer Case

Marked by the well-organized filtration and the glass panel, this Fractal design is a modern, effective PC case. The interior of this Fractal Meshify C comes in black colour with the classic base unit and the seven different fan positions. The black on black front with a glass panel looks classy and modern at the same time. Moreover, the quality is assured with the compact size that is ideal for portability.

Thus, with the compact size and high-performance efficiency, this case comes with the perfect airflow. Moreover, the airflow is aided by the two fans with seven different positions that boost the cooling process of your PC. Thereby, this is a great service for users in mid-tower streamlines having larger tendencies.

Likewise, the design is perfectly designed with an open interior that assists the smooth processing system without heating up a device. Also, this PC gaming case is highly versatile with the roomy hardware storage and the PSU. The GPU Graphic Unit and the PSU with the cable management.

Pros
  • Intelligent design
  • Efficient cooling system
  • Smart processing unit
  • High versatility
  • Roomy storage
Cons
  • Radiator malfunction
  • Lack of wide dimensions
In essence, the Fractal Meshify C is a versatile design that has a cooling system with the great support of the seven positions of fans. Moreover, the ultra-compact size and the high construction make it one of the best selling and smallest ATX cases in 2021 with high performance. This high achiever case ensures large storage ability, fast processing, and multitasking.

8. Thermaltake Core G3 Black Slim Small Form Factor ATX Perforated Metal Front

The Thermaltake Core G3 is a slim and smart ATX case with the perfect dimensions. It comes with 140 mm thickness and 454 mm height that is made up of high-quality SPCC steel and transparent glass windows. There are small apparatus made up of high-quality ABS plastic on the right side and top without compromising the portability that is facilitated by the compact size. Overall, black design is a classic and robust model.

Likewise, the Core G3 has two turbofans with a 120mm range that are pre-installed in the system. Thereby, these turbofans with high speed and decent quality facilitate this ATX case’s cooling system. In addition, the panel for the large storage is located on the top of the model with 2.5 divers and 3.5 divers that can be used to full potential.

Furthermore, the front I/O panel comes with a USB 3.0, USB 2.0, a power button, and a couple of LED lights. All these USB ports are present there for connectivity, be it a smartphone or audio headphones. Although the PSU is premium with enhanced effectiveness yet can only be connected with the SFX units. Overall, it is a pretty good deal in a reasonable price range.

Pros
  • Innovative design
  • Large storage capacity
  • High connectivity
  • Enhanced versatility
  • It comes at an affordable price.
Cons
  • Needs regular maintenance
  • No RGB included
Finally, this smallest, compact PC gaming case is one of the best and includes all the necessary characteristics that are demanded in a gaming PC. This ATX case has the perfect connectivity options, extraordinary hardware options that guarantee the large storage capacity. Impaired with this, the high construction quality and versatility add value and make it one of the most profitable.

9. Fractal Design Meshify S2- Mid Tower Computer Case

 

Identical to the previous model, this Fractal Meshify S2 includes enhanced and innovative features that make the overall process easy and convenient. It is best known for its extraordinary cooling system and the airflow that sounds promising if you are talking about an ATX case. Apart from this, the design is supported with premium steel construction and compact size, critical for longevity and portability.

Similarly, on the front I.O panel, the connectivity is assisted by the USB-C type and a Meshify larger-C that is an improved version of the initial model. It also includes the power button, audio port, and the vertical extension slots that are known for their brilliant assistance in the connectivity and storage process. Thereby, the storage is decent, which makes this PC case highly versatile. Later, the nine mounting fan positions are highly advantageous and benefit the user fully with the constant and uninterrupted airflow.

Hence, this airflow is ensured with the well-suited distribution of these fan mounts and their position on the bottom and front of the model. Overall, the cooling system is highly effective with the easy handling and user-friendly mechanism. The rid also does not pick up the dust so that the user is not bothered by the cleaning and maintenance. Furthermore, the filtration is ensured by the removable steel surface placed in line with the foam that makes cleaning even easier.

Pros
  • Innovative design
  • High versatility
  • Top-notch construction quality
  • Smooth airflow
  • Affordable price range
Cons
  • No RGB included
  • A radiator might present issues.
Finally, this Fractal design Meshify S2 is an ideal choice if you are looking for excellent durability, portability, storage, and an advanced cooling system. This high technology cooling system is benefited from the large fan power and the filtration process that is uninterrupted by external dust. Moreover, the innovative exterior facilitates the user in the best possible way on a limited budget.
FAQs
What is the smallest ATX case?
The smallest ATX case is the Corsair iCUE with decent dimensions and high construction quality. Thereby, with the reasonable features and accessories, the high performance with the efficient cooling system and cable management is present in this model. Impaired with this, the large storage capacity adds value to the compact size.
Is Cooler Master HAF XB Evo better than the MCM-H500P?
The Cooler Master HAF XB Evo, being smaller than the H500P, is similar in efficiency yet with improved features. The category of necessary features is fulfilled with the smooth airflow, RGB color variety, and large storage. Thereby, the budget allocation and the outlined needed features can help in finding the right product among the two.
What is the affordable smallest ATX case?
The affordable and smallest ATX case is the Fractal Design Meshify C with the basic model yet well-organized and effective features. The ultra-compact design with high versatility ensures cable management, durability, and linear airflow that are essential for the smallest ATX cases.
Final Thoughts

Finally, these are your go-to ATX cases with the utmost efficiency and add maximum support to your room desktop setup. All the operations you need with the media are included in the motherboard ATX cases with the RGB light. With the small size and the budget-friendly options, these can also assist you in the card management by supporting the graphic card options and the cooling system with different fans mounting systems.

Hence, here are some recommendations according to all the needed characteristics in these smallest ATX cases of 2021.

  • Fractal Design Define 7 Black & White Brushed Aluminum for its enhanced durability and the cooling system.
  • Cooler Master MCM-H500P-WGNN-S00 MasterCase for its compact size, cable management, improved longevity, and linear airflow.
  • Thermaltake Core G3 Black Slim Small Form Factor is famous for its versatility, storage capacity, and limited price range.

In the end, follow your gaming passion with the desktop setting and these smallest ATX cases of 2021.