Discover the Best Smallest ATX Case for Your Compact Build

Smallest Atx Case
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In the realm of custom PC building, size matters—but not always in the way you might think. As Technology advances, we’ve been able to pack more power and performance into smaller and smaller packages. One such revolution has been the rise of the smallest ATX case, which combines the robust capabilities of the ATX motherboard standard with a compact, space-saving design.

In this article, we’ll take a closer look at these tiny titans of computing, discussing their benefits, features, and some top contenders in the market. So, buckle up, and let’s shrink our way into the world of the smallest ATX cases!

The Appeal of the Smallest ATX Case

Space-Saving Solutions

Smallest Atx Case Space-saving Solutions

The most prominent advantage of utilizing the smallest ATX case is its remarkably minimal footprint. In the current era of progressively limited living spaces, every square inch is of utmost importance. These compact cases serve as a significant lifesaver, enabling users to optimize their available workspace without sacrificing performance capabilities. In fact, the smaller size provides a greater opportunity to arrange computer components efficiently, while still maintaining the power and functionality of a larger system. This compact design not only conserves precious space but also enhances the aesthetic appeal of the overall setup, making it an excellent choice for those seeking both practicality and style.

Portability Perks

Smallest Atx Case Portability Perks

A more compact case equates to increased portability. This is particularly beneficial if you’re a digital nomad who constantly moves and works from various locations or a LAN party enthusiast who frequently attends gaming events. The smallest ATX case simplifies the process of transporting your computer rig, making it considerably more convenient. Say farewell to the days of struggling with cumbersome, heavy towers that cause back strain, and welcome the era of effortless mobility!

Aesthetic Allure

Smallest Atx Case Aesthetic Allure

There is an undeniable allure to a minimalist, sleek design that captures the attention of many. The smallest ATX cases frequently showcase clean lines and contemporary aesthetics, exuding a sense of sophistication and refinement. This makes them not just functional but also visually appealing, transforming them into a stylish and chic addition to any home or office environment. The purposeful blend of form and function creates an artful balance that appeals to a wide range of user preferences.

Top Contenders for the Smallest ATX Case Crown

Introducing the small form factor ATX case, the perfect combination of style and function! For those looking for an unobtrusive yet powerful computer system, the small ATX case offers a great solution. Not only does this type of computer tower save space and allow for a more aesthetically pleasing setup, but it also provides adequate room for cooling and plenty of power to run your favorite games or software. With its sleek designs and lightweight construction, these cases offer a great balance of style, convenience, and performance. Whether you’re looking to upgrade your gaming system or build a compact workstation, the small ATX case is sure to be an ideal choice.

#1 Corsair Carbide Series Air 540

Corsair Carbide Series Air 540

For those who assemble their PCs, finding the right case is crucial. The Corsair Carbide Series Air 540 is a top contender for its innovative features that promise to optimize cooling, cable management, and overall functionality. We’ll explore the design and build quality of the case, its airflow and cooling features, and its pros and cons.

Design and Build Quality

What sets the Air 540 apart from its competitors is its cube-shaped design. Measuring 16.3″ x 13.1″ x 18″, it is spacious enough for a variety of builds while still fitting comfortably on your desk. The case is made of a sturdy steel frame with plastic side panels that are easy to open and remove. The case also has a windowed side panel, allowing you to showcase your build. In terms of design, the cable-routing system is impressive and ensures a clean and neat build.

Airflow and Cooling

One of the standout features of the Air 540 is its innovative dual-chamber design, which separates the motherboard and GPU from the PSU and storage drives. This design helps improve airflow as hot air from the GPU and the motherboard is not recirculated through the PSU and storage drives. This leads to cooler temperatures throughout your system, helping you get the best performance out of your components.

Pros and Cons

  • The cube design is unique and stylish, with a unique cable management system.
  • The dual-chamber design is a great innovation that provides better-cooling airflow and helps avoid conflicts between hard drives and motherboards.
  • The five included fans provide good air circulation to keep your system running cool.
  • It’s a little larger and will only fit into tight spaces.
  • It only supports up to ATX motherboards and is incompatible with E-ATX or other larger form factors.


The Corsair Carbide Series Air 540, an innovative computer case, is available at a price point of approximately $149.99. While some may view this as slightly expensive, the case’s distinctive design and exceptional features ultimately make the investment worthwhile. Those who prioritize functionality and aesthetics will find that this high-quality choice more than justifies its price, delivering excellent value in the long run.

In summary, the Corsair Carbide Series Air 540 cube case is a great choice for an innovative, well-designed case for excellent performance and airflow. While it may be more expensive than some competitors, the features, overall functionality, and excellent build make it worth it.

#2 NZXT H510

Nzxt H510

At 16.85″ x 8.27″ x 18.11″, the H510 is a fan favorite for its elegant design, tempered glass side panel, and versatile cable management system. This case has gained popularity thanks to its sleek design, exceptional cooling, and cable management system. We’ll dive deep into the features and benefits that make the H510 case an excellent investment for gamers.

Design and Build Quality

At first glance, you’ll notice that the H510 has a minimalistic yet elegant design. The case features a tempered glass side panel to showcase your graphics card and RGB lighting. Moreover, its all-steel construction ensures durability and rigidity. Also, the case’s drive bays and cable management system are located out of sight behind the motherboard tray. The result of this design is a clutter-free build.

Airflow and Cooling

The H510 features a unique cooling system that ensures optimal performance. It has two 120mm Aer F fans mounted at the case’s front. These fans pull cool air into the case and expel warm air through the rear-mounted 120mm Aer F fan. Furthermore, a removable bracket at the front of the case supports up to three 120mm or two 140mm fans. As such, the H510 case provides excellent airflow and cooling options.

Pros and Cons

There are several advantages and disadvantages to the H510 case. Here are some of the most significant pros and cons:

  • Sleek design that complements any gaming setup
  • Great cooling performance thanks to the inclusion of two Aer F fans 
  • Supports larger graphics cards and CPU coolers
  • Has a comprehensive cable management system
  • Tempered glass side panel enhances build aesthetics
  • The all-metal design can cause the case to be heavy
  • The case’s internal space is somewhat limited, requiring a more compact build
  • Lack of sufficient ventilation points


The H510 case is available at a price point that varies between $70 and $100, depending on which retailer you choose to buy it from. While there may be alternative options out there in the market, it is crucial to take into account the value offered by its features, making this case a worthwhile investment. The combination of design, functionality, and affordability positions the H510 case as a top contender among the competition.

In summary, the NZXT H510 case is a solid option for a gaming PC. Its elegant design, cooling performance, and cable management system make it stand out from other cases in its price range. Although it has some limitations, the H510 case’s benefits outweigh its flaws. Whether you’re building a new PC or want to upgrade your current one, we highly recommend you consider the H510 case.

#3 Fractal Design Meshify C

Fractal Design Meshify C

This compact powerhouse measures 17.32″ x 8.46″ x 15.55″ and boasts a front mesh panel for optimal airflow and cooling performance. This compact powerhouse features a front mesh panel optimized for optimal airflow and cooling performance. We’ll take a closer look at the design and build quality of the Meshify C, its airflow and cooling capabilities, and its pros and cons to help you decide if it’s the proper case for your next gaming PC build.

Design and Build Quality

The Meshify C has a sleek, minimalist design that fits any setup. The case measures 17.32″ x 8.46″ x 15.55″, making it smaller than most mid-tower cases but still significantly larger than most mini-ITX cases. The front mesh panel is the standout feature of this case, and it’s not just for looks. The angular pattern of the mesh panel reduces the noise level and improves airflow, creating a more efficient cooling system. The tempered glass side panel provides a clear view of your components. At the same time, the cable management system keeps your build tidy and organized.

Airflow and Cooling

The Meshify C is designed for maximum cooling performance. The front mesh panel allows air to flow easily into the case, while the two included dynamic X2 GP-12 PWM fans pull air through the case and out the back. The case can accommodate up to six fans, including two 120mm or 140mm fans on the top, one 120mm fan on the bottom, and one 120mm fan on the rear. The case also includes a removable nylon filter to remove dust from your system. With all these features, the Meshify C ensures that your components stay cool during intense gaming sessions.

Pros and Cons

As with any product, there are pros and cons to consider when choosing the Meshify C for your gaming PC build.

  • Sleek, minimalist design
  • Optimized front mesh panel for efficient airflow and cooling
  • Tempered glass side panel for visibility and aesthetics
  • Cable management system for neat and organized build
  • Accommodates up to six fans for maximum cooling performance
  • Smaller than most mid-tower cases, which may limit some component compatibility
  • Limited water cooling options compared to larger cases
  • Limited RGB lighting options


The Meshify C stands out as a reasonably priced option for its extensive features and exceptional performance, with a price tag of approximately $100. Although one can find less expensive alternatives on the market, the Meshify C’s meticulously designed airflow and efficient cooling systems justify the investment, particularly for avid gamers who prioritize high-quality performance. These characteristics make the Meshify C an attractive choice for those seeking a balance between affordability and top-notch performance in their gaming setup.

In summary, the Fractal Design Meshify C is a compact powerhouse that delivers optimal airflow and cooling performance for your gaming PC build. Its sleek design, efficient front mesh panel, and included fans make it an excellent choice for gamers who demand the best performance from their components. While it may be smaller than some mid-tower cases and have limited water cooling options, its price point and overall cooling performance make it a solid choice for anyone looking to build a powerful gaming PC.

#4 Cooler Master MasterBox Q300L

Cooler Master Masterbox Q300l

With dimensions of 15″ x 9″ x 15″, this budget-friendly option offers a customizable I/O panel and magnetic dust filters for easy maintenance. In the world of PC components, Cooler Master has always been a prominent name known for offering quality products at a reasonable price. Among their product range is the Cooler Master MasterBox Q300L, a compact yet customizable computer case with a sleek design.

Design and Build Quality

The Cooler Master MasterBox Q300L is a budget-friendly mini-tower computer case with a sleek design and a build perfect for builders looking for a compact computer case that is easy to keep clean. It has a dimension of 15″ x 9″ x 15″, with an internal space that can accommodate motherboards ranging from Mini-ITX to Micro-ATX size. Its build quality is impressive for a budget-friendly product. It is made of polycarbonate and has a steel chassis, which provides it with increased durability and robustness.

Airflow and Cooling

The Cooler Master MasterBox Q300L is a budget-friendly case with excellent airflow due to its mesh front panel. This panel provides unobstructed airflow to the front intake fans, which helps in keeping the components cool. The case supports one 120mm front fan, two 120mm top fans, and one 120mm rear fan. The case also has a magnetic dust filter, which can be easily removed and cleaned, ensuring that the components receive the proper airflow and that dust accumulation does not become a problem.

Pros and Cons

  • Budget-friendly, customizable I/O panel, and sleek design.
  • Good cable management
  • Supports multiple storage options
  • Includes a pre-installed 120mm fan
  • Magnetic dust filters that are easy to clean
  • Can accommodate large GPUs and CPU coolers
  • No RGB lighting
  • Limited space for cable management
  • It can be not easy to install a bottom-mounted PSU
  • Limited clearance for large radiators


At the time of writing, the Cooler Master MasterBox Q300L, a sought-after computer case, is available at an affordable price of around $45. This price point, when coupled with its impressive features, makes this budget-friendly choice truly unbeatable. In fact, it is considered one of the most cost-effective options currently on the market for those interested in a high-quality case without breaking the bank.

In summary, the Cooler Master MasterBox Q300L is a budget-friendly, customizable, and efficient computer case designed specifically for compact cases that can fit into a small space. Its overall design is sleek, and the build quality is impressive for its price. The case supports multiple storage options, and its airflow is excellent due to its front mesh panel. The magnetic dust filters also ensure that maintenance is effortless, making it ideal for those who want to streamline their builds. In conclusion, the Cooler Master MasterBox Q300L is an excellent investment for budget-conscious builders who do not want to compromise on quality.

#5 Thermaltake Core V21

Thermaltake Core V21

This spacious mid-tower case measures 17.72″ x 8.86″ x 18.11″ and offers a modular design with interchangeable panels for improved airflow and cable management. The Thermaltake Core V21 is a highly-recommended modular case offering customizable options for builders. We will take you through the design and build quality, airflow, cooling, and the pros and cons of this mid-tower case.

Design and Build Quality

The Thermaltake Core V21 has a unique cube design that allows users to install various hardware components. The chassis is made of steel and measures 17.72″ x 8.86″ x 18.11″. The case weighs 13.2 pounds and has a windowed side panel, which lets you showcase your hardware. The case panels are interchangeable so that you can customize the case’s look. The Core V21 has two USB 3.0 ports, two USB 2.0 ports, and audio in/out jacks, all located on the front of the case for easy access.

Airflow and Cooling

The Thermaltake Core V21 offers excellent airflow due to its modular design. The case includes two 200mm fans pre-installed on the front and a 140mm fan on the rear. Airflow is improved by removing the hard disk drive cage or relocating it to make room for a larger radiator. The Core V21 also allows for the installation of multiple graphics cards, which is becoming more common in high-end gaming rigs. The Core V21 provides ample space for CPU air coolers up to 185mm tall.

Pros and Cons

  • Customizable and modular design
  • Excellent airflow and cooling options
  • Spacious and versatile for builders to install a variety of hardware
  • Multiple mounting options for a variety of radiators
  • The removable hard-drive cage provides flexibility in the installation
  • Dust filters are easy to remove and clean
  • The case is quite bulky for a mid-tower
  • Lack of built-in cable management options
  • The fans can be noisy
  • The case does not have a reset switch
  • Mounting the power supply can be a bit tricky


The Thermaltake Core V21, a versatile and adaptable PC case, can be found at a price range of $70 to $90, which may vary based on the vendor and product availability. This attractive price point makes it an excellent choice for those seeking a case that provides a high degree of flexibility in terms of installation and configuration.

In summary, the Thermaltake Core V21 is a great case for builders looking for a customizable, modular, and versatile chassis that can accommodate a variety of hardware components. While it may have a few drawbacks, the case’s overall design and excellent cooling options make it a great buy for those looking for a mid-tower case. With its reasonable price range and high-end features, we highly recommend the Thermaltake Core V21 for all your building needs.

#6 InWin 301C

Inwin 301c

The smallest of all the cases listed, this mini-ITX case measures 10.6″ x 9.5″ x 12.2″ and is ideal for small form-factor builds due to its high-end construction materials, elegant design, and adjustable I/O panel. This mini-ITX case is small, but it’s high-end construction materials and elegant design make it an excellent choice for building a powerful computer that only takes up a little space.

Design and Build Quality

The InWin 301C has a tempered glass side panel that provides a clear view of the inside of your computer. The case is available in black and white colors. Its minimalist design makes it a perfect fit for any modern setup. The case is built with SECC steel, known for its durability and sturdiness. The case has a solid feel, and the various components fit well together.

Airflow and Cooling

The InWin 301C has a unique internal design for optimal airflow and cooling. The case has a support bracket that allows you to install a large CPU cooler or a water-cooling system. The case has four pre-installed 120mm fans, two at the front and two at the back, that provide adequate cooling for most builds. The case has enough room for up to three 120mm fans at the front and one 120mm fan at the back.

Pros and Cons

  • Great build quality and design
  • Excellent airflow and cooling
  • Easy to build in
  • Tempered glass side panel
  • Adjustable I/O panel
  • Limited support for full-size graphics cards
  • No support for optical drives
  • No RGB lighting


The InWin 301C carries a price tag of approximately $100, positioning it at a slightly higher price point compared to other mini-ITX cases available in the market. Nevertheless, when factoring in the robust build quality, sophisticated design, and outstanding airflow and cooling capabilities, it becomes evident that the case warrants the additional expenditure. The combination of these attributes renders the InWin 301C a solid choice for those looking for a mini-ITX case that offers both form and function.

In summary, the InWin 301C is an excellent choice for anyone looking for a small form-factor case accommodating a powerful computer build. Its high-quality construction materials, elegant design, and excellent airflow and cooling make it an ideal choice for gamers and professionals alike. While it may be more expensive than some other mini-ITX cases on the market, in terms of quality and functionality, the InWin 301C is worth every penny.

#7 Corsair Carbide Series 175R RGB

Corsair Carbide Series 175r Rgb

With a convenient front panel access door, five fan mounting locations, and a tempered glass side panel, this mid-tower case measures 16.48″ x 8.3″ x 18.54″. It also has a dedicated cable routing compartment for improved cable management and airflow. The Corsair Carbide Series 175R RGB is a mid-tower case that offers both form and function in one package. We’ll dive deep into its design, cooling features, pros, and cons to help you decide if this is the case for you.

Design and Build Quality

The Corsair Carbide Series 175R RGB features a sleek, minimalist design that complements any setup. The front panel access door provides easy access to the internal components. It adds a layer of sophistication to the case. The tempered glass side panel showcases your parts and adds a premium feel to your build. The front panel features a brushed aluminum finish, which looks good and provides durability.

The build quality of the case is solid, with sturdy steel panels and a durable tempered glass side panel. The case measures 16.48″ x 8.3″ x 18.54″, making it a mid-tower case that can fit most standard components. The dedicated cable routing compartment helps improve cable management and increase airflow, further enhancing the thermal performance of your build.

Airflow and Cooling

The Corsair Carbide Series 175R RGB features five fan mounting locations, so you can have multiple fans to optimize airflow, especially with a third-party CPU cooler. The case supports up to three 120mm fans or two 140mm fans at the front, two 120mm fans at the top, and one 120mm fan at the rear. The included RGB fan at the front extracts heat from your build components well. Still, more is needed to provide sufficient cooling for more advanced builds.

Pros and Cons

  • Sleek and minimalist design
  • Dedicated cable routing compartment for improved airflow and cable management
  • Comes with an included RGB fan and other fan mounting locations to improve airflow
  • The front panel might not provide sufficient airflow for advanced builds
  • Some users may find that the case is a bit expensive


The Corsair Carbide Series 175R RGB offers a great balance of features and pricing, making it an attractive choice for many consumers. Retailing at approximately $68, this case provides a good value for money proposition considering its range of features, build quality, and design aesthetics. However, the price point might still be considered slightly steep for a few users who are on a tighter budget or seeking a more affordable option.

In summary, the Corsair Carbide Series 175R RGB mid-tower case is an excellent option for PC builders who want aesthetically pleasing and functional. Its sleek and minimalist design, the dedicated cable routing compartment, and the tempered glass side panel make it a premium product in the market. The five fan mounting locations improve airflow and cooling, but some advanced builders may need more than the front panel fan. However, considering the price and the build quality, the Corsair Carbide series 175R RGB is an excellent option at a reasonable price.

#8 Thermaltake View 51 TG ARGB

Thermaltake View 51 Tg Argb

This full-tower case offers the most expansive interior space, measuring 24.41″ x 10.83″ x 22.05″, and features three 5mm tempered glass panels, four 140/200 fans, an adjustable 3-way GPU support bracket, and two pre-installed 200mm ARGB fans for a stunning display of RGB lighting. With eight PCI slots for expansion cards, it’s perfect for high-end builds that require plenty of space.

Choosing the right case can drastically improve your computer’s performance, airflow, and aesthetics. One case that has caught the attention of many PC enthusiasts lately is the Thermaltake View 51 TG ARGB. We’ll look at this full-tower case in-depth, examining its design, build quality, airflow, cooling, pros, cons, and price.

Design and Build Quality

The Thermaltake View 51 TG ARGB is a premium-looking case with three 5mm tempered glass panels that offer an unobstructed view of all your internal components. The build quality is excellent, with the panels fitting snugly into a sturdy frame made of cold-rolled steel. The front panel features a brushed aluminum finish with a honeycomb pattern, adding to the case’s premium look and feel.

Airflow and Cooling

One of the main selling points of the Thermaltake View 51 TG ARGB is its excellent airflow and cooling capabilities. The case comes pre-installed with two 200mm ARGB fans, providing excellent airflow and adding a stunning light display to your build. Additionally, the case has room for up to four additional 140mm or 200mm fans, giving you plenty of options for customizing the cooling system to your liking. Cable management is also made easy with the ample space in the rear of the case for cable routing.

Pros and Cons

  • Spacious interior perfect for high-end builds
  • Three 5mm tempered glass panels for unobstructed views
  • Excellent airflow and cooling capabilities
  • Easy cable management thanks to ample space in the rear of the case
  • Heavy and bulky due to its size and sturdy build
  • Lack of USB Type-C front panel port
  • Expensive compared to some similar cases on the market


At present, the Thermaltake View 51 TG ARGB carries a price tag of approximately $190. While this may seem relatively costly in comparison to other similar cases available in the market, the price appears justifiable when taking into account the outstanding build quality, ample interior space, and superior cooling performance that this particular case has to offer. Consequently, despite its higher price, the Thermaltake View 51 TG ARGB stands out as a worthwhile investment for those seeking an exceptional and reliable product.

In summary, the Thermaltake View 51 TG ARGB is an excellent choice for anyone building a high-end PC. The case’s premium build quality, spacious interior, excellent cooling capabilities, and stunning ARGB lighting make it a standout product in the crowded PC case market. While it may be relatively expensive, the case’s features and performance justify the price for those who value quality above all else. We highly recommend the Thermaltake View 51 TG ARGB to anyone looking for a top-of-the-line PC case.


The smallest ATX case offers an impressive combination of compact design, portability, and style, all while accommodating the powerful ATX motherboard standard. Whether you’re looking to save space, transport your rig easily, or create a sleek, minimalist setup, the smallest ATX case is a game-changer in custom PC building. Just remember to double-check compatibility, prioritize cooling, and choose the suitable materials to ensure your tiny titan performs just as well as its larger counterparts.

So, what are you waiting for? Get ready to build your dream PC, and don’t be surprised if good things come in small packages!

Frequently Asked Questions

What is an ATX case, and how does it differ from other cases?

ATX (Advanced Technology eXtended) is a motherboard form factor standard that defines the board’s size, shape, and layout. An ATX case is designed to accommodate ATX motherboards, which typically offer more expansion slots and features than their smaller counterparts, such as microATX and mini-ITX.

How do my components fit the smallest ATX case?

Always check the case manufacturer’s specifications for compatibility, including maximum GPU length, CPU cooler height, and PSU size. It’s also wise to read user reviews and consult online forums for advice from fellow builders.

Are there any drawbacks to using the smallest ATX case?

One potential downside is limited cooling solutions and cable management space. However, many of the smallest ATX cases are designed with these challenges in mind and include innovative features to mitigate these issues.

Can the smallest ATX case impact the performance of my PC?

While the smallest ATX case can present particular challenges regarding cooling and cable management, as mentioned earlier, many of these cases are designed to address these concerns. As long as you choose a well-designed case and ensure proper airflow, your PC’s performance should not be adversely affected.

How important is the choice of material for the smallest ATX case?

The choice of material can impact the case’s durability, weight, and heat dissipation. Popular materials include steel, aluminum, and tempered glass. Steel cases are usually more affordable and robust, while aluminum cases are lighter and offer better heat dissipation. Tempered glass side panels are often included for aesthetic purposes and to showcase your components.

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