6 Best Smallest ATX Cases

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Smallest ATX Cases

The gaming industry is evolving at a rapid pace. Once, it was just a hobby with little to no financial value. However, now gaming has become one of the career options. Tournaments are arranged internationally and nationally, and winners are declared based on their performances.

Due to such a rise in gaming trends, the tech industry has also evolved. The market has become a hub of new equipment that can be used to build spectacular gaming PCs. The most impressive part of a PC is the ATX case. Those who take a more manual approach to gaming PCs and love building their own systems will be familiar with the ATX cases.

Among various ATX cases, the micro models have risen in demand. Gaming PC builds using the ATX cases have amazing aesthetic appeal and are also quite affordable. Apart from that, small ATX cases are used to install motherboards with Micro-ATX or Mini-ITX form factors. Their size is ideal for constructing a powerful PC at a reasonable cost. Integrating them into your gaming setup will leave behind enough room to build large GPUs and install cooling systems.

We’ve researched and selected some of the best smallest ATX cases the market has to offer. Each this model is given a list of pros and cons, along with important specs. Given below are some of our best smallest ATX cases from the market.

Specs

  • Exterior Color: Black
  • Materials: Steel, Acrylic
  • Dimensions: 386 (L) x 230 (W) x 381 (H) mm
  • Motherboard Support: ATX, Micro ATX, Mini ITX

2. Runner-up

Corsair Carbide 175R

Specs

  • Exterior Color: Black
  • Materials: Steel, Tempered Glass
  • Dimensions: 418mm x 210mm x 450mm
  • Motherboard Support: ATX, Micro ATX, Mini ITX

3. Best Cube Case

Thermaltake Level 20 VT

Specs

  • Exterior Color: Black
  • Materials: SPCC
  • Dimensions: 348 x 330 x 430 mm
    (13.7 x 13 x 16.9 inch)
  • Motherboard Support: Micro ATX, Mini ITX

4. Budget Choice

Thermaltake Versa H17

Specs

  • Exterior Color: Black
  • Materials: SPCC
  • Dimensions: 398(H) x 205(W ) x 438(D)
  • Motherboard Support: Micro ATX, Mini ITX

5. Best For Gaming

Thermaltake Core V21

Specs

  • Exterior Color: Black
  • Materials: SPCC
  • Dimensions: 336 x 320 x 424 mm (13.2 x 12.6 x 16.7 inch)
  • Motherboard Support: Micro ATX, Mini ITX

6. Best Premium

Corsair Crystal 280X RGB

Specs

  • Exterior Color: White
  • Materials: Steel, Tempered Glass
  • Dimensions: 398mm x 276mm x 351mm
  • Motherboard Support: Micro ATX, Mini ITX

Our Top Picks: Best Smallest ATX Cases

6 Best Smallest ATX Cases

1. Cooler Master MasterBox Q500L

The Best Overall

Specs

  • Exterior Color: Black
  • Materials: Steel, Acrylic
  • Dimensions: 386 (L) x 230 (W) x 381 (H) mm
  • Motherboard Support: ATX, Micro ATX, Mini ITX
  • Expansion Slots: 7
  • Drive Bays: 2.5″ / 3.5″ (combo) x2 (each bay supports: 1 HDD or 2 SSDs)
  • I/O Panel: 2x USB 3.0, 1x 3.5mm Audio Jack, 1x 3.5mm Mic Jack
  • Pre-installed Fans – Rear: 1x 120mm
  • Weight: ‎3.82 kg / 8.43 lbs
  • Power Supply Support: Top Front Mount, ATX PS2
  • Form Factor: Mid Tower

PROS

  • Noise cancellation
  • Versatile PSU Bracket
  • Magnetic Dust Filters
  • Amazing filtration systems
  • High-end components support

CONS

  • Space for radiator is limited
  • Tempered glass is preferred over acrylic for the side panel.

Cooler Master MasterBox Q500L

This model could be the smallest ATX cases that has moveable I/O panel. It can be one of the niftiest options when it comes to personal customization. The I/O panel can be easily relocated to multiple positions, which makes it accessible.

For various clearance requirements and motherboard form factors, the model comes with a versatile PSU bracket. The bracket can shift up or down for radiator/graphics card clearance.

A fully perforated chassis allows for the incredible configuration of the fans. The rear, front, top, and bottom panels are perforated which allows amazing airflow. It also facilitates a proper cooling system.

Cooler Master MasterBox Q500L

One of the best features of this ATX case is that it has magnetic dust filters. These magnetic dust filters allow a quick removal and easy installation as well as cleaning of the dust filters. The best part about these dust filters is that you will not need frequent cleaning of your systems.


2. Corsair Carbide 175R

The Runner-up

Specs

  • Exterior Color: Black
  • Materials: Steel, Tempered Glass
  • Dimensions: 418mm x 210mm x 450mm
  • Motherboard Support: ATX, Micro ATX, Mini ITX
  • Expansion Slots: 7
  • Drive Bays: (x2) 3.5in (x2) 2.5in
  • I/O Panel: (2x) USB 3.0, (1x) Audio in/out
  • Pre-installed RGB Fans – Front: 1x 120mm
  • Weight: 6.1 kg
  • Power Supply Support: ATX
  • Form Factor: Mid Tower

PROS

  • Easy installation of the components
  • Good airflow and thermal management system
  • Top-mounted dust filter that is removable
  • Storage Space is good for most people
  • A good aesthetic appeal for more people

CONS

  • Not suitable for liquid cooling custom system
  • The back panel doesn’t leave much room for cable management
  • The interior space is quite limited

Corsair Carbide 175R

Corsair Carbide 175R packs a ton of features. It facilitates a tinted tempered glass side panel that makes RGB lighting quite appealing and easy to the eyes. It can be great for people who want a visual appeal to their cases but want excessive lighting to be in control. The aesthetics don’t end here. The plastic front panel follows a brushed design, with pre-installed 120mm RGB fan inside, along with an illuminated Corsair logo.

The airflow design is quite optimal. The ventilation system is present on the bottom and top of the front panel, allowing enough breathing room for the intake fans. The top of the micro-ATX facilitates a power and reset button, along with two USB 3.0 ports and headphone/microphone ports.

When it comes to fan customization, the system offers a few options. You can control the single 120mm RGB fan by the software using the motherboard’s standard RGB header. There is also enough room for a 280mm radiator to be installed on top of the clearance.

The cable management has been a pain point when it comes to the product. A few people have complained about the lack of a proper cable management system. The model contains rubber grommets for cable management. The height clearance at the top of the micro-ATX case also helps with cable management. However, the back panel has been reported to be incompatible with cable management.

The air cooling system of the micro-ATX system is optimal. However, when it comes to the manual installation of cooling systems, this model is not a good choice. The reason is that there is no room for liquid cooling custom systems to be installed in the current model.


3. Thermaltake Level 20 VT

The Best Cube Case

Specs

  • Exterior Color: Black
  • Materials: SPCC
  • Dimensions: 348 x 330 x 430 mm
    (13.7 x 13 x 16.9 inch)
  • Motherboard Support: Micro ATX, Mini ITX
  • Expansion Slots: 5
  • Drive Bays: 3.5’’ or 2.5” x 3 , 2.5’’ x 3
  • I/O Panel: USB 3.0 x 2,USB 2.0 x 2, HD Audio x 1
  • Pre-installed Fans – Front: 1x 200mm
  • Weight: 8.66 kg / 19.09 lb
  • Power Supply Support: Standard, PS2 PSU (optional)
  • Form Factor: Micro Case

PROS

  • Look great with four tempered glass side panels.
  • A lot of customization options
  • Drive Bays 3.5″ or 2.5″ could be removable.
  • A lot of positioning options
  • Liquid cooling support

CONS

  • Cable management is quite difficult
  • The ventilation system is below par
  • Fans could have been increased to increase airflow

Thermaltake Level 20 VT

This model follows the golden rule of “small footprint, big possibilities.” It is optimized for managing space and making way for a lot of components. It is that feature that has attracted the attention of a lot of hardcore gamers. The drive racks are removable and can be replaced with other suitable options.

When it comes to the structure, the micro-ATX case is both appealing and practical. Its tempered glass panels are quite durable and more resistant to dust and scratches.

The ventilation system is quite optimal with the support of more than one fan. The best part about its ventilation system is that the model can handle a liquid cooling system.


4. Thermaltake Versa H17

The Budget Choice

Specs

  • Exterior Color: Black
  • Materials: SPCC
  • Dimensions: 398(H) x 205(W ) x 438(D)
  • Motherboard Support: Micro ATX, Mini ITX
  • Expansion Slots: 4
  • Drive Bays: 2 x 2.5″ ; 2 x 3.5”
  • I/O Panel USB: 3.0 x 1, USB 2.0 x 2, HD Audio x 1
  • Pre-installed Fans – Rear: 1x 120mm
  • Weight: 4.5 kg / 9.92 lbs
  • Power Supply Support: Standard, PS2 PSU (optional)
  • Form Factor: Micro Case

PROS

  • Great for the entry-level PC gamers
  • Very easy on the wallet
  • Quality cable management
  • Liquid Cooling Compatible

CONS

  • No transparent side panel or window
  • Lack of dust filters
  • The front and side air cooling is reported to be below par

Thermaltake Versa H17

The Thermaltake Versa H17 is a great choice for all entry-level PC gamers. If you don’t care about a high-end PC and consider gaming a hobby, then this is a great option. Many features make this micro-ATX a good choice.

This is the most appealing PC case model for those on a budget-conscious. You can easily purchase it without going overboard. Apart from that, the design facilitates flawless cable management. You will never have to worry about entangled wires or short circuit hazards. The manageable wire system also ensures that the airflow remains unhindered. The pre-mounted PSU cover facilities the bottom area of the case to be used for managing the unused cables.

The micro-ATX is AIO liquid cooling compatible and supports ample ventilation options. Aesthetic-wise, the manufacturers ensured a simple yet stunning design. The aluminum brushed-like front panel masks the extrusive drive devices. It provides an elegant yet simplistic appearance.

There are ample ventilation options for the current product. It also supports the latest PC hardware, along with high-end GPU options. The I/O ports are very accessible and can be easily approached whenever required.


5. Thermaltake Core V21

The Best Cube for Gaming

Specs

  • Exterior Color: Black
  • Materials: SPCC
  • Dimensions: 336 x 320 x 424 mm (13.2 x 12.6 x 16.7 inch)
  • Motherboard Support: Micro ATX, Mini ITX
  • Expansion Slots: 5
  • Drive Bays: 3 x 3.5’’ or 2.5” , 3 x 2.5’’
  • I/O Panel: USB 3.0 x 2, HD Audio x 1
  • Pre-installed Fans – Front: 1x 200mm
  • Weight: 2.0 kg / 4.41 lbs
  • Power Supply Support: Standard, PS2 PSU (optional)
  • Form Factor: Micro Case

PROS

  • Size, motherboard, and panels follow a neat orientation
  • Incredible room for cooling system
  • 200 mm pre-installed fan
  • Modular design
  • Equipped with magnetic dust filters

CONS

  • The material quality used in the build could be better
  • Noise issues
  • Side panels can cause issues, especially when they are not attached

Thermaltake Core V21

Arguably, one of the best features of this micro-ATX is that it can be combined with another V21 core for a dual system. It is a great option for gamers who prefer to build manual systems for flawless performance. The model allows a lot of customization for enthusiasts. It can be used in either vertical or horizontal orientation on the motherboard. Adjustments to the chassis can be made for the best viewing presentation.

At the bottom panel, there is a removable PSU dust filter. It ensures the proper cleaning of the inner system. The best part is that you can replace it with another dust filter model if the need arises.

Since the system allows for expansion, you can opt for more storage. The users can install six data storage devices. Even with the presence of a high-wattage PSU of 200mm, there is still a lot of space available. The designers have cleverly designed the micro-ATX to facilitate a cable management system, despite the heavy storage capabilities.

For facilitating the additional storage, the micro-ATX allows excellent thermal management, facilitating a lot of fans and radiators.


6. Corsair Crystal 280X RGB

The Best Premium

Specs

  • Exterior Color: White
  • Materials: Steel, Tempered Glass
  • Dimensions: 398mm x 276mm x 351mm
  • Motherboard Support: Micro ATX, Mini ITX
  • Expansion Slots: 4
  • Drive Bays: (x2) 3.5in (x3) 2.5in
  • I/O Panel: 2x USB 3.0, audio/mic jacks
  • Pre-installed RGB Fans – Front: 2x 120mm
  • Weight: 7.24 kg
  • Power Supply Support: ATX
  • Form Factor: Small Form

PROS

  • Aesthetically pleasing
  • Water cooling support
  • Three side panels of tempered glass
  • Sleek and compact case
  • Magnetic dust filters
  • Pre-installed RGB fans

CONS

  • A little pricey
  • USB Type-C is not supported
  • Cable management is not obvious

Corsair Crystal 280X RGB

Are you looking for products that don’t compromise on looks or performance? Look no further, as this micro-ATX case might exactly be what you are looking for. Corsair Crystal 280X RGB follows a unique cube design that doesn’t compromise either on performance or style.

It comes with three glass panels which you can thoroughly enjoy. Apart from that, the model also facilitates lighting control which can be a plus for those gamers who want to have a choice in that matter. Two RGB fans that come mounted offer a brilliant airflow. Note that you also have options of installing more fans in the rear and other sides for additional airflow. There is room for up to six 120 mm cooling fans. Apart from that, the design of the micro-ATX also supports three 240 mm radiators (one on the roof, one in the front, and one on the floor).

Design-wise, the three tempered glass panels are some of the best visually appealing choices that you can find for yourself. A dedicated storage compartment for drives is present. The design comes with built-in storage for two 3.5 inches drives and three 2.5 inches drives. You can keep your system clean without sacrificing your storage capacity. Filter-wise, the dust filters installed on the roof, floor, front, and PSU are incredible at keeping your system clean.

The only drawback with this model is mediocre temperature support. Apart from that, this micro-ATX case is quite pricey and not suitable at all for many people who want to go for a reasonably priced option.


Guide to Buying the Best Smallest Micro-ATX Cases

You need to be aware of a few things before you purchase your Micro-ATX case. You will need to consider those things as failure to do so will result in the purchase of a model that will not be compatible with your system. To avoid such a mishap, let us look at a few attributes of the Micro-ATX cases.

Form Factor

A form factor is basically the size of your motherboard in terms of ATX. Usually, depending on how large your motherboard is, you can either fit ATX, micro-ATX, or mini-ITX with your gaming setup. Motherboards can facilitate different sizes depending on their form factor. The mini-ITX case is the smallest, while the ATX case is the largest.

Smaller ATX cases have lesser features. However, they can leave behind much room for other components. If you are looking for features, then micro-ATX isn’t probably the best choice. The normal ATX case will be the right choice for you. If you desire space, then consider purchasing a micro-ATX case.

The Capability of the ATX case

You will need to be aware of your ATX case’s capability. It might be possible that you may end up purchasing a micro-ATX case that may not support a large GPU unit. Similarly, other components can also face a similar issue. Several coolers and GPU units may not be compatible with the micro-ATX unit.

Do a complete analysis of your PC, and note the components. Your aim is to find the best micro-ATX case that is supported well by the other hardware components of your PC.

Managing the Components

Sometimes, several other factors can be completely ignored, such as cooling system management, building enough space for other components, and routing the proper cables to ensure that they look clean. Even if you have found a compatible micro-ATX case, you will notice that failure to manage your other components can result in a complete mess. You will need to manage the cables, along with placing the other components in such a way that they don’t look cramped.

Final Verdict

There is no one-size fits all option when it comes to purchasing smallest ATX cases. In this article, 6 best smalest ATX cases have been given. Each option appeals to a different kind of gamer.

Among the ATX series, the Thermaltake series seems to be among the most talked about smallest cases compared to the rest. However, among all the various options that have been given here, the best option is arguably Cooler Master MasterBox Q500L. Apart from boosting good aesthetic appeal, the systems often pack a lot of other features, along with facilitating feasible price options. That’s not all! It also facilitates powerful ventilation and cooling system that allows for an amazing thermal regulation system. The best part is that the price is also very feasible and doesn’t break your wallet.

Cooler Master MasterBox Q500L is a good option for gamers who prefer a more manual approach to their PCs. With different uses and financial capabilities, you can also consider the remaining options to select the best small ATX cases for yourself.

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