9+ Best Smallest ATX Cases 2022 You Can Get

So you have chosen the main components for your PC. It is presently time to acquire the best case to house your system. However, you cannot find the perfect case since you want the smallest ATX case possible. We’ve produced a list of the best compact cases that fit ATX components without performance sacrifices. In addition, we have included supplementary advice on the most important factors to consider when selecting the appropriate small form factor ATX case. As PC components continue to shrink, choosing a diminutive chassis is logical. You’ll build a PC that can fit even the smallest spaces yet is still powerful enough for 4K VR gaming. Or function as your productivity powerhouse without occupying all of your workspaces.

Buying Tips For The Smallest ATX Cases

Even though it is a small form factor ATX case, it will accommodate normal ATX components. When buying compact cases, you should focus on the following:

Components Of The Build – If you already have the main components of your build, you should choose a case with ample space for them. Not a snug fit that will make the experience difficult. Examine the CPU height, GPU length, and power supply length.

Case Build-Quality – Do not be fooled by attractive cases made with inferior materials. All-steel or aluminum cases provide the most durable chassis.

Expandability – Consider how simple it will be to expand your system in the future. More drive bays and PCIe slots mean that you may add more components to improve the system’s performance.

AirFlow – Besides selecting a case with a spacious layout, pay attention to the cooling options. Most compact ATX cases have fan/radiator positions that are poorly engineered. There are some with less than two 120mm fan options. Ensure that your ideal case has the best airflow to keep your system running cool.

Cable Management – Consider cable management with airflow and interior space. Choose options with cable routing channels and cut-out areas.

9+ Best Smallest ATX Cases 2022 You Can Get

Smallest ATX Cases 2022 you can get.

1. Cooler Master Q500L

Smallest ATX Cases

It is the successor to last year’s outstanding Micro ATX case, the Q300L. The Q500L is only a little bigger and now supports ATX motherboards! The airflow-optimized front and top panels, the enormous side panel window, and the abundance of fan mounts make this one of our top choices for the smallest ATX case. Moreover, it is the best case for high airflow.


1 – It supports ATX, Mini-ITX, and Micro-ATX. 

2 – Made of premium steel and polymer, with a mesh front bezel.

3 – Maximum: 334mm GPU length, 180mm CPU cooler height, and 180mm PSU length.

4 – Includes two x 3.5″/2.5″ internal drive bay plus two x 3.5″/2.5″ and two x 5.25″ external drive bays. 

5 – Supports up to four fans: a 200mm fan on Top, two 120mm fans in the front, and a 120mm rear fan. 

6 – Includes seven PCI-E for expansion. 

7 – Front I/O has two USB 3.0 ports and audio input/output.

8 – Two Top-Panel designs: windowed for display or mesh for optimum cooling.

The front of the case is equipped with two robust XtraFlo fans. In addition, it can support a 240mm radiator for effective airflow to keep the system cool. In addition to being one of the smallest ATX cases, the Q500L is also one of the best.

2. Corsair Carbide Air 540

Smallest ATX Cases

Corsair is renowned for creating high-quality PC products. Well, the Carbide Air 540 compact PC case is one of the company’s best PC cases for smaller, more organized builds. It features a dual-chamber cube design. The drives and PSU are located in the rear chamber, and the motherboard, CPU, GPU, and memory care are in the main chamber. As a result of the direct airflow striking the main chamber components, the system operates cool. Therefore, it is excellent for those who like to overclock their system and push it to its maximum. Additionally, it is the best compact ATX case overall.


1 – It supports E-ATX, ATX, Mini-ITX, and mATX. 

2 – It supports up to six x 120mm or five x 140mm case fans. 

3 – Features four x 2.5″, two x 5.25″, and two x 3.5″ drive bays. 

4 – Three pre-installed 140mm intake and exhaust Corsair Air Series AF140L fans.

5 – Maximum: 320mm GPU length, 170mm CPU cooler height, and 250mm standard ATX PSU length. 

6 – Front dust filter included to keep the build clean.

7 – A flush-mount, edge-to-edge tinted side window (Acrylic).

8 – Includes eight PCI-E slots. 

9 – Front I/O has two USB 3.0 ports and audio input/output.

This chassis provides ample space for installing high-performance cooling. You may install a 360mm liquid cooler or a 280mm top radiator on the front panel. It is the best compact ATX case available. Its superior design features high-performance air cooling and a roomy interior for expansion.

3. Cooler Master HAF XB EVO

Smallest ATX Cases

It is excellent at managing the thermal levels of any high-end PC, as its name indicates. With support for many fans, a 240mm radiator at the front, and a 120mm radiator at the rear, the HAF XB provides excellent airflow. It even comes with two 120mm XtraFlo fans fitted. You may remove the side panels to improve ventilation further. Four dust panels aid in preventing the collection of dust. This simplifies maintenance considerably.

The detachable motherboard tray is among the nicest features of the HAF XB EVO. This is great for hobbyists who wish to bench test their setups. The detachable hard drive trays require no additional tools. This affords the HAF XB greater adaptability. It features strong side handles that make it a highly portable PC case. With this case, builders will acquire an exceptional case. There is much room for customization, and thermal regulation is suited for any high-end PC. However, it might not be easy to assemble and is not the most compact PC case. Also, it is the best for LAN party.

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1 – It supports ATX, Mini-ITX, and mATX. 

2 – It supports one x 200mm fan on the Top, two x 120mm or two x 140mm fans at the front and one x 120mm or two x 80mm fans in the rear. 

3 – Two 120mm XtraFlo fans are pre-installed on the front. 

4 – Includes four x 2.5″/3.5″ and two x 5.25″ bays. 

5 – Maximum: 334mm GPU length, 180mm CPU cooler height, and 180mm standard ATX PSU length. 

6 – To maintain a clean build, four dust filters (one x Top, one x Bottom, and two x Side) are included.

7 – Includes seven PCI expansion slots. 

8 – Front I/O has two USB 3.0 ports and HD Audio input/output.

The Cooler Master HAF XB EVO features one of the market’s best ventilation systems. Its robust design, extensive customizability/expandability options, and portability make it the ideal choice for a gamer.

4. Lian Li O11-Dynamic-Mini

Smallest ATX Cases

It is a lovely small form factor chassis that is a scaled-down version of the original PC-O11 Dynamic. In making the O11-Dynamic Mini more compact, Lian Li has not taken any shortcuts. An ATX motherboard may fit in the O11-D Mini. The O11-D Mini offers excellent cable management and temperature control for a small case. You may attach up to nine 120mm fans or six 140mm fans, and you can modify the case to support water cooling. There are relatively few factors that may convince builders to abandon the O11-D Mini. The absence of support for a standard ATX PSU is one such issue. This is logical considering the chassis’s compact size. The O11-Dynamic Mini supports SFX and SFX-L power supplies. Additionally, it is the latest small ATX case.


1 – It supports E-ATX (under 280mm width), ATX, Mini-ITX, and mATX. 

2 – It supports three x 120mm or two x 140mm case fans on the Top, two x 120mm or two x140mm fans on the side, three x 120mm or two x 140mm fans at the bottom, and one x 120mm fan in the rear. 

3 – Includes two x 2.5″/3.5″ SSD/HDD (back), and two x 2.5″ SSD (Right). 

4 – Maximum: 395mm GPU length, 172mm CPU cooler height, and SFX or SFX-L PSU. 

5 – To maintain a clean build, four dust filters (one x Top, one x Bottom, and two x Side) are included.

6 – Includes seven horizontal PCI expansions. 

7 – I/O has two USB 3.0 ports, one USB 3.1 Type-C port, and one HD Audio.

For a small case, the O11-Dynamic-Mini spares no expense. Well, it can support full-size ATX motherboards, 3.5-inch hard drives, and even a water cooler, and it has excellent cable management.

5. SilverStone Grandia GD09

Smallest ATX Cases

The SilverStone Grandia GD09 is designed to provide the best Home Theater PC (HTPC) experience possible, as seen by its form factor. Additionally, it is best for ATX HTPC builds.


1 – It supports SCI-CEB, Micro ATX, and ATX. 

2 – GPU Length: 309 mm. 

3 – CPU Cooler Height: 138 mm. 

4 – Pre-installed Fans: one 120 mm intake fan on the right. 

5 – Fan Slots Available: Up to three 120 mm fans. 

6 – Side Panel Window: N/A. 

7 – PSU Size Support: 140 mm (standard ATX). 

8 – I/O has two USB 3.0 ports and one Audio. 

9 – Supports both the Kensington lock and rack installation.

Well, as long as you can keep your CPU cooler under control, there is plenty of room for expansion. Hence, the supreme chassis for rack installation and home theatre uses.

6. NZXT H510

The NZXT H510 (and its i-series companion) is the successor to the NZXT H500 chassis from the previous generation. As previously, it possesses exceptional build quality, cable management, and a simple design. Additionally, it is best for quick and easy PC builds.


1 – It supports ATX. 

2 – GPU Length: 381 mm. 

3 – CPU Cooler Height: 165 mm. 

4 – Pre-installed Fans: two 120mm fans included for intake and exhaust. 

5 – Fan Slots Available: two 120/140 mm slots on front, one 120/140 mm slot on the Top, and one 120mm slot on the rear. 

6 – Side Panel Window: Tempered Glass. 

7 – PSU Size Support: Standard ATX PSU. 

8 – I/O has one USB 3.1 Gen 2 Type-C port and one USB 3.1 Gen one Type-A. 

9 – RGB lighting and other color options with the -i version.

Almost everything you require is present. If you desire more, the -i option adds RGB to the mixture. NZXT H510 is one of the most attractive and versatile ATX cases, with a smaller footprint than average.

7. Thermaltake Core G3

The Thermaltake Core G3 is one of the premium small PC cases with a slim design. It is meant to fit on a desk or in a confined living room. The roomy container allows you to build a powerful 4K VR gaming gear. Additionally, it is best for slim ATX builds.


1 – It supports 12″ x 9.6″ (ATX), 6.7″ x 6.7″ (Mini ITX), and 9.6″ x 9.6″ (Micro ATX). 

2 – It supports two x 2.5″ or two x 3.5″ storage drives with an HDD cage. 

3 – It supports two x 120mm fans or a 240mm radiator in the front and a 120mm top fan. 

4 – Maximum: 310mm GPU length, 110mm CPU cooler height, and 130mm SFX PSU length. 

5 – Handy Top-Front I/O has two USB 2.0 ports, two USB 3.0 ports, and HD Audio jacks. 

6 – Compatible with NVIDIA Geforce GTX 1080/1070 graphics cards.

7 – Includes Two expansion slots.

Core G3 has a clear glass side window panel that features you to show off your build. Well, it has been equipped with a custom GPU mount for a floating GPU design.

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8. Corsair Carbide Series 175R

It is the latest addition to the Corsair Carbide Series and features a nice basic design at an affordable price. Certainly, there are several areas in which we might debate the 175R’s shortcomings or where it could have been improved. But, in reality, this is an inexpensive chassis. And you won’t find anything better at this price. The case features a side panel of tempered tinted glass and a 120mm rear fan with configurable RGB lights.

Airflow is excellent as this case supports up to six 120mm or four 140mm fans. There is also room for a 350mm cooling radiator, offering the 175R a thermal performance commensurate with its price point. There is sufficient space to support a full-sized ATX motherboard and sufficient clearance for excellent cable management. If you’re searching for a budget-friendly, minimalist computer case, the 175R is the best choice. However, you may seek elsewhere if you’re searching for something substantial to support a large build. The Corsair Carbide 275R is an excellent option in the Carbide series, providing somewhat greater features for a higher price. Moreover, this is the best RGB ATX Mid-Tower gaming case.


1 – It supports mATX, mini-ITX, and ATX. 

2 – It supports up to three x 120mm or two x 140mm fans at the front, two x 120mm or two x 140mm fans on the Top, and one x 120mm fan in the rear. 

3 – One pre-installed programmable RGB fan is included.

4 – Includes two x 3.5″ and two x 2.5″ bays. 

5 – Maximum: 330mm GPU length, 160mm CPU cooler height, and 180mm standard ATX PSU length. 

6 – Includes seven PCI expansion slots. 

7 – Includes programmable RGB Lighting. 

8 – Front I/O Panel has two USB 3.0 ports and Audio input/output.

The 175R is an excellent budget gaming chassis. It features a minimalistic design and a 120mm RGB fan.

9. Rosewill Challenger S

The Rosewill Challenger S is our budget selection, but it’s packed with features nonetheless. Moreover, it is the best budget small ATX case


1 – It supports Micro ATX and ATX. 

2 – GPU Length: 360 mm. 

3 – CPU Cooler Height: 170 mm. 

4 – Pre-installed Fans: two 120 mm intake fans and one 120 mm exhaust fan. 

5 – Fan Slots Available: five 120 mm fans. 

6 – Side Panel Window: N/A. 

7 – PSU Size Support: Standard ATX. 

8 – I/O has one USB 3.0 port, two USB 2.0 ports, and one Audio Port. 

9 – Include LED intake fans.

Dual blue LED intake fans and a 120 mm intake fan are welcome additions. This case is especially tempting if you’re on a tight budget, as it includes a fully-functional airflow configuration out of the box without needing any customization. As a result, the Rosewill Challenger S case is the best choice for individuals needing a compact and small ATX chassis.

10. Fractal Design Meshify C

The Fractal Design Meshify C seems identical to its more costly brother, the Define C. However, it differs in terms of both price and features. The Meshify C is an excellent mid-range computer case whose price is commensurate with its features. Since the front panel doesn’t reflect the noise from the internal components back into the case, it is somewhat louder than other Smallest ATX cases 2022. Additionally, it is the best compact case with support for Water Cooling.


1 – It supports ATX, Mini-ITX, and mATX. 

2 – It supports two x 120/140mm fans on the Top, three x 120mm or two x 140mm fans at the front, one x 120mm fan in the rear and one x 120mm fan at the bottom. 

3 – Includes two pre-installed Dynamic X2 GP-12 fans (one at the front and one in the rear).

4 – Radiators: Front 120/240/360mm and 140/280mm + Rear 120mm + Top 120/240mm 

5 – Includes two x 2.5″/3.5″ and three x 2.5″ (dedicated) bays. 

6 – Maximum: 315mm GPU length, 170mm CPU cooler height, and 175mm standard ATX PSU length. 

7 – Dust filters: Bottom Fan + PSU, Top Fans, and Front Fans. 

8 – Includes 7 PCI expansion slots. 

9 – Front I/O Panel has two USB 3.0 ports and Audio input/output.

Well, with support for up to seven 120mm fans, the Meshify C delivers excellent airflow. It also includes two retail-grade Dynamic X2 GP-12 fans pre-installed. This case was unfortunately not intended for liquid cooling. If you’re looking for a mid-range chassis with strong construction, the Meshify C is the best option. If you dislike loud cases or want to add a liquid cooler, you may want to examine other options. This case is an incredible chassis for the price. It features a sturdy build, abundant airflow, and better liquid cooling support.

11. Corsair iCue 220T

The Corsair iCue 220T is part of Corsair’s new iCue case series, which focuses on delivering the best RGB product experience. Additionally, it is the best tempered glass smart ATX case.


1 – It supports Up to ATX. 

2 – GPU Length: 300 mm. 

3 – CPU Cooler Height: 160 mm. 

4 – Pre-installed Fans: three 120 mm RGB fans. 

5 – Fan Slots Available: six 120 mm fans. 

6 – Side Panel Window: Tempered Glass. 

7 – PSU Size Support: 180 mm. 

8 – I/O has two USB 3.0 ports and one Audio Port. 

9 – RGB intake fans and detachable dust filters.

The RGB fans included an excellent intake design, and a not-too-small design makes this a perfect choice for any user. The Corsair iCue 220T is among the best smallest ATX cases 2022 on the market, but its RGB extras come at a premium price.

Conclusion: Smallest ATX Cases 2022

Buying the appropriate small computer case does not have to be a daunting task. With the above list of the smallest ATX cases, you should be able to find the appropriate choice for building a compact yet powerful PC.

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