Best Smallest ATX Cases for Compact PC Builds in 2022

ATX (Advanced Technology Extended) was designed as an extension of the Baby-AT form factor and is a motherboard standard produced by Intel in the mid-90s. PC enthusiasts and gamers spend a lot of their good money on computer specifications; it still requires a cover for safety. PC cases are Full tower, mid-tower, and mini ITX. Full and mid-towers are normally for the regular ATX motherboards, unlike mini ITX for the smallest ATX Case and smaller microscale ATX cases.

They take up a little area yet provide you with the same characteristics as the other normal-sized ATX cases. You may find a large choice of PC cases on the market, in varying sizes, appearances, and pricing. No doubt aesthetics and your wallet capacity are the key variables here but picking the correct size come first.

Selecting the correct ATX case for your project might generate a lot of trouble in your brain. Compatibility is overvalued in general but not in the computer industry. Your convenience and comfort when using your PC grow with it. PC enclosures come with downsides as well, notably a compact ATX case. You can’t put a few graphic cards and other specifications due to the size of the chassis.

Hence they get hotter, which generates nothing but agony. But, one has to get the tiny case if your system is of the same size. In this post, we have compiled the information regarding the Best Smallest ATX Cases for compact pc builds. In this article, we will take a look at the best smallest ATX cases that can currently be purchased.

If you’re creating a gaming or commercial PC, you’ll want it to be well-ventilated and well-built. We’ve put up a list of the Best PC Cases for Gaming and High-Performance in 2022 so you can choose one that suits your needs. Let’s have a look at them.

NZXT H510 Compact ATX Mid-Tower PC Gaming Case

The NZXT H510 is a custom-built PC gaming case that effortlessly fits into your home theater system. This device has it all: front USB Type C I/O, two tempered glass panels for side and top views of inside components, and water-cooling ready capabilities. NZXT is a well-known firm that specializes in creating and producing a variety of gaming-related items, such as the new H510 case. These Best Smallest ATX Cases come in a variety of sizes. It’s the ideal PC case for gamers who want to push their limits.

This Gamer’s Case is a hard-shelled case for your PC with tempered glass sides. The sleek design will go with any gaming setup, and the one screw installation makes it simple to put together on any flat surface. This gaming case’s sleek design makes it ideal for any on-the-go gamer. This game case’s revolutionary design makes connecting simple and straightforward.

It comes with pre-installed channels that are connected with straps, allowing you to connect your wires quickly and easily. The case’s Aer F120mm fans offer ideal interior airflow, and the front panel and PSU intakes have detachable filters for easy installation. The bracket, which can handle radiators up to 240mm in diameter, gives you the option of using closed-loop or bespoke loop water cooling.

This gaming case is ideal for individuals who wish to create a powerful PC that fits into a very tiny space. Motherboards, Mini-ITX, and MicroATX boards, as well as standard ATX format systems, are all supported. It does not, however, include a top exhaust fan to keep your system cool during strenuous scenarios such as long gaming sessions.

Specifications

Brand	NZXT
Case Form Factor	Mid-tower
Motherboard Support	ATX
GPU Clearance	381mm
PSU Clearance	275mm
Expansion Slots	7
Weight	14.55 pounds
Dimension	16.85 x 8.27 x 18.11 inches

Cooler Master MasterBox Q500L

The Cooler Master MasterBox Q500L is a Micro-ATX tower with an ATX motherboard powered by Intel or AMD. It also comes with a magnetic dust filter and a clear glass side panel for optimal ventilation and easy access to all internal components. It also has I/O ports that may be adjusted for optimal performance. Cooler Master’s sleek-looking Micro Gaming Case keeps your system working smoothly.

These Smallest ATX Cases are complete workstations with everything you’ll need to get started on any kind or size setup. This gaming enclosure is ideal for those who want to create a typical ATX system that can accommodate motherboards of various shapes and sizes. Because of its small size, it can be put in any corner of your desk without obstructing anything else, so you’ll never run out of room while adding new PC components.

The perforated metal chassis allows for far more airflow than typical, allowing for a variety of cooling system combinations. The top panel is also entirely open for improved ventilation and to allow hot air from within the case to escape as required. The front grill lets cool breezes in while keeping heated ones out, which is essential for gamers.

The I/O panel may be positioned vertically or horizontally in six distinct positions. This case contains rubberized screws that replace the feet, making it easier to access each position for placing on a desk or on the floor without harming the surface material. However, since there is no specific reset button, you’ll have to use the power button to choose “power off” or manually shut your computer after you’re through using it.

Specifications

Brand	Cooler Master
Color	Q500L
Material	Acrylic
Cooling Method	Air
Motherboard Compatability	ATX
Item Weight	3.83 Kilograms
Item Dimensions LxWxH	15.2 x 9.1 x 15 inches
Case Type	Mini-Tower

Cooler Master HAF XB EVO

Look no farther than the Cooler Master HAF XB EVO if you’re seeking a customized computer case with cooling and ventilation. It will be difficult not to discover all of your wants covered by one sleek package with this desktop Lan Box enclosure system in tow that supports ATX motherboards, as well as twin radiators frontal or bottom, mounted fan slots.

This Smallest Full ATX Case features a bulbous form that has been specially created for circulation reasons, making it ideal for installation in a small office or home setting. This case can hold up to six hard drives, as well as your CPU, RAM, and graphics card. It also has strong airflow provided by two large fans either in front of or behind the motherboard tray, depending on your preference for cooling.

It can accommodate tower CPU cooler up to 180 millimeters in height and high-end VGA coolers up to 334 millimeters in length. One of the coolest features of the HAF XB EVO is the removable motherboard tray. Removable HDD cages provide space for four HDDs or SSDs, allowing you to install components without their getting in the way while not utilizing all of the available slots on the motherboard tray. This case’s revised interior now accommodates a Micro ATX or ATX motherboard, as well as any other standard expansion card.

The exterior has two USB 3.0 SuperSpeed ports and X dock slots on the front for Lightning-fast plug-and-play IO, as well as strong carry, handles in a sleek design—ideal for keeping your device secure while still looking attractive. However, given how uncommon and difficult-to-find these cases may be at times, the lack of extra parts for this ATX case has disappointed many individuals.

Specifications

Brand	Cooler Master
Color	Black
Hard Disk Form Factor	3.5 Inches
Cooling Method	Air
Fan Size	120 Millimeters
Motherboard Compatibility	ATX
Type	ATX Desktop
Motherboard Support	ATX, Micro ATX, and Mini ITX
Card Length Supported	334mm
Storage Support	4 HDDs or SSDs
Included Fans	2

Corsair Carbide Air 540

The Corsair Carbide Series Air 540 case is ideal for gamers who are building their own PC. This ATX Cube can fit in with any décor because of its black color and elegant design while delivering excellent cooling performance. The airflow rating of these Best Smallest ATX Cases is superb, ensuring adequate amounts of ventilation within. It has an easy-to-use front panel with plenty of space for cable management and two USB 3.0 ports right next door.

This ATX cube case is ideal for gamers who want to get the most out of their system without compromising anything else. It has a straight airflow route that eliminates hotspots and provides an unrivaled experience. This product’s innovative design enables heated air to escape, resulting in high levels of cooling potential throughout your system.

Its innovative front panel allows it to be readily removed for cleaning and maintenance without dismantling the complete system. This gaming cube box has eight expansion slots, two 5.25-inch bays, and four 2.5-inch/3.5-inch combination bays, with a total storage capacity of 20 slot drives or upgradable internals up to ten (10) 3.5-inch HDDs.

This lovely cube case is the ideal solution to safeguard your iPhone. It includes a complete side panel glass and cable routing cutouts with a rubber grommet for simple cable installation and removal without fear of hurting them. Corsair carbide is surely is the best micro ATX case. The fan, however, is not linked to Corsair Link. Because noise and heat are not diffused effectively in a PC case without a connection, it will have a hard time cooling, therefore you may wish to address this for your own safety.

Specifications

Brand	Corsair
Case Form Factor	Mid-tower
Motherboard Support	Micro-ATX
GPU Clearance	320mm
PSU Clearance	250mm
Expansion Slots	8
Weight	16.3 pounds
Dimension	16.3 x 13.1 x 18 inches

Fractal Design Meshify C

In a tiny size, the Fractal Design Meshify C provides great performance and cooling. To optimize interior space for water-cooling systems, the compact design has two fans that are incorporated, as well as an easily detachable PSU shroud. The thin internal architecture makes it simple to add hardware without the requirement for proper cable management planning, which is required when creating new PC gaming rigs.

Tempered glass panel windows provide access to the interior of the computer while protecting it from outside disturbance. Once again, thanks to USB 3.0 transfer speed, you won’t have to wait for games to load during intense action scenes — our ATX Compact Case has you covered. If all of your demands can be satisfied by a tiny and compact design, this is the computer case for you. It has two mounting fans, reducing the amount of space required on an external device cable tray (like those little HDMI ones).

Finally, there are a variety of RGB lighting settings to ensure that this baby glows brightly at night or during daytime gaming sessions in complete darkness. The case’s outside side panels may be quickly removed without the need for any tools, making hardware installation simpler than before.

It’s the ideal casing for gamers who want to construct their ideal gaming system. Everything you need is in one place with this little PC case. The HDD racks provide enough space at the bottom for water-cooling components while keeping your data protected from dust and other contaminants. However, the unpleasant fact is that there isn’t enough room in this ATX case for modern AMD cards.

Specifications

Brand:	Fractal Design
Case Form Factor	Mid-tower
Motherboard Support	ATX
GPU Clearance	315mm
PSU Clearance	175mm
Expansion Slots	7
Weight	8.8 pounds
Dimension	16.1 x 8.54 x 17.83 inches

Thermaltake Core G3

The Thermaltake Core G3 is a sleek and attractive computer case that can accommodate any ATX or Micro ATX gaming PC. It has the LCS-certified Tt LCS Logo, ensuring that your gear will look nice no matter where it is used in its system. The black outer finish on our Smallest Mid Tower Case gives stunning aesthetics while also guarding against scratches, all while being lightweight enough to fit on one’s desk.

This Core G3 will look great on your desk or in your living room. The micro-thin form makes it simple to carry, and the LAN party-ready function is useful if you want to take your gaming on the road without worry. Because of the floating GPU design, your graphics cards will be front and center, with their faces pointed up toward the audience rather than down on all fours like traditional stands.

With this wonderful purpose, choose the finest cooling for your system. You’ll receive two pre-installed 120-millimeter front fans, as well as a pair of useful I/O connections and expandability choices to match just about any equipment.

This case is ideal for custom PC builders who wish to strike a compromise between price and performance. Its many configurations enable versatility, making it simple to design any kind of system with this cost-effective solution. However, if you wish to use extra fans to cool your PC, this ATX case isn’t the ideal option. Heat dissipation is problematic due to a lack of support for additional fans.

Specifications

Brand	Thermaltake
Color	Black
Material	Alloy Steel
Cooling Method	Air
Motherboard Compatibility	ATX
Item Weight	9.3 Pounds
Item Dimensions LxWxH	17.9 x 14.6 x 5.5 inches
Case Type	Full Tower
Fan Count	2
Number of Expansion Slots	2

Cooler Master MasterBox Lite 3.1

The Cooler Master New MasterBox Lite 3.1 Micro-ATX Tower is ideal for individuals who want to easily construct or modify their PC. It comes with three different color choices and a translucent acrylic side panel (MCWL3B300). On the front edge, these Best Smallest ATX Cases include an input power supply and two USB 2.0 ports, as well as one fan controller on top. It also includes space inside in case you need another expansion card slot after you’ve put your system together.

Further up above, two extra PCI Express x16 slots are accessible if required. It’s for individuals who desire a lightweight, compact case that can hold all of their key components in one location without taking up too much space or compromising performance. This ATX case stands out from the crowd thanks to its Dark Mirror front panel and changeable trim colors. Without compromising elegance or functionality, the entire black covering protects your system.

With this case’s transparent side panel, you can get the most out of your setup. The huge glass allows you to see all of the lovely components and can accommodate up to three fans and water-cooling systems. The cable routing beneath the motherboard tray makes it simple to manage and conceal all of your cords in this box.

This PSU enclosure has a 9mm (0.3 inches) depth for the power supply cord and a 15mm depth for storage beneath the motherboard tray. Both statistics have enough room when you need them the most. With this ATX enclosure, however, accessing the power supply switch is quite tough. It’s difficult for technicians who require fast and simple access since there isn’t a panel easily accessible.

Specifications

Brand	Cooler Master
Color	MB Lite 3.1
Material	Acrylic
Cooling Method	Air
Motherboard Compatability	Micro ATX and mini ITX
Power Supply Mounting Type	Bottom Mount
Item Weight	8.7 Pounds
Item Dimensions LxWxH:	17.62 x 7.5 x 15 inches
Case Type	Mini-Tower
Fan Count	3

Cooler Master MasterCase H500P

In the computer hardware market, Cooler Master is a well-known brand. Cooler Master MasterCase H500P is a new case with revolutionary features. This product’s bright appearance not only looks wonderful, but it also keeps you cool thanks to a high-airflow mesh front panel and tempered glass side panel that let lots of light into the inside.

The RGB LED illumination provides extra pleasure to evening usage while also ensuring that everything keeps cool inside without overheating. For gamers, content makers, and overclocking aficionados, this Compact ATX Case offers a high-performance cooling option. The whole inside of this case is powder-coated in black, so it isn’t flamboyant and instead focuses on what’s inside, which is where most people concentrate their attention.

Take notice of this excellent device if you’re seeking a case to store your newest endeavor. This ATX computer cabinet has two 200mm RGB fans behind the front panel, as well as robust mesh coverings that keep dust out while yet allowing for good ventilation. There are also vertical GPU mountings on top, which do not jeopardize other components such as CPU cooler slot space or expansion slot availability.

This ATX case features the appropriate side panels for a sleek, contemporary gaming PC that’s ready to take on whatever you can throw at it. A tempered glass side panel with a light grey tint is also great for showcasing your construction. With only one plugin and 1-3 splitter cables, you may access numerous light modes and effects. However, this case lacks sufficient room to accommodate your lengthy GPU, which is one of the product’s biggest flaws.

Specifications

Brand	Cooler Master
Color	White
Material	Tempered Glass
Cooling Method	Water, Air
Motherboard Compatability	Mini ITX
Item Weight	11.6 Kilograms
Item Dimensions LxWxH	21.42 x 9.53 x 21.34 inches
Case Type	Full Tower
Compatible Devices	Computer Case
Fan Count	2

Lian-Li Case O11D Mini

The Lian-Li Case O11D Mini is the ideal storage option for you. It can house up to 6 drives and yet have space for additional essentials like liquid cooling systems or air-cooling systems thanks to three movable tempered glass shelves. These Best Smallest ATX Cases also have two USB ports, allowing you to charge your gadgets without having to remove them from their holders during downtime.

This mini-tower case is meant to appear sleek, contemporary, and minimalistic while being durable enough for everyday usage at home or in the workplace. This computer desk-sized cabinet has two 5 1/4′′ bays capable of handles on each side, making installation simple and providing stability while traveling.

Both ATX and MicroATX motherboards may be installed in this enclosure. Its 2 x 2-inch width by 3 1/2 depth drive bays may hold up to three 5 1/4-inch hard drives or two 3.5-inch storage devices. It also has an external expansion port, which is useful for installing devices that need additional space, such as PCI Express SSDs with low-profile adapters.

This case is composed of elegant white plastic, and its modest size makes it simple to discover spots on your desk where you may need some more room. This case not only has enough room for your computer, but it also includes all of the required ports. There are two USB 3.0 ports, one Type-C port, and HD Audio Front Ports, so you can take advantage of all this lovely ATX Mini Tower has to offer. However, this ATX case is a high-priced item that most people cannot buy.

Specifications

Brand	Lian Li
Color	White
Material	Aluminum
Hard Disk Form Factor	3.5 Inches
Cooling Method	Air
Motherboard Compatibility	ATX
Case Type	Mini-Tower
Total USB Ports	3

Rosewill Challenger S

Rosewill has been producing dependable items, such as tech gadgets, power supplies, and PC cases, since 2004. The firm, which is a strong retailer, is owned by Newegg. Rosewill Challenger S is one of their products. It has been named the best tiny ATX case for the money. The price, as the title suggests, will be easy on your pocketbook, which is one of the most compelling reasons to recommend this case.

The case’s distinguishing feature is the twin blue LED intake fans, which give the whole system a pleasing appearance—mounting bays are also detachable, making it a user-friendly solution. Although airflow may be an issue, you may get a blower-style GPU or use liquid cooling to solve the problem.

You must attempt this case if you wish to make a traditional and fundamental PC case. It features a single USB connection and can handle any GPU. You’ll need a motherboard with multiple ports if you want to use more than one. A case holds together all the components and gives your computer station a very nice tidy look. 

The Rosewill FBM-05 is the cheapest Micro ATX case you can get on Amazon. The user is responsible for cable management using zip ties. This compact computer case has everything you need in one place.  The casing is simple and attractive, with distinctive black steel angles and tempered glass, making it a good choice.

Specifications

Brand	Rosewill
Case Form Factor	Mid-tower
Motherboard Support	ATX
GPU Clearance	360mm
Expansion Slots:	7
Weight	11.2 pounds
Dimension	17.52 x 8.26 x 16.06 inches

Conclusion

The smallest size may vary depending on who you ask, but for the sake of this essay, we’ll look at what “smallest” implies in the computer business. Based on the above product evaluation, I would definitely suggest the NZXT H510 as The Best Smallest ATX Case since it has Front I/O USB Type C and hard-shelled sides.

It also shows how to install a single screw, as well as pre-installed channels and motherboard supports. As a second option, I would strongly suggest the Thermaltake Core G3, which is the least expensive of the bunch. It’s LCS-certified and comes in a compact package. It also has convenient I/O ports with numerous configurations.

Top 3 Smallest ATX Cases Comparison Video

Quick Shopping Tips for the Best Smallest ATX Cases

Because of their elegant appearance, lightweight, affordability, and distinguishing characteristics, the Best Smallest ATX Cases are becoming increasingly popular among tiny computer users.

Before you choose the Best Smallest ATX Cases, make sure to consider the following factors:

Size

When purchasing a PC case, size is the most important factor to consider. Any product’s size indicates its future efficiency.

After a given amount of time, if the size of your ATX case is too tiny, it will begin to cause problems. Compact size cases, which are recognized to be the best small-sized PC cases available on the market, may help you avoid such issues.

Air flows

The ventilation of a PC case is the second item to consider when purchasing one. Your gadget will overheat if there is insufficient ventilation.

This may cause issues for your device, and you’ll want to keep the temperature down, so always choose an ATX case with enough ventilation. You should also seek a feature that allows you to attach a side panel fan to aid with heat reduction.

Compatibility of the Motherboard

Did you realize that not all motherboards and cases are compatible? You’ll be surprised to learn that different kinds of motherboard form factors may be supported by various computer cases. So bear that in mind when you go out to purchase it.

Compatibility with Graphics Cards

You may need to consider graphics card compatibility in addition to motherboard compatibility. Most common computer cases can accommodate GPUs up to 410mm in length, but if you want a high-end card, you’ll need to hunt for a case that can accommodate the longer ones.

Drive bayes

Hard drive bays, like all other components of your computer, need protection. Drive Bays enter the scene at this point. Look for a case with enough drive bays to accommodate your current drives as well as any further drives you want to add in the future.

If you want to install hard drives or solid-state drives, be sure the hard drive bays in your case can accommodate the 3.5-inch and 2.5-inch HDD/SSD units.

Support for Liquid Cooling

USB Ports

If you want to overclock your PC or use it for anything more extreme, a case that supports liquid cooling is a smart choice. They are not only more effective in cooling your computer, but they also look great.

On the front side of computer casings, USB ports are available for connecting external devices such as a keyboard and mouse. For this reason, you need to choose a device with at least 7 to 10 USB ports.

Material

The sort of material utilized in the manufacture of a PC case is something to keep in mind when purchasing one. Quality should always come first. If you’re searching for a long-lasting case, choose metal above any other plastic option.

Support

ATX cases include a separate compartment for the power supply, which protects the computer components from liquids and dust in the environment. As a result, look for a small form factor case that has a power supply compartment.

Cooling Support

Make sure your new small tower has enough ventilation and cooling to keep your system cool. To keep the power supply, CPU, and graphics card cool, most small form factor pc will have a rear-mounted radiator.

Easy Access

If you need an external connection for your devices, make sure the new mini-tower has all of the necessary ports on the front panel for convenient access.

SFX Power Supply Support

Make sure your case comes with a power supply unit that can support your design.