Top 5 Best Smallest ATX Motherboard Cases Reviews: Small & Slim (2021)

Most of the people small atx motherboard casings ant computer systems low in budget and high in performance. For gamers and graphical users a small system is good when they are lacking in space. ATX (Advanced Technology Extended) is a kind of motherboard that is especially used in gaming build systems. It holds great importance as an ATX is made with a large number of ports and slots.

An ATX motherboard can perform the task easy which can be considered essential for a gaming system. When you want the best small ATX motherboard casing which is ergonomic at the same time, know the insight first!

You need to know some tips for wise buying. First, when you step into the market do not neglect compact atx case some of the essential factors which are the core of any ATX casing. Check the quality of your case. It is a very important factor which you should not neglect. It is said that aluminum made casing serves the best.

Consider buying the one which supports larger cards, fan system to keep the machinery cool, and of course, the price should no be sky-high.  When you want to shop for electronics you should never go without knowing about them. When you look for small ATX cases look for dust filters.

No matter how clean your surrounding is, smallest mid tower case dist particle manages to make their way to PCs. When dust clogs the hole it affects the fan and it starts giving malfunction. The RGB transplant modes and the chic designs incorporated these case is a sure way to win your heart.

Next thing is good airflow. If the casing that you are choosing is well-ventilated it helps you manifold in enjoying the swift performance. Fans and liquid cooling systems keep the system cool even in continuous usage. Also, the good air circulation lets you complete your work quickly without any delay.

5 Best Smallest ATX Cases for 2021

Among different types of gaming cases for PC there are so many small ATX motherboard cases available in the market. Choose wisely as some of them have a poor airflow issue and bad built quality. Check out the below list of small ATX motherboards casing.

1. Corsair Carbide Air 540

Corsair is a trusted brand name and this model of Carbide Air 540 casing for ATX motherboard provides you a range of features. You will surely like its manufacturing and quality.

This small ATX motherboard case is super amazing the outlook and appearance is decent. The fine quality steel built is impressive and durable. The acrylic see-through side panels look pretty much unique and stylish. The RGB lighting enhances the aura even more.

It looks good placing in room and office. The proper airflow factor has been made sure smallest full atx case so that you do not face poor performance.

Corsair Carbide Air 540 has been made to support Mini ITX, Micro ATX, ATX, E-ATX. The case has already embedded with the three 140mm Corsair Air Series AF240L intake and exhaust fans.

You may find it a bit loud when three fans work at the same time but the cooling process is something that lets you swiftly use your system. However, if you want to change the fan or want it to upgrade you can always do so! This Corsair Carbide Air 540 can support six 120mm fans or five 140mm fans. You can select the one which goes best for your system requirement.

There are dust filters in this casing which means you do not have to encounter the dust every now and then. These dust filters keep the clutter and dust particles away leaving your CPU clean and cool. To clean the filter is easy with a magnetic stick that attaches easily.

The manufacturing contour of this small pc case atx Corsair Carbide Air 540 offers you to set PSU and drivers sit at its rear and GPU, CPU, memory, and Portable PC Cases at its main room. This small ATX motherboard casing weighs about 7.3g and the dimension is 415mm x 332mm x 458mm. The length of the graphic card should 320mm to embed in this small ATX case.

Cable management offered by the ATX motherboard casing is also crucial. It is useful to keep the system clean and when you remove any component you do not need to come across with tangled wires. Dust and other particle do not accumulate to the wires if you have tidy cables.

The rubber made grommets are the best way to keep the cables and wires managed. This is the relief when you want to avoid wire tangles. The CPU cooler height support offered by this Corsair Carbide Air 540 is 17mm while the AIO water cooling support is 240mm or 280mm on top which is up to 360mm on the front.

The appreciating thing about small form factor atx case this corsair small ATX is that it offers you enough room to settle your components within. Perfect airflow and lots of features make it high in demand. For gaming purposes and high speed with proper airflow is would be the best small ATX motherboard casing.

Key features:

• Build quality: steel body with side acrylic penal
• Dimension: 415mm x 332mm x 458mm
• Fan support: Six 120mm or 5 140mm Fans Support
• Graphic card length: 320mm
• AIO Water Cooling Support: 240mm or 280mm on top – Up to 360mm On Front
• Motherboard support: Mini ITX, Micro ATX, ATX, E-ATX
• CPU Cooler Height Support: CPU cooler height limitation: 170mm
• Rubber grommets for wire management
• Dust filters with magnetic stick
• Weight: 7.3g

2. Cooler Master HAF XB EVO (The All Rounder)

This Cooler Master HAF XB EVO small motherboard ATX is best when you need a compact case. The features and spacious room of this Master HAF XB EVO is its signature style.

The carrying handle is ergonomic and let your hands at ease when moving this case to the other place. For a small ATX motherboard casing, this case proves to be a wise choice. This is a half tower type Mid Tower, M/B Type: Mini ITX, Micro ATX.

The outlook has been engineered with fine quality steel, polymer with mesh front bezel. The outer bay has been measured in 2x 5.25″; 2x 3.5″, while in the internal bay is 2x 3.5″. The fan support of this small ATX is (1x 200mm fan Top) (2x 120mm Xtra Flo fan) (1x 120mm fan Rear).

The casing offers you a dismissible motherboard tray. The contour of this ATX has been designed in a different section which is a user-friendly way to add smallest full size atx case and remove pc parts. There are carry handles on its side panels which are firm with a feel of rigidness.

The top and side panels are removable for dusting or a proper view to the inner machinery. Moreover, when you want to upgrade any part it would not be a problem for the user to take that part out.

The large cutout on its motherboard tray is a great deal for installing CPU.

This case allows you to add 4 SSD/Hard disk drive and full-sized motherboard with enough space for modding.

For a thorough airflow this small ATX casing offers you to install a 240mm radiator. It supports tower CPU coolers up to 180mm tall and super VGA up to 334mm long.  For peripheral devices has been made with dual USB 3.0 with ultra-speed ports and along with X dock slots in front of plug and play I/O, one microphone In, 1x audio jack.

With the hooks for cable management you do not find the wires of your components entangle with each other. This Cooler Master HAF XB EVO small ATX casing has been made with the dimension of 442 Width x 330 Height x 423 D mm / 17.4(W) x 13(H) x 16.7(D) inches smallest pc case for atx motherboard . This small casing weighs about 8.2 kg/ 18.1 lb. You may find it a bit expensive but the durability and performance are just awesome.

Key features:

• Dimension 442 Width x 330 Height x 423 D mm / 17.4(W) x 13(H) x 16.7(D) inches
• Weight: 8.1 pounds
• Supports up to 4 HDDs or SSDs by removable HDD cages
• Motherboard support: ATX, Micro ATX, Mini ITX
• Dual USB 3.0 ports and X dock slots fast plug n play I/O
• Cooling: fan /radiator
• Detachable top and side panels
• Carrying handle
• Hooks for wire organization

3. Thermaltake Core X31

This Thermaltake is a good casing when you want the ultra-best airflow for your system. The well organized built and high-end installation of components makes it preferable to many users. The modular concept design of this case is advance and impressive.

First of all, the outlook is ergonomic with a professional look. Matte black color with the polished casing is appreciating.

The front panel has been made spacious for water loop and thorough air circulation. The 4mm thick-set tempered glass panel glorifies the view and let you have a look inside from outside. It has been installed t supports 4 x 120 mm fans on its rear and topside. When you want to upgrade your system but there is no option in it, you can say it is the worst choice. Thankfully, this Thermaltake Core X31 offers you the upgrade option.

For the further upgrade, it can support 9 fans of 120mm, 140mm, and 200mm.  This is a spacious small ATX motherboard casing with dust filters so that the essential components do not damage. For CPU, you can embed an 18mm high CPU for this casing.

This Thermaltake small ATX casing weighs about 19.5 and it has a dimension of 20.1 x 9.8 x 19.5 inches. With liquid cooling features the performance of your system never becomes poor. It can support dual GPU.

This Core31 can also support vertical graphic cards with PCI-E slots contour. The tool-less casing allows the users to install and remove the 3.5” and 2.5” hard-drives.  This casing has been designed sleekly and it offers you 2x USB 3.0, 2x USB 2.0, 1x headphone, 1x mic top ports. With 3-years of max warranty it doesn’t give you any reason to neglect this one. This Thermaltake ATX motherboard has got positive reviews from the users due to its ace performance.

Key features:

• Dimension 1 x 9.8 x 19.5 inches
• 2x USB 3.0, 2x USB 2.0, 1x Headphone, 1x mic top ports
• Can install 18mm CPU
• Dust filters with liquid cooling
• Fan support: 9 fans of 120mm, 140mm, and 200mm
• Tempered glass side panel
• Warranty 3 years

4. Inwin A1 Plus Black RGB ATX

This casing is different from all of the above-mentioned motherboard casings. The next-level built with the super cool design of this Inwin A1 PLUS ATX casing is one of the main things to make it unique and stand out.

The decorative RGB transparent stand looks attractive and eye-catching. The dull black frame has been fixed with double radiant addressable RGB loops. This casing has an already installed 600W PSU with 80+ GOLD power supply with a powerful graphic card. This casing offers you various power options for mini-tower installation.

The dimension of this thin shallow atx casing has been measured as 13.5 x 8.27 x 9.09 inches. Dust filters and liquid cooling feature makes this casing proficient in working. For the motherboard, this Inwin A1Plus Black RGB casing can support micro ATX, and ITX.

Fan support offered by this A1 is 1 x 120mm Side Fan, 1 x 120mm Rear Fan / 120mm Radiator 2 x 120mm Bottom Fan, you can install VGA with maximum length up to 320mm, and for CPU unit its 160mm. the weight is an important factor when you are looking for an advance and small ATX motherboard casing.

This In-win A1 PLUS weighs around 17.5lbS. The wireless charging has been certified by WPC Qi. The square structure gives the users a hassle-free installation along with the offer to embed hardware in the mini ITX. This A1 Plus casing can efficiently support a CPU having a height of 160mm of the graphic card.

Key features:

• RGB transparent base
• High-tech features
• 650W PSU battery80+ gold
• Dust filters, water cooling
• 16mm of graphic card
• 3 fans, 1 radiator
• Motherboard support: ATX, and ITX.
• Weight 5lbS
• Dimension 5 x 8.27 x 9.09 inches

5. AeroCool Cases Aero-1000 Black

Last but not the least, this AeroCool Aero-1000 ATX motherboard casing looks decent and offers you features which you have longed for. This mid-tower casing is dedicatedly good for gaming with the 0.8mm SGCC of chassis.

The black overall outlook of this small casing has been designed with quality material. The outer appearance has been incorporated with steel. The steel and acrylic designed allow you to take a look within this AeroCool Aero-1000.

This AeroCool Aero-1000 small ATX motherboard casing support up to 5×3.5″ HDD or 7×2.5″ HDD/SSD. With side tempered glass the appearance gives a trendier look smallest standard atx case . The built-in drilled holes for wire management play a central role to keep of tangles.

With poor airflow your work does face a backlash and slow processing speed.  This cool aero has been made to support 280mm of water cooling on its front and top. The ALO water cooling support offers you 280mm for top best slim computer case , 240mm for the front. This feature lets your system cool and thus gives a smooth performance.

For the fan, this small AeroCool casing has been embedded with 3x 120mm fans on it backside and front. Furthermore, 3 dust filters on top and front with PSU filters minimize the possibility to get intact with dust particles. The dust filters are removable with pretty much ease and you can wash or clean with a wipe.

For peripheral devices this casing has been designed with 2 x USB 3.0 ports, Audio, and a mic Port. One of the top dust filters has a magnetic feature and the PSU dust filter is slid-able. This case can support the fan with front, 2 x 120mm Fans top, 2 x 120mm Fans rear, 1 x 120mm Fan.

The motherboard support is ATX / Micro ATX / Mini ITX in additional support with a standard ATX power supply up to 220mm. This casing weighs 8.9kg with a dimension of 210 x 500 x 491.7mm (W x H x D, overall). This smallest micro atx case supports the 410mm length in the graphic card. You can install 165mm of CPU inside this AeroCool Aero-1000 motherboard casing.

Key features:

• USB port: 2 x USB3.0 port, Audio and, a mic port
• Fan support 3
• Removable/washable dust filters
• Motherboard support ATX / Micro ATX / Mini ITX
• CPU cooler height 17mm

After all of the above described small ATX casings now you will be able to purchase the best one for you.  All the casings fall into the category of smallest ATX and works just fine. To make your gaming ride into a next-level some of the ATX casings have been included with RGB. With advanced features you will enjoy your working even more.