11 Best Small ATX Cases for Your Computer

If you have less space in your room or you don’t like large pc hovering over your room then you can go for small ATX PCs. Most of  Most of the gaming cases in the market use a form factor specification for matching a motherboard. ATX motherboards are one of them. Once you decided to build a small PC for gaming then you might be required a small ATX case for your newly build PC. We are going to noting down the best smallest ATX case for your ATX motherboard. Along with ATX, these best compact PC cases support mini-ATX, Micro-ATX, and Mini-ITX as well.

These small ATX cases are designed with technology that offers the best airflow throughout the PC and is packed with dust filters and a robust cable management system.

The ATX identification narrates the motherboard’s size and general layout, which provides a general indication of the number and type of connectors and expansion slots in the motherboard.

Small ATX case has its own advantages and disadvantages. Compact ATX cases easily fit anywhere and look attractive. But they may not allow much space to envisaged lots of storage devices, fans, radiators, etc. However, we researched and found the best small pc case which fulfills all the needs to build an excellent gaming PC.

11 Best Smallest ATX Cases

Image

Product Name

Motherboard Compatability

Product Dimensions

Material

Ratings

Check Price

Corsair Carbide Series Air 540

Micro ATX

16.3 x 13.1 x 18 inches

Steel

NZXT H510

ATX

16.85 x 8.27 x 18.11 inches

SGCC Steel, Tempered Glass

Cooler Master HAF XB EVO

ATX

16.7 x 17.4 x 13 inches

Steel, Polymer

 Fractal Design Meshify C

ATX

18.31 x 20.87 x 9.25 inches

Steel

Cooler Master MasterBox Q500L

ATX

15.2 x 9.1 x 15 inches

Acrylic

 SilverStone Technology GD09B

ATX

14.09 x 17.32 x 6.69 inches

Aluminum

Thermaltake Core G3

ATX

17.9 x 14.6 x 5.5 inches

Alloy Steel

Corsair 275R Airflow

ATX

17.99 x 8.5 x 17.91 inches

Tempered Glass

Thermaltake View 71 RGB

ATX

23.31 x 10.79 x 22.72 inches

Tempered Glass

COUGAR Panzer Max Ultimate

ATX

21.89 x 10.4 x 24.1 inches

Tempered Glass

CORSAIR Crystal 460X RGB

ATX

17.32 x 8.66 x 18.27 inches

Tempered Glass

1. Corsair Carbide Series Air 540

Corsair Carbide Air 540 is overall the best small ATX case built with steel and air cooling methods. The beautiful compact ATX case has sufficient storage to mount up to six 120mm or five 140mm fans, with 280mm top radiator support and room for a 360mm radiator on the front panel. Despite the small ATX case, it won’t compromise with the features. The custom Air Series AF140L intake and exhaust fans deliver considerable airflow performance at lower noise levels as Quiet PC Case does. Like all Corsair cases, Carbide Series Air 540 is also designed for fast, neat, and satisfying builds. The outstanding cooling system delivers cool air to your CPU, graphics cards, motherboard, memory, and other PCI-E components in an efficient manner.

Corsair Carbide Series Air 540

best smallest ATX case

Specifications

  • Dual-chamber Direct Airflow
  • Features 9 Case Expansion Slots
  • Features two 5.25 inch, four 2.5inch, and two 3.5inch case drive bays
  • Full side panel window
  • Cable routing cutouts with rubber grommet

Positive

  • Outstanding cooling potential
  • Good build design
  • Efficient airflow 
  • Reasonable price
  • Decent cable management 

Negative

  • Flaws in Drive bay

Also Read: 11 Best Pink PC Case

2. NZXT H510

NZXT H510 is a small affordable ATX case that is also compatible with Mini ATX. This white color Mini ITX case is built with steel and tempered glass window. For efficient cooling purposes, NZXt H 510 is furnished with both Air and Water cooling systems. It is considered as best compact mid-tower ATX case that has stunning design as well as remarkable value. Some of the impressive features of this smallest ATX include; a removable radiator mounting bracket, blushing tempered glass window, multiple fan filters, and front USB 3.1 Gen 2 type-C.

To purchase this beautiful and cool ATX case, you need not spend a lot. This would be a meticulous pc case when you want a small-footprint ATX case at a low price without forfeiting features. You can connect smartphones and other external devices easily with USB 3.1 Gen2, a consistent USB-C connector on the front panel. For intuitive and easy wiring, H510 is designed with a cable routing kit with pre-installed channels and straps.

NZXT H510

best smallest ATX case

Specifications

  • USB 3.1 Gen 2-compatibility and USB-C
  • Original H Series 
  • Radiators up to 240mm
  • Cable-routing kit
  • Mini-ITX, MicroATX, and ATX compatible 
  • pre-installed channels
  • Tempered glass side panel
  • Clean, modern design

Positive

  • Elegant design
  • Configurable for air or liquid cooling
  • Peaceful look
  • Cheap price
  • Easy to connect external devices
  • USB C at the front panel
  • Decent Fan filters

Negative

  • No reset button

Also Read: 11 Best Unique PC Case

3. Cooler Master HAF XB EVO

Cooler Master HAF XB EVO could be the best compact ATX case if you are looking for a horizontal, LAN-box-style case. The room is abundant for even the biggest high-performance tower heatsinks and thick liquid cooling radiators. HAF XB EVO supports up to 4 HDDs or SSDs by removable HDD cages. This Mini ITX case supports a wide range of devices including Mid Tower, M/B Type: Mini ITX, MicroATX, ATX. The substantial mesh at the top and front panels with two 120mm XtraFlo front fans build a powerful front-to-back airflow.

Cooler Master HAF XB EVO

best smallest ATX case

Specifications

  • VGA card length: 334mm
  • CPU cooler height: 180mm
  • Two USB 3.0
  • Mini-ITX compatibility 
  • One 120mm front fan
  • Two durable XtraFlo fan
  • Supports a 240mm radiator
  • Removable Motherboard tray

Positive

  • 4 HDD and SSD storage
  • Generous Ventilation 
  • Huge room for extra fans
  • Decent Airflow
  • Lightweight 
  • 3 Dimensional cooling fan
  • Removable Motherboard tray

Negative

  • Issues with graphic card height
  • Not durable 

4. Fractal Design Meshify C

Fractal Design Meshify C is overall the best small ATX case 2021, built with Tempered glass and supports both air and water cooling systems. Meshify C encircles up to 5 storage devices with a flexible and removable drive enclosure beneath the PSU shroud. It is packed with easy-to-clean filters on the front, top, and bottom with full PSU coverage and valuable front access. Equipped with a total of 7 fans including two Fractal Design Dynamic X2 GP-12 fans come pre-installed in the backside for maximum airflow. This best compact ATX case with massive steel trays and rubber grommets makes your drives run quiet, smooth, and provide credible operation.

The smallest ATX case supports two 3.5 inches hard drives and three 2.5 inches hard drives. It is large enough that you can install almost every CPU cooler and graphics card on it. However, some websites claim that it has missing tempered glass but Amazon mentioned it is built-in tempered glass. We cross-checked and found tempered glass in it. Moreover, we don’t find any issues while connecting most of the motherboards including ATX, micro-ATX, mini-ATX, AND mini-ITX.

Fractal Design Meshify C

best smallest ATX case

Specifications

  • Unrestricted airflow
  • Very compact design 
  • 5 storage device
  • 2 3.5 inches+ 3 2.5 inches
  • Tempered glass
  • Air and Water cooling 
  • Dust filters at the top, bottom, and side
  • Supports ATX, micro-ATX, mini-ATX, AND mini-ITX
  • Flexibility to various coolers

Positive

  • Smallest ATX case
  • Support all ATX and ITX motherboards
  • Support air and water both cooling methods
  • Cheap Price 
  • Outstanding Airflow 
  • Excellent cable management
  • Quiet case
  • Mount 7 fans

Negative

  • Not support large GPU 
  • Bay drive cage need to remove to Install 3.5 inches HDD

5. Cooler Master MasterBox Q500L

Cooler Master MasterBox Q500L is the cheapest and most selling small ATX case. The inexpensive compact ATX case is built with a tough acrylic material and offers an air cooling system. MasterBox Q500L supports standard ATX motherboards and PSUs, with dimensions of only 386 mm x 381 mm. Magnetic dust filters allow rapid removal and installation for easy cleaning of the dust filters.

It has a versatile exposure for chassis, you get the option to install an I/O panel in 6 different locations such as left, right, top, sides, and bottom. Q500L offers perfect cable management options as behind the motherboard tray, 27–30 mm width of space is offered for cable management. The PSU is inserted on the front of the frame to thoroughly utilize the internal room.

Cooler Master MasterBox Q500L

best smallest ATX case

Specifications

  • Magnetic dust filters
  • 6-orientation for I/O Panel
  • Supports ATX, Micro-ATX, and Mini-ITX
  • Excellent thermal performance
  • Edge-to-edge transparent acrylic side panel
  • Vertical and horizontal position compatible
  • Vertical PSU placement
  • Clean routing space

Positive

  • Air and water cooling system
  • Easy upgradeable
  • Plenty of room
  • Cool RGB effects
  • Cheapest

Negative

  • Misalignment of holes

6. SilverStone Technology GD09B

SilverStone Technology GD09B is a home theater ATX computer case (HTPC) built with aluminum. It is designed to fit full-size components such as an ATX power supply, an ATX motherboard, a 5.25-inch drive, plus multiple 3.5 inches and 2.5-inch drives. The adjustable drive cages with multi-purpose mounts eliminate the need for an adapter. GD09B offers a positive air pressure design for excellent cooling and dust prevention. For best cooling options, the best small ATX case includes one 120mm RGB Fan as well as also support two 120mm fans on the right side and one 120mm on the left side.

SilverStone Technology GD09B

best smallest ATX case

Specifications

  • Supports SSI-CEB, ATX, Micro-ATX motherboards
  • 5.25, 3.5, 2.5 inches drive bays
  • 7 Expansion cards up to 12.2
  • SilverStone RA02 rackmount ears
  • Quick access filters
  • 358mm depth home theater cabinet
  • Drive cages with multi-purpose mounts

Positive

  • Ultra-compact ATX design
  • The wide compatibility of ATX, Micro-ATX, Mini-ITX, Mini Stx/ NUC
  • Solid steel design
  • Reasonable price
  • Compact design 

Negative

  • Swapping the HDD and SSD is tough

7. Thermaltake Core G3

Thermaltake Core G3 is a slim small ATX case built with alloy steel. Dual arrangement layout designed for horizontal or vertical layouts makes Core G3 compatible for both angles. For a terrific ventilation system, two 120 millimeter front fans are pre-installed. Thermaltake Toughpower SFX 600W 80+ Gold power supply makes it the best compact ATX case among ATX cases. SFX 600W provides a fantastic balance between cost and performance. You can also install multiple fans on the front panel, and if you are intending to use a liquid cooler, you can also use a 240mm radiator. 

Thermaltake Core G3

best smallest ATX case

Specifications

  • Slim ATX
  • One 240mm front radiator
  • 2 120mm fan at the front 
  • One 120mm fan 
  • Transparent side panel Window
  • Fully modular
  • SFX power supply
  • CPU Cooler Height 110mm

Positive

  • Lightweight
  • Support all ATX and Non-ATX motherboards 
  • Best for LAN meter
  • Impressive look
  • SFX power supply
  • Efficient dust filtration

Negative

  • Incompetent cable management

8. Corsair 275R Airflow

Corsair 275R Airflow is the smallest pc case built with tempered glass and features an air cooling system. This mid-tower small ATX case is designed for efficient cooling with three fans. Corsair 275R comes with expansive storage which has room for two 3.5 inches drives and two 2.5 inches drives. These drives are packed in robust steel drive trays. Moreover, it has versatile cooling options and room to install six 120mm cooling fans and multiple radiators of 360mm.

The slatted front panel is designed beautifully to enable considerable airflow into the system for more efficient cooling. The best part of this best compact ATX case is that Corsair added a Corsair iCUE Commander PRO for unparalleled control over your system’s performance and RGB lighting. For effective airflow to all components, the 275R comes with pre-installed three 120mm fans, two intakes, and one rear exhaust.

Corsair 275R Airflow

best smallest ATX case

Specifications

  • Six 120mm cooling fans
  • Three Pre-installed 120mm fans
  • Slatted front panel
  • Two 3.5 inches drives
  • Two 2.5 inches drives
  • 360mm radiator capacity
  • Incredible RGB effects with Corsair iCUE Pro

Positive

  • Large space for drive storage
  • Decent RGB
  • Compact design
  • Multiple Extra fans and radiators

Negative

  • No Dust filter on Front

9. Thermaltake View 71 RGB

Thermaltake View 71 RGB is an outstanding small ATX case built with four-sided tempered glass. Four 5mm-thick tempered glass panels are more scratch-resistant than acrylic and a swing door is designed on the side panels to easily access the internal components. Thermaltake 71 RGB has a distinct feature that makes it the best compact ATX case 2021 for your computer. 71 RGB support 120mm/140mm radiators up to 420mm in length, and a VRV (Vertical Radiator View) facilitates multi-rad layouts and enables mount AIO coolers vertically where they would be typically out of reach. Additionally, it supports 3-way radiator fittings at the Top, Front, or Vertical View mounting on Motherboard Tray.

Thermaltake View 71 RGB

Specifications

  • Four-sided glass view protection
  • Vertical GPU
  • 14 RGB LED fans
  • Support up to 10 HDD
  • CPU cooler height 190mm
  • Tempered glass Swing door 

Positive

  • Attractive design 
  • RGB fans
  • Tough tempered glass 
  • A huge number of fans
  • Large space for HDD
  • Impressive swing door

Negative

  • No PSU shroud 
  • Comparatively Expensive (but worthy!)

10. COUGAR Panzer Max Ultimate

COUGAR Panzer Max Ultimate is the best compact ATX case for gamers. Panzer Max is a full tower ATX gaming case that has been designed with gamers, overclockers, modders, and professional computer enthusiasts. It supports six different motherboard form factors including ATX, mini-ATX, and micro-ATX. Four twofold aperture 390mm graphics cards enable you to install all the computing power you expect, while the possibility to host up to six storage devices. Cooling is the crucial factor for gamers, so Panzer Max supports up to eight fans and four water cooling radiators which provides incredible cooling management.

And do not worry about the cables while adjusting a huge number of fans and radiators, to complement this, its intelligent cable management system will keep all the cables behind the motherboard tray. It comes with easily removable covers and the orifices on all four sides, create modding much more accessible and allow you to transform it into whatever you want it to be.

COUGAR Panzer Max Ultimate

Specifications

  • Full tower case
  • 4 USB ports
  • Support ATX, mini-ATX, and micro-ATX
  • Water Cooling Support
  • Tool-less opening
  • Military-style design 
  • Intelligent cable management

Positive

  • Excellent radiator compatibility
  • Decent fan controller
  • 3 PreInstalled Fans
  • Huge number of fans and radiator space
  • Removable 5.25″ Optical Drive Cage
  • Excellent cable management
  • Support ATX, mini-ATX, and micro-ATX
  • Impressive airflow

Negative

  • Improper GPU mounting

11. CORSAIR Crystal 460X RGB

CORSAIR Crystal 460X RGB is a mid-Tower compact ATX case and comes with a water cooling system. Crystal 460X has two-panel tempered glass and Direct Airflow cooling technology with 3 SP120 RGB fans which provides smooth operation while doing heavy tasks. The striking SP120 RGB fans make it stand out from the crowd with custom-molded translucent edges to give your PC a sleek and brilliant look. Beautiful two-panel tempered glass displays every component of your build and makes it attractive. The water-cooled small ATX case is capable of liquid cooling support for both CPU and GPU loops. Tool-free drive installation and three-point dust filter allow easy cleaning and fewer dust issues in your PC.

CORSAIR Crystal 460X RGB

best smallest ATX case

Specifications

  • Built with tempered glass
  • Direct Airflow
  • 200mm PSU clearance 
  • 3 SP120 RGB fans
  • Tool-free installation
  • 3 point dust filters 
  • 3-dimensional radiator
  • 120mm fan on the rear
  • 140mm fans for top and front

Positive

  • Transparent design
  • Less maintenance required
  • Easy to clean
  • Supports multiple graphic cards
  • 3 RGB fans
  • Sufficient cable routing options

Negative

  • Doesn’t support 3 radiator fan
  • The issue with the RGB controller 

Last Words

As we stated, small ATX case, ATX motherboards, and ATX is the generic term used by motherboard manufacturers to characterize the small systems. Small systems or PC are perfect for small room as well as for attractive looks. But you can not fits regular cases on the small PCs. We listed the best small ATX case that are perfectly fits on your system. We take care of basic requirements along with these best picks. All the compact ATX cases are not only beautifully designed but also furnished with best features available. Some of these features include RGB lighting, impressive cable management, ample space for storage devices, efficient cooling systems, and many more. We summarized all the Positive and Negative points as well that helps you to decide which one is best suits to you. However, if you have any questions or queries, don’t hesitate to let us know through comment sections.

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Pankaj Suyal
Pankaj suyal is an Author, Partner, and Backbone of TechoWiki. He has huge experience of Technical Stuffs and Writing. Despite holding a mechanical engineering degree, his passion for writing pushed him to the writing career. Presently, as an Editor, he is also a member of the Technical and Core team of TechoWiki.

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