Smallest ATX Cases to Buy

Smallest ATX Instances for Greatest Compact PC Builds in 2022

So you may have selected the primary elements that may go into your PC. And it’s now time to seize the very best case that may home your system. But, you don’t appear to search out your ultimate match since you need the smallest ATX case you may get.

We’ve compiled the greatest compact circumstances that match ATX elements with out compromising on efficiency. We now have additionally added bonus recommendations on the important thing facets you have to think about earlier than settling in your ultimate small type issue ATX case.

With PC components getting even smaller, going small on the case makes lots of sense. You’ll construct a PC that may match even within the tightest of locations, however nonetheless highly effective sufficient to provide you some 4K VR gaming. Or function your productiveness powerhouse with out taking over all of the house in your workplace desk.

Greatest Smallest ATX Instances

Case Identify Weight Dimension  
Corsair Carbide Air 540 16.3 kilos 16.3 x 13.1 x 18 inches Examine Worth
Cooler Grasp Q500L 8.4 kilos 15.2 x 9.1 x 15 inches Examine Worth
Lian Li O11-Dynamic-Mini 18.73 kilos 16.5 x 10.6 x 14.96 inches Examine Worth
Cooler Grasp HAF XB EVO 18.1 kilos 17.4 x 13 x 16.7 inches Examine Worth
NZXT H510 17.6 kilos 16.85 x 8.27 x 18.11 inches Examine Worth
SilverStone Grandia GD09 9.26 kilos 17.32 x 14.09 x 6.69 Examine Worth
Corsair Carbide Collection 175R 13.45 kilos 16.46 x 8.27 x 17.72 inches Examine Worth
Thermaltake Core G3 9.3 kilos 17.9 x 14.6 x 5.5 inches Examine Worth
Fractal Design Meshify C 14.33 kilos 8.35 x 17.32 x 15.55 inches Examine Worth
Rosewill Challenger S 11.24 kilos 17.52 x 8.26 x 16.06 inches Examine Worth
Corsair iCue 220T 14.33 kilos 15.55 x 8.27 x 17.72 inches Examine Worth

1. Corsair Carbide Air 540 – Greatest total compact ATX Case

Corsair Carbide Air 540 – Best Overall

Corsair is reputed for designing superior PC merchandise. The Carbide Air 540 compact PC case is one in all their greatest PC circumstances designed for smaller, neat builds.

It employs a dual-chamber in a dice design. With the drives and PSU on the again chamber, and the motherboard, CPU, GPU, and reminiscence on the primary chamber.

The result’s a system that runs cool because of the direct airflow hitting the primary chamber elements. It fits anybody seeking to overclock their system and push them to the boundaries.

Key Options:

  • Helps E-ATX, ATX, mATX, and Mini-ITX.
  • As much as 6 x 120mm or 5 x 140mm case followers.
  • Options 4 x 2.5”, 2 x 3.5”, and a pair of x 5.25” drive bays.
  • 3 pre-installed 140mm Corsair Air Collection AF140L consumption and exhaust followers.
  • Most: GPU size 320mm, CPU cooler peak 170mm, and commonplace ATX PSU size 250mm.
  • Comes with a entrance mud filter to maintain the construct clear.
  • An edge-to-edge tinted flush-mount aspect window (Acrylic).
  • 8 PCI-E slots.
  • Entrance I/O with USB 3.0 x 2 and Audio In/Out ports.

This case provides tons of room to develop your construct with high-performance coolers. You may slot in a 360mm liquid cooler on the entrance panel or a 280mm high radiator.


  • Runs quiet.
  • A steel-made dice design that’s spacious.
  • Excellent cooling capabilities.
  • Instrument-free PCI-E and storage drive set up.
  • Simple cable administration with routing channels.

  • A bit of bit dear for funds PC builders.
  • Solely comes pre-equipped with the entrance mud filter.
BOTTOM LINE: It stands out as the very best compact atx case. Because of its very good design with high-performance air cooling and a spacious inside for enlargement.
Examine Costs

2. Cooler Grasp Q500L – Greatest Excessive Airflow

Cooler Master MasterBox Q500L

The Cooler Grasp Q500L is the successor to final yr’s Q300L, which is a stellar Micro ATX case. The Q500L is simply barely bigger, however provides ATX motherboard compatibility! Mixed with the airflow-optimized entrance and high panels, the massive aspect panel window, and loads of fan mounts, that is simply one in all our high picks for smallest ATX case.

Key Options:

  • Helps ATX, Micro-ATX, and Mini-ITX.
  • Made from high-quality metal and polymer with mesh entrance bezel.
  • Most: GPU size 334mm, CPU cooler peak 180mm, and PSU size 180mm.
  • Packs 2 x 3.5”/2.5” inside drive bay plus 2 x 3.5”/2.5” and a pair of x 5.25” exterior drive bays.
  • Helps as much as 4 followers: a 200mm on the high, 2 x 120mm within the entrance, and a 120mm rear fan.
  • 7 PCI-E for enlargement.
  • Entrance I/O with USB 3.0 x 2 and Audio In/Out.
  • Two Prime-Panel designs: windowed for displaying off or meshed for a superior cooling.

The case comes with two pre-installed sturdy XtraFlo followers within the entrance. It may additionally assist a 240mm radiator for highly effective airflow to maintain your system working cool.


  • Pretty low cost
  • ATX motherboard assist on what was an mATX case
  • Removable mud filters
  • Sturdy airflow
  • Adjustable aspect panel I/O.

  • Just one fan included.

Backside line

The Q500L isn’t simply one of many smallest ATX cases- it’s among the best, too.

Examine Costs

3. Lian Li O11-Dynamic-Mini – Newest Small ATX Case

Lian Li O11 Dynamic Mini

The Lian Li O11 Dynamic Mini is a gorgeous small type issue chassis that could be a smaller model of the unique PC-O11 Dynamic. And Lian Li hasn’t reduce corners in making the O11-Dynamic Mini extra compact. Actually, you can really match an ATX board within the O11-D Mini.

Additionally for a small case, the O11-D Mini has wonderful cable administration and thermal regulation. You may set up as much as 9 120mm followers or six 140mm followers and even customise the case a bit of to assist water cooling.

There are only a few issues which may draw builders away from the O11-D Mini. One such factor is the shortage of assist for a typical ATX PSU. That is comprehensible given the SFF of the chassis. The O11-Dynamic Mini helps SFX or SFX-L PSUs.

Key Options:

  • Helps E-ATX (below 280mm width), ATX, mATX, and Mini-ITX
  • As much as 3 x 120mm or 2 x 140mm case followers on high, 2 x 120mm or 2 x140mm followers on the aspect, 3 x 120mm or 2 x 140mm followers on the backside and 1 x 120mm fan within the rear.
  • Helps 2 x 2.5”/3.5” SSD/HDD (again), and a pair of x 2.5” SSD (Proper).
  • Most: GPU size 395mm, CPU cooler peak 172mm, and SFX or SFX-L PSU.
  • Comes with 4 mud filters (1 x Prime, 1 x Backside and a pair of x Facet) to maintain the construct clear.
  • Helps 7 horizontal PCI expansions.
  • I/O Ports: 2 x USB 3.0, 1 x USB 3.1 Sort-C, 1 x HD Audio.

  • A small type issue Pc Case that’s good for ITX, but additionally helps ATX
  • Provides the builder loads of room to mess around creatively
  • Reveals an total good thermal efficiency
  • Helps water cooling
  • Cable administration is nice
  • Worth is affordable

  • Entrance I/O panel is a bit gradual
  • Doesn’t include any built-in followers
  • Backside air filter is ugly
  • For one thing with ‘Mini’ in its identify, it isn’t precisely petite
Backside Line:

For a small case, the O11-Dynamic-Mini doesn’t reduce corners. It may assist full-sized ATX motherboards, 3.5-inch onerous drives and even a water cooler, all with wonderful cable administration.

Examine Costs

4. Cooler Grasp HAF XB EVO – Greatest for LAN Social gathering

Cooler Master HAF XB EVO

Like its identify suggests, the Cooler Grasp HAF XB EVO is superb at regulating the thermal ranges of any high-end PC.

With assist for loads of followers, a 240mm radiator on the entrance and a 120mm radiator within the rear, the HAF XB provides wonderful air move functionality. It even comes with two pre-installed 120mm XtraFlo followers. You may take away the aspect panels to additional enhance the air flow.

There are 4 mud panels that assist stop the buildup of mud. This makes upkeep a lot simpler.  

One of many coolest options of the HAF XB EVO is the detachable motherboard tray. That is ultimate for lovers who wish to take a look at their rigs on the bench. The onerous drive trays are additionally tool-less and detachable. This provides the HAF XB extra flexibility. It additionally comes with inflexible aspect handles that make it a really transportable computer case.

With this case, builders will probably be paying for a top-class case. Thermal regulation is appropriate for any high-end PC and there’s loads of room for personalization. However assembling it may be a bit tiresome and it isn’t probably the most compact PC case.

Key Options:

  • Helps ATX, mATX, and Mini-ITX.
  • Helps 1 x 200mm fan on Prime, 2 x 120mm or 2 x 140mm followers on the entrance and 1 x 120mm or 2 x 80mm followers within the rear.
  • Comes with two 120mm XtraFlo followers pre-installed on the entrance.
  • Options 4 x 2.5”/3.5” and a pair of x 5.25” bays.
  • Most: GPU size 334mm, CPU cooler peak 180mm, and commonplace ATX PSU size 180mm.
  • Comes with 4 mud filters (1 x Prime, 1 x Backside and a pair of x Facet) to maintain the construct clear.
  • Has 7 PCI enlargement slots.
  • Entrance I/O Panel: 2 x USB 3.0, HD Audio In & Out.

  • Extraordinary airflow with air flow from all sides
  • Has a detachable motherboard tray
  • Sturdy design that guarantees sturdiness
  • Has loads of room for artistic customization and huge {hardware}
  • Drive trays are tool-less and straightforward to insert

  • May be troublesome to assemble
  • Prime solely helps a 200mm fan (and doesn’t assist commonplace 120/140mm followers)
  • Can take fairly a little bit of house
  • Is a bit on costly aspect
Backside Line:

The Cooler Grasp HAF XB EVO provides among the best air flow methods available in the market. Its sturdy design, extensive customization/expandability choices and portability make it an ideal alternative for a gamer.

Examine Costs

5. NZXT H510 – Greatest for fast and straightforward computer builds


The NZXT H510 (and its i-series counterpart) is the successor to the last-gen NZXT H500 chassis. Like earlier than, it has totally stellar construct high quality, cable administration, and minimalist aesthetics.

Key Options:

  • Motherboard Assist: As much as ATX
  • GPU Size: As much as 381 mm
  • CPU Cooler Top: As much as 165 mm
  • Followers Preinstalled: 2 120mm followers included for consumption and exhaust
  • Fan Slots Accessible: 2 120/140 mm slots on entrance, 1 120/140 mm slot on high, 1 120mm slot on rear
  • Facet Panel Window: Tempered Glass
  • PSU Measurement Assist: Customary ATX PSU
  • I/O Ports: 1 USB 3.1 Gen 2 Sort-C port, 1 USB 3.1 Gen 1 Sort-A
  • Extras: Further coloration choices, RGB lighting with -i model

Just about every little thing you want is right here. In case you’re wanting for extra the -i model provides RGB to the combination.


  • Compact measurement for a full ATX chassis
  • Assist for customized loop liquid cooling
  • Up to date I/O ports with USB Sort-C
  • PSU basement for cable administration

  • Excessive price- particularly for those who go for the -i Collection model
Backside Line
The NZXT H510 is among the most attractive and versatile ATX circumstances available on the market, with a smaller-than-most footprint as well.
Examine Costs

6. SilverStone Grandia GD09 – Greatest for ATX HTPC Builds

SilverStone Technology

The SilverStone Grandia GD09 is constructed for the last word Residence Theater PC (HTPC) expertise, and its type issue exhibits it.

Key Options:

  • Motherboard Assist: SCI-CEB, Micro ATX, and ATX
  • GPU Size: As much as 309 mm
  • CPU Cooler Top: As much as 138 mm
  • Followers Preinstalled: 1 120 mm consumption fan on the proper
  • Fan Slots Accessible: As much as 3 120 mm followers
  • Facet Panel Window: N/A
  • PSU Measurement Assist: As much as 140 mm (commonplace ATX)
  • I/O Ports: 2 USB 3.0, 1 Audio
  • Extras: Helps Kensington lock and rack mounting

So long as you’ll be able to preserve your CPU cooler in examine, you may have loads of room for enlargement with this one.


  • Compact, clever type issue
  • Rack mounting and Kensington assist
  • Adaptable drive cages, no exterior adapters wanted

  • Excessive value
  • Just one included fan
Backside Line
The final word chassis for rack mounting and residential theater use.
Examine Costs

7. Corsair Carbide Collection 175R – Greatest RGB ATX Mid-Tower Gaming Case

Corsair Carbide Series 175R

The Corsair Carbide 175R is the newest addition within the Corsair Carbide Collection that gives an honest minimalist design for a low value.

Certain, there may be loads we may talk about the constraints of the 175R or the place it may have been higher. However the fact is, it is a funds chassis. And for this value, you gained’t discover something higher.

The case comes with a tinted tempered glass aspect panel and a 120mm rear fan with programmable RGB lighting.

Airflow is superb, as this case helps upto six 120mm or 4 140mm followers. There may be even room for a 350mm cooling radiator, giving the 175R an honest thermal efficiency for the worth vary.   

There may be additionally sufficient house to assist a full sized ATX board and sufficient extra clearance for wonderful cable administration.

In case you’re on the lookout for a minimalist funds laptop case, the 175R is the proper alternative for you. In case you’re on the lookout for one thing sturdy to assist a heavy construct, you would possibly wish to go for one thing else. The Corsair Carbide 275R is a superb various within the Carbide sequence providing barely higher options for extra money.

Key Options:

  • Helps mATX, ATX and mini-ITX.
  • Helps as much as 3x 120mm or 2x 140mm followers on the entrance, 2x 120mm or 2 x 140mm followers on the highest and 1x 120mm fan within the rear.
  • Comes with one pre-installed programmable RGB fan.
  • Options 2 x 3.5” and a pair of x 2.5” bays.
  • Most: GPU size 330mm, CPU cooler peak 160mm, and commonplace ATX PSU size 180mm.
  • Has 7 PCI enlargement slots.
  • Options programmable RGB Lighting.
  • Entrance I/O Panel: 2 x USB 3.0 and Audio In & Out.

  • Comes with cool RGB lighting
  • Cable administration is nice
  • Comes with good water cooling assist
  • Has tempered glass aspect panel to show-case your construct
  • May be very reasonably priced

  • Pre-installed RGB fan isn’t superb
  • Facet panel isn’t very sturdy
Backside Line
The 175R is a superb funds gaming chasis. It has a minimalist design and comes with a 120mm RGB fan.
Examine Costs

8. Thermaltake Core G3 – Greatest for Slim ATX builds

Thermaltake Core G3 – Best Slim ATX Case

Thermaltake Core G3 is among the high-quality small computer circumstances that embrace a slim design. It’s designed to suit in your desk or a good front room. The spacious compartment means that you can construct a robust rig for 4K VR gaming.

Key Options:

  • Helps 12” x 9.6” (ATX), 9.6” x 9.6” (Micro ATX), and 6.7” x 6.7” (Mini ITX).
  • Helps 2 x 2.5” or 2 x 3.5” storage drives with HDD cage.
  • Helps 2 x 120mm followers or a 240mm radiator within the entrance and a 120mm high fan.
  • Most: GPU size 310mm, CPU cooler peak 110mm, and SFX PSU size 130mm.
  • Helpful Prime-Entrance I/O with USB 2.0 x 2, USB 3.0 x 2, and HD Audio jacks.
  • Appropriate with as much as NVIDIA Geforce GTX 1080/1070.
  • Two enlargement slots.

Core G3 encompasses a good clear acrylic aspect window panel to show-off your construct. It has been geared up with a customized GPU mount for a floating GPU design.


  • Inexpensive.
  • Light-weight design.
  • Can orient vertically or horizontally.
  • Comes with 2 pre-installed 120mm followers.
  • Very compact ATX case manufactured from high-quality SPCC.

  • Doesn’t assist the usual PSU.
  • Cable administration can get powerful.
Backside Line: Core G3 encompasses a good clear acrylic aspect window panel to show-off your construct. It has been geared up with a customized GPU mount for a floating GPU design.
Examine Costs

9. Fractal Design Meshify C – Compact Case With Water-Cooling Assist

Fractal Design Meshify C

At a look, the Fractal Design Meshify C appears to be like no totally different from its dearer sibling, the Outline C. It’s nevertheless totally different each when it comes to value and options.

The Meshify C is a superb mid-range laptop case that has a price ticket that justifies its options. It’s barely noisier than most circumstances, because the entrance panel doesn’t mirror the noise from the interior elements again into the case.

Key Options:

  • Helps ATX, mATX, and Mini-ITX.
  • Helps 2 x 120/140mm followers on high, 3 x 120mm or 2 x 140mm followers on the entrance, 1 x 120mm fan within the rear and 1 x 120mm fan on the backside.
  • Comes with two Dynamic X2 GP-12 followers pre-installed (one on the entrance and one within the rear)
  • Radiators: Entrance 120/240/360mm and 140/280mm + Prime 120/240mm + Rear 120mm
  • Options 2 x 2.5”/3.5” and three x 2.5” (devoted) bays.
  • Most: GPU size 315mm, CPU cooler peak 170mm, and commonplace ATX PSU size 175mm.
  • Mud filters: Backside Fan + PSU, Entrance Followers and Prime Followers.
  • Has 7 PCI enlargement slots.
  • Entrance I/O Panel: 2 x USB 3.0, Audio In & Out.

This Meshify C provides optimum airflow, with assist for as much as seven 120mm followers. It even comes with two pre-installed retail grade Dynamic X2 GP-12 followers. This case nevertheless wasn’t designed with liquid cooling in thoughts.

In case you’re available in the market for a mid-range chassis with a sturdy construct, the Meshify C is the proper alternative for you. In case you’re not a fan of noisy circumstances or plan on putting in a liquid-cooler, you would possibly wish to think about another choices.


  • Helps a number of water-cooling radiators
  • Airflow is nice
  • Cable administration is superb
  • Comes with two wonderful 120mm followers
  • Is simple to assemble
  • Has loads of mud filters
  • Construct is sturdy
  • Cons:

  • May be barely noisy
  • Entrance I/O panel isn’t that nice
  • Spacing is kind of compact and doesn’t assist outsized ATX boards or longer PSUs
  • Backside Line: For the worth vary, this case is an incredible chassis. It provides stable construct high quality with loads of airflows and enhanced liquid cooling assist.
    Examine Costs

    10. Rosewill Challenger S – Greatest Finances Small ATX Case

    ROSEWILL ATX Mid Tower

    The Rosewill Challenger S is our funds decide, nevertheless it’s nonetheless full of options.

    Key Options:

    • Motherboard Assist: Micro ATX and ATX
    • GPU Size: As much as 360 mm
    • CPU Cooler Top: As much as 170 mm
    • Followers Preinstalled: 2 120 mm consumption followers, 1 120 mm exhaust fan
    • Fan Slots Accessible: As much as 5 120 mm followers
    • Facet Panel Window: N/A
    • PSU Measurement Assist: Customary ATX
    • I/O Ports: 1 USB 3.0, 2 USB 2.0, and 1 Audio Port
    • Extras: LED consumption followers

    The included twin blue LED consumption followers are a pleasing further, as is the 120 mm consumption fan. In case you’re a funds consumer, this case is very interesting, because it has a fully-functional airflow setup out-of-the-box, with none further tweaking wanted from you.


    • The three included followers
    • The low value
    • Respectable assist for GPUs and air coolers, regardless of its measurement

    • Only one USB 3.0 port
    Backside Line
    The Rosewill Challenger S case is the most suitable choice for many who desire a small, however low cost ATX chassis.
    Examine Costs

    11. Corsair iCue 220T – Greatest Tempered Class Sensible ATX Case

    Corsair Icue 220T

    The Corsair iCue 220T is a part of Corsair’s new iCue case sequence, centered on offering the greatest expertise with their RGB product lineup.

    Key Options:

    • Motherboard Assist: As much as ATX
    • GPU Size: As much as 300 mm
    • CPU Cooler Top: As much as 160 mm
    • Followers Preinstalled: 3 120 mm RGB followers
    • Fan Slots Accessible: As much as 6 120 mm followers
    • Facet Panel Window: Tempered Glass
    • PSU Measurement Assist: As much as 180 mm
    • I/O Ports: 2 USB 3.0, 1 Audio Port
    • Extras: RGB consumption followers, detachable mud filters

    The included RGB followers, nice consumption design, and not-too-small design make this an important alternative for any consumer.


    • 3 included RGB followers
    • Pretty stable construct high quality and constructing expertise
    • All-around nice assist for CPU coolers, GPUs, and PSUs

    • Pretty excessive value
    • No included exhaust fan- although this may be mounted by transferring one of many three included followers to the again

    Backside Line:

    The Corsair iCue 220T is among the greatest small ATX circumstances on the market, however its RGB extras come at a value premium.

    Examine Costs

    Useful Shopping for Ideas!

    Simply because it’s a small type issue ATX case doesn’t imply it gained’t home the usual ATX elements. When shopping for compact circumstances, you wish to deal with the next:

    1. Construct’s Parts – If you have already got the primary components of your construct, you wish to go for a case that’s roomy sufficient to accommodate them. Not a comfortable match that provides you with a troublesome constructing expertise. Examine the CPU peak, GPU size, and PSU size.
    2. Case Construct-High quality – Don’t be carried away with good wanting circumstances which have been constructed with low cost supplies. All-steel or aluminum circumstances provide the very best chassis for sturdiness.
    3. Expandability – Think about how simple it’s to develop your system sooner or later. Extra drive bays and PCIe slots guarantee you can add some further elements to enhance the efficiency of your system.
    4. Air Circulate – Other than going for a case with a roomy design, deal with the cooling choices. Most compact ATX circumstances include poorly designed fan/radiator areas. Some solely pack lower than two 120mm fan choices. Make sure that your ultimate case provides the very best airflow to maintain your system working cool.
    5. Cable Administration – Similar to airflow and inside house, additionally think about cable administration. Go for the choices which have cut-out areas and cable routing channels.

    Remaining Remarks

    Shopping for your ultimate small laptop case doesn’t must be an awesome enterprise. With the above circumstances, you must be capable to discover your ultimate decide that may make a compact but highly effective PC construct.

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