Best Open Air Computer Cases (July. 2026) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

PC Test Bench, Open Air PC Case, Open Frame Computer Chassis, Techbench Serve...

9.8
CPR Score
Top 2

ALAMENGDA DIY Pc Test Bench, Open Chassis Case Rack for ATX/M-ATX/ITX Motherb...

9.8
CPR Score
Top 3

DIY Open Frame PC Chassis, Aluminum Computer Case, Supports ITX Motherboard, ...

9.7
CPR Score
Tips


Below is a list of the top 27 best Open Air Computer Cases. Our team has selected the top products by analyzing and evaluating 201 products of different Computer Components brands, including Generic, Cooler Master, RGEEK And HOMSFOU. Hope this listing can make your shopping choice much easier.

* CherryPicks.Reviews is reader-supported, Our editor review, and recommend the best products based on extensive data analysis, if you click on the product links, we may earn a commission through qualifying products purchased.

The Best Open Air Computer Cases Rated by CherryPicks

Market Overview
Open Air Computer Cases Reviewed
  • Reviews Analyzed: 15,523 Items
  • CPR Avg. Rating: 8.6 / 10
27 Products Evaluated
  • Highest Price: $230.00
  • Lowest Price: $15.29
  • Avg. Price: $49.52
Price Disclaimer

Top 27 Open Air Computer Cases on Amazon (Verified You can Buy)

PC Test Bench, Open Air PC Case, Open Frame Computer Chassis, Techbench Server Rack Mount PC Case for ETAX ATX MATX ETAX X79 X99 Micro ATX Motherboards (Stackable)

JOYJOM
PS091
6.5 x 10.43 x 13.78 inches

Ratings for JOYJOM (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
GAMOREKHK -

Features

Premium Material: Engineered with 1.5mm SPCC panels and a 0.8mm base plate for superior rigidity. The sandblasted finish guarantees added protection and lasting performance
Flexible Placement Options: Measuring 435 x 340 x 195 mm(17.12 × 13.38× 7.67 inch), this case supports both horizontal and vertical placement. It is stackable up to 10 units horizontally, making it an ideal solution for workstations and server racks.
Show More

ALAMENGDA DIY Pc Test Bench, Open Chassis Case Rack for ATX/M-ATX/ITX Motherboards,Widely Body Heat Dissipation Design Open Air Pc Case, SSD Motherboards Accessories (1 Pc)

ALAMENGDA
AL
18.0 x 13.0 x 1.5 inches
2.6015 pounds

Ratings for ALAMENGDA (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Almd-pc -

Features

1.Material: high-quality 0.8mm SPCC steel plate, the surface is baked with black sand grain paint;
2. Number of graphics cards supported: According to the motherboard, the length and width of graphics cards are not limited;
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Top 3

DIY Open Frame PC Chassis, Aluminum Computer Case, Supports ITX Motherboard, Excellent Cooling, Type-C Support

DALAIBUKESI
7.9 x 9.4 x 9.4 inches
4.0 Pounds

Ratings for DALAIBUKESI (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Creator Diy -

Features

DIY Chassis Installation Enjoy the flexibility of building your custom PC with this open-frame chassis. Perfect for enthusiasts looking to personalize their setup.
Graphics Card Support: Unlimited Length Accommodates any graphics card, no matter the length, offering flexibility for powerful, high-end GPU setups.
Show More

Cooler Master MasterBox Q300L Micro-ATX Tower with Magnetic Design Dust Filter, Transparent Acrylic Side Panel, Adjustable I/O & Fully Ventilated Airflow, Black (MCB-Q300L-KANN-S00)

Cooler Master
MCB-Q300L-KANN-S00
15.387 x 9.0551 x 15.0 inches
1.0582 Pounds
  • Manual: English
  • Manual: German
  • Manual: French
  • Manual: Italian
  • Manual: Spanish

Ratings for Cooler Master (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Amazon Resale -

Features

I/O panel can be adjusted in 6 different locations and the Case can be positioned: Vertical or horizontal
Edge to edge acrylic transparent side panel offers a full view inside
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PC Test Bench,Open Air PC Case,Open Frame Computer Chassis, DIY Stackable Techbench Server Rack Mount PC Case for ATX MATX ETAX X79 X99 X10DRL-I X12DPI-N6 Micro ATX Motherboards

JOYJOM
PC096
16.93 x 17.13 x 7.68 inches

Ratings for JOYJOM (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
GAMOREKHK -

Features

High Quality Material: the case uses 1.5mm thick SPCC for all panels (front, rear, sides) and mounting brackets, with a 0.8mm SPCC base plate that provides excellent structural rigidity. The sandblasted surface treatment offers additional protection.
The case dimensions is 435 x 340 x 195mm (17.13 × 13.39× 7.68 inch), Supports both horizontal and vertical placement, stackable up to 10 units in horizontal mode. it is a good options for workstation, server rack...
Show More

ABK Design, Wall Computer Case - Wall Mount Computer Case - Gaming PC Case - Wall Mount ATX Case - Wall PC Case for PC Gaming - Computer Cases for PC Computer - Pc Case, Pc Chassis

abk design show off your style with our unique designs
1.18 x 27.0 x 20.8 inches
12.1254 Pounds

Ratings for abk design show off your style with our unique designs (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
ABK Design -

Features

Handcrafted Wall PC Case: Built with rust-resistant stainless steel and coated with durable electrostatic powder paint, this ATX open PC case combines functionality and a sleek design. Perfect for gamers, streamers, and those seeking a unique gaming PC case.
Custom Liquid Cooling Support: Designed to support one 240mm or 280mm liquid cooling system, this wall mount gaming PC case is ideal for PC enthusiasts looking to build custom liquid-cooled gaming computers. Air cooling enthusiasts will enjoy unrestricted size compatibility.
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Top 7

DIY Acrylic Open Frame PC Case for MATX, ITX Motherboards – Gaming & Test Bench Rack for PC Builds

DALAIBUKESI
14.5 x 12.0 x 1.5 inches
2.3 Pounds

Ratings for DALAIBUKESI (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Creator Diy -

Features

1. High Transparency Acrylic Material The chassis is made of high-quality transparent acrylic, providing a sleek, modern look and allowing you to showcase your build while ensuring durability and reliability.
2. Air Cooling System Designed for optimal airflow, this open-frame case supports air cooling to maintain a low temperature for your components, preventing overheating during intense workloads.
Show More

Open Air PC Case, PC Test Bench PC Case, ATX Open Frame Computer Case, DIY PC Rack for ATX MATX ITX Motherboards

JOYJOM
5.0394 x 10.4331 x 6.2992 inches
2.5397 Pounds

Ratings for JOYJOM (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
JOYJOM -

Features

Wide compatibility: Motherboard Support ATX,Micro ATX,ITX , support motherboards Max 305*245mm (12*9.6inch), and The length and width of the graphics card are not limited
Power Supply and Hard DriveSupport: Support Standard ATX Power Supply 150 x 86 x (140~250)MM / (5.9x3.39x5.5~9.8 inch), Supports 1pcs HDD and SSD
Show More
Top 9

HOMSFOU Open Air Pc Case Chassis Bracket Micro ATX Motherboard Stand Open Frame Computer Case Compact Design for Component Testing

HOMSFOU
PC4X347I14WJFCD585SC3
0.2 x 8.86 x 0.2 inches
1.32 Pounds

Ratings for HOMSFOU (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Xieheng -

Features

Core Stability Support: This motherboard chassis bracket features a sturdy base stand that ensures reliable stability and prevents tipping during component testing, providing secure support for your open air computer case setup
Transparent Design for Easy Monitoring: the open frame computer case offers clear visibility of internal PC components, enabling convenient observation and efficient hardware testing without the need to open the chassis
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Top 10

PC Test Bench Motherboard Case, Aluminum Open Frame Computer Case Rack Bracket, Support ATX and 180 Water-Cooled,DIY Creative Personality Chassis Set, Vertical Overclocking

Yoqanr
aSP000145-ATX-FBA
13.39 x 7.87 x 13.39 inches

Ratings for Yoqanr (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Yoqanr -

Features

Open Chassis:This product is a lightweight and compact modular bare frame that is easy to disassemble and can be stacked;Open framework provides you with greater space
Excellent Heat Dissipation Performance:This product is compatible with ATX motherboards and supports both air-cooled and water-cooled cooling methods
Show More
Top 11

Open Air Computer Case, PC Frame Test Bench, DIY Computer Motherboard Case Rack, Open Air Frame Chassis Bracket, Vertical Motherboard Chassis for Creative Assembly Support ITX ATX MATX (Red)

SHIPUNAYE

Ratings for SHIPUNAYE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
SUCERI -

Features

Space-saving: The size of this aluminum open air pc case is 30*24.6*35.5cm/11.8*9.7*14inch, so it is very compact. So this chassis can be easily placed on or under a table
Fast Heat Dissipation: This diy computer motherboard case rack is fully open, the host installed on this chassis will quickly and timely dissipate the heat during operation
Show More

Aluminum PC Test Bench, Open Air PC Case, Open Frame Computer Chassis, DIY Techbench Server Rack Mount Horizontally 240 Liquid Cooler PC Case for ATX MATX Micro ATX ITX Motherboard

RGEEK
7.87 x 13.4 x 11.8 inches

Ratings for RGEEK (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
RGEEK US -

Features

The Open Air PC case features a premium Aluminum build and flexible modular design for free DIY assembly, delivers exceptional airflow and heat dissipation with its open frame structure, enables effortless hardware installation, cable management and future upgrades, showcases stunning visual effects for RGB lighting and custom components, and offers ample room for personalized customization while saving desktop space with a compact layout.
This open frame case supports ATX, mATX and ITX motherboards, as well as ATX, SFX and SFX-L power supplies.
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Top 13

PC Test Bench PC Case, Open Air PC Case, ATX Open Frame Computer Case, DIY PC Rack for ATX MATX ITX Motherboards

Generic
16.9 x 10.4 x 5.0 inches
1.76 pounds

Ratings for Generic (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Pstaroth -
Amazon Resale -

Features

COMPATIBILITY: Supports multiple motherboard form factors including ATX, MATX, and ITX, perfect for X79 and X99 builds
OPEN FRAME DESIGN: Test bench style configuration allows easy access to components and superior airflow for better cooling
Show More
Top 14

DIY Open Frame PC Chassis, Aluminum Computer Case, Supports ATX Motherboard, Excellent Cooling, Type-C Support

DALAIBUKESI
7.9 x 11.8 x 14.2 inches
4.5 Pounds

Ratings for DALAIBUKESI (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Creator Diy -
Amazon Resale -

Features

DIY Chassis Installation Enjoy the flexibility of building your custom PC with this open-frame chassis. Perfect for enthusiasts looking to personalize their setup. 
Graphics Card Support: Unlimited Length Accommodates any graphics card, no matter the length, offering flexibility for powerful, high-end GPU setups.
Show More
Top 15

PC Test Bench, Open Air PC Case, Open Frame Computer Chassis, Techbench Server Rack Mount PC Case for E-ATX ATX MATX EATX X79 X99 Micro ATX Motherboards (Stackable)

Pstaroth
PS091
18.5 x 14.17 x 1.77 inches
4.8502 Pounds

Ratings for Pstaroth (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Pstaroth -

Features

Premium Material: Engineered with 1.5mm SPCC panels and a 0.8mm base plate for superior rigidity. The sandblasted finish guarantees added protection and lasting performance
Flexible Placement Options: Measuring 435 x 340 x 195 mm(17.12 × 13.38× 7.67 inch), this case supports both horizontal and vertical placement. It is stackable up to 10 units horizontally, making it an ideal solution for workstations and server racks.
Show More
Top 16

ALAMENGDA Open Computer Case,Open Air Pc Case, Two-Way Server Motherboards AccessoriesTest Stand, DIY Pc Test Bench (ATX)

ALAMENGDA
3.8405 Pounds

Ratings for ALAMENGDA (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Almd-pc -
Top 17

Open Air Frame Computer Case PC Test Bench Aluminum Computer Cases Shell, Support Installation of Water Cooling Devices Compatible with ITX/MATX/ATX Motherboards(MATX Motherboard)

Yoqanr
aSP00012-MATX-ying
5.12 x 11.1 x 5.12 inches

Ratings for Yoqanr (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Yoqanr -

Features

Material: This product is made of aerospace magnesium aluminum alloy, with an actual thickness of 8mm; The surface of the product is treated with metal to reduce the occurrence of corrosion and improve the service life of the product.
Compatibility: Supports standard MATX motherboards, supports installation of 4 hard drives (any solid-state mechanical drive); Supports standard ATX power supply, suitable for long-term high-intensity disassembly; Supporting integrated water-cooled installation (120 140 240 280 360 water-cooled drainage)
Show More
Top 18

PC Creative Assembly Frame Test Bench,Open Air Frame Case, DIY Computer Motherboard Case Rack, ITX ATX MATX/EATX Open Aluminum Frame Chassis (ITX)

egowz
ITX
7.9 x 9.4 x 9.4 inches

Ratings for egowz (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Egowz -

Features

egowz open computer case has excellent compatibility. It can support motherboards of EATX, ATX, M-ATX, and ITX types. Support independent graphics card, which requires optional graphics card accessories.
egowz open chassis can support ATX and SFX type power supplies. It can support hard drives of HDD and SSD types. MATX ATX EATX type motherboards can be equipped with 2 PCIE interfaces.
Show More
Top 19

Egowz PC Creative Assembly Frame Test Bench,DIY Computer Case PC Frame Desktop Chassis Rack Stand Open Air Testbench Fits ATX ITX M-ATX Motherboard (ITX)

egowz
ITX
13.3858 x 6.2992 x 13.3858 inches
6.0 Pounds

Ratings for egowz (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Egowz -

Features

Product Material: 2mm thick steel plate, black powder coating;Product Dimensions: 200*160*340mm
Motherboard Support: This model only supports ITX motherboards, specifically 170*170mm mini-ITX motherboards.
Show More
Top 20

SharGwa PC ITX (17 x 17cm) PC Motherboard Open Air Case Frame, Open Bare Metal Air Water Cooling Fan Stand (Black Red)

SharGwa
9.4094 x 7.874 x 9.4488 Inches
2.6455 pounds

Ratings for SharGwa (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
KIP Ware -
Top 21

DALAIBUKESI DIY Aluminium Pc Open Case Computer Chassis Test Bench Support Water Cooling Support Server chassis Support Itx Matx Atx Eatx (4.E-ATX), silvery

DALAIBUKESI
8.7 x 15.0 x 15.0 inches
4.4092 Pounds

Ratings for DALAIBUKESI (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Creator Diy -

Features

DIY Chassis Installation: Designed for easy DIY installation, this computer chassis is perfect for users who love to customize and build their own PC setups.
Unlimited Graphics Card Support: Capable of accommodating graphics cards of unlimited length, providing flexibility for high-end gaming or workstation builds.
Show More
Top 22

Stackable Open Air Computer Case Rack – Modular PC Frame Chassis for ATX/MATX/ITX Motherboards, Ideal for Studio, Mining Rig, DIY Builds

DALAIBUKESI
Single Case(Stackable)
16.0 x 12.5 x 1.4 inches
2.5 Pounds

Ratings for DALAIBUKESI (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Creator Diy -

Features

1. Single-Layer Price, Stackable Design Price includes one layer only; additional layers are sold separately. This computer case features a stackable design, allowing you to save space and expand your setup, and it supports up to 10 layers—ideal for large-scale builds or mining rigs.
2. Excellent Heat Dissipation Designed with an open frame, this case promotes superior airflow, ensuring your hardware stays cool even during intense workloads. This helps maintain optimal performance and longevity for your components.
Show More
Top 23

DIY Computer Case PC Frame Desktop Open Chassis Case PC Test Bench Support Motherboards MATX and ATX

DALAIBUKESI
Single Case(Not Stackable)
16.0 x 12.5 x 1.4 Inches
2.5 Pounds

Ratings for DALAIBUKESI (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Creator Diy -

Features

✅ Wide Motherboard Compatibility Supports ATX, Micro-ATX, and ITX motherboards, making it ideal for a wide range of builds including gaming setups, testing platforms, and mining rigs.
✅ Efficient Open Frame Design Open chassis allows excellent airflow and natural heat dissipation, helping to keep your components cool and performing at their best without the need for additional fans or water cooling.
Show More
Top 24

Yeiwenl DIY Computer Case PC Frame Desktop Chassis Rack Stand Open Air case Fit ATX X79 X99 Motherboard,Support Vertical Horizontal Water Cooling

Yeiwenl

Ratings for Yeiwenl (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Yeiwenl -

Features

Versatile Design: Open-air frame supports ATX motherboards and allows for vertical or horizontal mounting of components.
Expandable: Supports up to 256mm long graphics cards and 1mm thick radiators for custom liquid cooling solutions.
Show More
Top 25

ATX Matx Itx Pc Test Bench Motherboard Stand Open Frame Air Pc Case Test Bench Vertical Water Cooling Aluminum Support Vertical Horizontal Wall Hanging

Yoqanr
17.3 x 17.3 x 17.3 Inches

Ratings for Yoqanr (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Yoqanr -

Features

[Hard disk location] 2 / solid state / mechanical universal
[Power supply bit] standard large power supply (replaceable SFX power supply fixture)
Show More
Top 26

DIY Aluminium Pc Open Case Computer Chassis Test Bench Support Water Cooling Support Server Chassis Support Itx Matx ATX Eatx (3.ATX)

DALAIBUKESI
7.9 x 11.8 x 14.2 inches
4.4092 Pounds

Ratings for DALAIBUKESI (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Creator Diy -

Features

DIY Chassis Installation: Designed for easy DIY installation, this computer chassis is perfect for users who love to customize and build their own PC setups.
Unlimited Graphics Card Support: Capable of accommodating graphics cards of unlimited length, providing flexibility for high-end gaming or workstation builds.
Show More

DIY Gaming Computer Case, Open Chassis Case Rack for ATX/M-ATX/ITX Motherboards,Widely Body Heat Dissipation Design,Test Bench, Mid Tower,Computer Motherboards Test Bench

TGDGAMER
OPNE-ATX-BLACK

Ratings for TGDGAMER (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Wangchi Online -

Features

Supported 1XSSD/1XHDD
No limit in GPU length
Show More

Top 10 Open Air Computer Cases - Verified to Buy (July 2026)

Top 10 Open Air Computer Cases Brands on Amazon

Here is the list of top-rated brands that were evaluated by CherryPicks.

  • JOYJOM
  • ALAMENGDA
  • DALAIBUKESI
  • Cooler Master
  • abk design show off your style with our unique designs
  • HOMSFOU
  • Yoqanr
  • SHIPUNAYE
  • RGEEK
  • Generic

Related Open Air Computer Cases Guides

For more personalized Open Air Computer Cases guides, Check those pages,



[Get] Open Air Computer Cases Deals (✅Exclusively for Prime)

What does "Amazon Fulfilled" Mean?

Amazon Fulfilled refers to products handled by Amazon's logistics, which indicates that the product is stored, packed, and shipped by Amazon from one of its fulfillment centers.

When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.

What does "Prime" Mean?

"Prime" refers to Amazon Prime Member (Join Amazon Prime Now), which indicates eligibility for Prime benefits. When you see "Prime" next to a product on Amazon, This generally means that if you are  an Amazon Prime member, you can get free two-day shipping on that product, and sometimes even same-day or one-day shipping depending on your location.

Prime members also have access to other benefits, including 2-Day ShippingExclusive Member DealsPrime VideoBuy With PrimeAmazon MusicPrime Gaming, and more.

Shop Prime Open Air Computer Cases Deals

What does "Free Shipping" Mean?

"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.

Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.


Why Should You Trust Us?

Now hundreds and thousands of Computer Components supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Open Air Computer Cases to buy for new July 2026?

CherryPicks’s Methodology for Evaluating Open Air Computer Cases

We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Computer Components items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.

We collected and analyzed 201 of Open Air Computer Cases reviews based on our selection criteria. It helped us shortlist the top qualified and rated Open Air Computer Cases for Computer Components, We found that most customers choose Open Air Computer Cases with an average price of $49.52, and the top brands are Generic, Cooler Master, RGEEK And HOMSFOU

Then our expert-level editors reviewed all those quality items and selected the top 27 Open Air Computer Cases for you, We have researched hundreds of sellers and picked the top sellers for Computer Components, including Amazon Resale, RGEEK US And Amazon.com. The PC Test Bench, Open Air PC Case, Open Frame Com... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 14 consumers with an average rating of 4.8.

We've helped a lot of satisfied users get the right Computers & Accessories product based on their needs, and save lots of time for them to pick Open Air Computer Cases to buy.


Written By John Hilario

John Vincent Hilario is aspiring to become a computer engineer, currently matriculated in the City University of New York. While he enjoys the technical aspects of engineering, John Vincent holds a passion for literature and politics. Writing for ‘CherryPicks’ as a technical writer, he introduces some of the beauty that ‘non-technical writing’ has to offer while at the same time, delivering facts.