Best Micro Atx Computer Cases in 2026

Daisy
Last Updated: Feb 7, 2026

At a Glance: Our Top Picks for Micro Atx Computer Cases

DIY Computer Motherboard Case Rack, Motherboard Chassis Set, Creative Personality ATX/M-ATX/ITX Open Air Frame Chassis Bracket , Vertical Overclocking
#TOP1
Diy Computer Motherboard Case Rack, Motherboard Chassis Set,
5.1
PM SCORE
DIY Computer Motherboard Case Rack, Motherboard Chassis Set, Creative Personality ATX/M-ATX/ITX Open Air Frame Chassis Bracket , Vertical Overclocking
#TOP2
Diy Computer Motherboard Case Rack, Motherboard Chassis Set,
5.1
PM SCORE
PC Open Frame Test Bench Mini ITX Motherboard Overlock Computer Case DIY Mod Base Transparent Acrylic Stand…
#TOP3
Pc Open Frame Test Bench Mini Itx Motherboard
4.9
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Micro Atx Computer Cases of 2026

#TOP1

Diy Computer Motherboard Case Rack, Motherboard Chassis Set, Creative Personality Atx/M-Atx/Itx Open Air Frame Chassis Bracket , Vertical Overclocking

YOQANR
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Electron Amus 5.80

Features

A light and compact bare frame of building blocks, easy to disassemble and can be superimposed.

support ATX, M-ATX, for ITX motherboard. You can even carry it away, which need to be equippped with a handle.The size of bare metal frame after assembly(LxWxH)is approx.12.40x9.69x13.9inch,The chassis needs to be installed by DIY yourself. Be patient

20x20 aluminum profile with stable vertical structure.,Simple aluminum profile construction, for you to fully experience DIY fun.

Open chassis design, good heat dissipation.

Some panels are designed for disassembly at one time, so start after considering and preparing. Regular maintenance of the acrylic panel will maintain the brightness of the original tear film for a long time.Our products guarantee certain safety quality and brand new product status, and have first-class after-sales

Diy Computer Motherboard Case Rack, Motherboard Chassis Set, Creative Personality Atx/M-Atx/Itx Open Air Frame Chassis Bracket , Vertical Overclocking

YOQANR
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Electron Amus 5.80

Features

A light and compact bare frame of building blocks, easy to disassemble and can be superimposed.

support ATX, M-ATX, for ITX motherboard. You can even carry it away, which need to be equippped with a handle.The size of bare metal frame after assembly(LxWxH)is approx.12.40x9.69x13.9inch,The chassis needs to be installed by DIY yourself. Be patient

20x20 aluminum profile with stable vertical structure.,Simple aluminum profile construction, for you to fully experience DIY fun.

Open chassis design, good heat dissipation.

Some panels are designed for disassembly at one time, so start after considering and preparing. Regular maintenance of the acrylic panel will maintain the brightness of the original tear film for a long time.Our products guarantee certain safety quality and brand new product status, and have first-class after-sales

Pc Open Frame Test Bench Mini Itx Motherboard Overlock Computer Case Diy Mod Base Transparent Acrylic Stand…

YOQANR
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Electron Amus 5.94

Features

Open style delivers better performance on cooling, compatibility and maintenance

Suitable for: itx motherboard 17*17cm(6.69*6.69inch)

item size:19.7cm*19.4cm(7.75*7.63inch)

PCL column, itx specification, with two PCI metal column

package include:1*acrylic board,2*PCI Column,1*some screws,4*bottom pads

Itx Motherboard Pc Computer Case,Mini Itx Open Air Frame Computer Overclock Case Computer Motherboards Pc Test Bench, Aluminum Mod Base Motherboard Test Bench Support Atx Power,Convenient Disassembly

YOQANR
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Electron Amus 5.95

Features

【Enjoy Fun】It is a nude building blocks frame, lightweight and convenient disassembly, which can be stacked.Easily assembling with the simple structure, you can fully experience the fun of DIY.

【High Quality Aluminum Alloy】Made of high-quality 20* 20 aluminum alloy, steady for use.

【Good Heat Dissipation】Open frame design has good heat dissipation performance.

【About Product】ATX ordinary large power supply. The blocks bare frame applicate ITX (17 * 17cm/6.7 * 6.7inch) mainboard. Including start/restart switch and indicator light, 2Pcs PCI extended card slot.

【satisfaction guarantee】We support bulk purchase of goods, our team offers every customer 100% satisfaction guarantee. We will provide high-quality products and services, we will update new products every day, Any problems while using, please feel free to contact us.

Atx Motherboard Pc Computer Case,Open Air Frame Overclock Case Computer Motherboards Test Bench Aluminum Mod Base, Lightweight And Convenient Disassembly

YOQANR
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Electron Amus 5.95

Features

Material:Aluminum square column

Applicable motherboard ATX/MATX/ITX,motherboard size is less than 16.5x11inch(42x28cm), compatible with MATX/ITX motherboard

Graphics bit dual graphics cards can be installed

hard disk location 2 individual/ solid state / mechanical universal

power bit ATX power supply (SFX power supply fixings can be replaced)

Matx Motherboard Pc Computer Case,Open Air Frame Overclock Case Computer Motherboards Test Bench Aluminum Mod Base, Lightweight And Convenient Disassembly

YOQANR
1.10 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Electron Amus 5.94

Features

Material:Aluminum square column

Size:14.1 x 11 inch (360mm x 280mm) (L x w)

Applicable motherboard MATX/ITX,motherboard size is less than 24.4x24.4cm(9.6*9.6inch), compatible with ITX motherboard

Hard disk location 2 individual/ solid state / mechanical universal

Power bit ATX power supply (SFX power supply fixings can be replaced)

Top 10 computer cases Brands on Amazon

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

Brand Count
Yoqanr 6

Top 10 computer cases Brands Pie Chart


We've carried out a comprehensive analysis of 66 reviews on computer cases, using our selection criteria to identify the best options in the computers & accessories. Our findings reveal that most customers typically select computer cases priced around $55.88, with top brands including corsair, thermaltake, hyte, amazon basics, musetex, zalman, zeus gamdias, nzxt and cooler master and antec

Our team of expert editors reviewed these high-quality items and handpicked the top 6 computer cases for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the computers & accessories category. These include amazon.com, musetex, zalmanusa, hashtag pc gear and triplenet pricing inc and adamant computers .

We are dedicated to assisting our users in finding the right cases Products based on their needs, saving them considerable time when choosing which computer cases to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.