Are you on the hunt for the perfect small form factor ATX computer case? With so many factories out there, it’s crucial to know which ones stand out. Discovering the best options can elevate your build’s performance and aesthetics. Dive in to find your ideal case today!
The 11 Best Smallest ATX Cases for a Compact PC Build
Product Details: Raijintek Thetis Window Mid Tower Computer Case
Technical Parameters:
– Measurements: 14.2 x 8.3 x 14.4 inches
– Motherboard Support: ATX, Micro ATX, Mini ITX
Application Scenarios:
– Compact PC builds
– HTPC setups
Pros:
– Supports standard-sized components
– Compact dimensions
Cons:
– Only supports inverted motherboard layout
– Comes with only one case fan
10 Smallest ATX Cases for Compact Builds 2025 Updated – PC Cores
Product Details: Cooler Master MasterBox Q500L – Best Cube ATX Case
Technical Parameters:
– Measurements: 15.2 x 9.1 x 15 inches
– Radiator Support: 240mm, GPU Length: 360mm, Included Fans: (3) 2x 140mm, 1x 120m…
Application Scenarios:
– Portable PC builds for gaming or general use
– Compact setups in limited spaces
Pros:
– Robust cooling with excellent airflow
– Versatile orientation (vertical and horizontal)
Cons:
– Lacks RGB lighting
– Limited space for cable management
13 Best Small ATX Cases for Compact Builds – Setupgamers
Product Details: Lian Li Case O11D Mini
Technical Parameters:
– Motherboard: ATX
– Dimensions [L×W×D]: 16.5″ x 10.6″ x 15.0″
– Volume: 38L
Application Scenarios:
– Compact builds requiring efficient cooling
– Users looking for a modular design for easy upgrades
Pros:
– Excellent build quality
– Modular design for ATX, M-ATX, ITX
– Easy to build inside
– Includes fan filters
– Superb cable management
Cons:
– Does not support ATX PSU
– Thumbscrews a little hard to turn
– Top cover could have more holes
– No included fans
10 Best Slim ATX Cases for Tiny Space Builds 2025 – PC Cores
Product Details: Thermaltake Core G3 – Best Slim ATX Case
Technical Parameters:
– Slimness: 5.5 inches thin
– Motherboard: ATX, Micro-ATX, Mini-ITX
– Dimensions: 17.9 x 14.6 x 5.5 inches
– Included Case Fans: 2x 120mm
– GPU Length: 310mm
– CPU Cooler Height: 110mm
– Liquid Cooling Support: 1x 240mm
Application Scenarios:
– VR gaming setups
– Space-saving HTPCs
– Modern minimalist minicomputers
Pros:
– Excellent airflow with perforated front
– Compatible with water cooling
– Compact design ideal for small spaces
Cons:
– Requires SFX power supply, not ATX
– Large GPUs need riser cable
– Limited space for cooling options
Smallest ATX Cases for Best Compact PC Builds in 2023
Product Details: Corsair Carbide Air 540 – Best overall compact ATX Case
Technical Parameters:
– Supports E-ATX, ATX, mATX, and Mini-ITX
– Maximum GPU length 320mm, CPU cooler height 170mm, standard ATX PSU length 250mm
Application Scenarios:
– Ideal for overclocking systems
– Suitable for compact builds in tight spaces
Pros:
– Runs quiet
– Outstanding cooling capabilities
Cons:
– A little bit pricey for budget PC builders
– Only comes pre-equipped with the front dust filter
Ultimate Small Form Factor Pc | SFF time | ATX Case
Product Details: P-ATX V3 case designed for compact efficiency, accommodating high-end hardware in a minimalist form factor.
Technical Parameters:
– 10.4 L volume with 377.5 x 340 x 81 mm outer dimensions
– Supports ATX motherboards, SFX power supplies, dual-slot GPUs, and triple-slot G…
Application Scenarios:
– Ideal for users seeking a compact PC build without sacrificing performance
– Suitable for gaming, content creation, and general computing in a space-constrai…
Pros:
– Sleek and durable aluminum construction with a powder-coated finish
– Designed for optimal airflow and compatibility with high-end components
Cons:
– Limited space may restrict certain hardware configurations
– Potential challenges in cable management due to compact design
Best Smallest ATX Cases of 2025 (Slim & Compact) – Easy PC
Product Details: JONSBO D41
Technical Parameters:
– Front Panel USB: USB 3.2 Gen 2 Type-C + USB 3.2 Gen 1 Type-A
– Max Video Card Length: 330 mm / 12.992″
Application Scenarios:
– Best for Water Cooling
– Compact ATX case with LCD panel
Pros:
– Space-efficient layout
– Excellent airflow and water-cooling
Cons:
– Limited space for bulkier cables
– Doesn’t feature a handle
The Best Small ATX Cases (2024 Guide) – InformedTechie
Smallest ATX Cases for Best Compact PC Builds in 2025
Product Details: Corsair 4000D Airflow
Technical Parameters:
– Dimensions: 450mm x 230mm x 466mm
– Weight: 7.5 kg
Application Scenarios:
– Compact PC builds
– Gaming and general use
Pros:
– Excellent cooling potential with multiple fan placements
– Tool-free drive installation for easy access
Cons:
– Limited GPU clearance (up to 360mm)
PC case sizes explained: all form factors available in 2025
Related Video
Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| The 11 Best Smallest ATX Cases for a Compact PC Build | Raijintek Thetis Window Mid Tower Computer Case | – Supports standard-sized components – Compact dimensions | – Only supports inverted motherboard layout – Comes with only one case fan | voltcave.com |
| 10 Smallest ATX Cases for Compact Builds 2025 Updated – PC Cores | Cooler Master MasterBox Q500L – Best Cube ATX Case | – Robust cooling with excellent airflow – Versatile orientation (vertical and horizontal) | – Lacks RGB lighting – Limited space for cable management | pccores.com |
| 13 Best Small ATX Cases for Compact Builds – Setupgamers | Lian Li Case O11D Mini | – Excellent build quality – Modular design for ATX, M-ATX, ITX – Easy to build inside – Includes fan filters – Superb cable management | – Does not support ATX PSU – Thumbscrews a little hard to turn – Top cover could have more holes – No included fans | www.setupgamers.com |
| 10 Best Slim ATX Cases for Tiny Space Builds 2025 – PC Cores | Thermaltake Core G3 – Best Slim ATX Case | – Excellent airflow with perforated front – Compatible with water cooling – Compact design ideal for small spaces | – Requires SFX power supply, not ATX – Large GPUs need riser cable – Limited space for cooling options | pccores.com |
| Smallest ATX Cases for Best Compact PC Builds in 2023 | Corsair Carbide Air 540 – Best overall compact ATX Case | – Runs quiet – Outstanding cooling capabilities | – A little bit pricey for budget PC builders – Only comes pre-equipped with the front dust filter | www.technewstoday.com |
| Ultimate Small Form Factor Pc | SFF time | ATX Case | P-ATX V3 case designed for compact efficiency, accommodating high-end hardware in a minimalist form factor. | – Sleek and durable aluminum construction with a powder-coated finish – Designed for optimal airflow and compatibility with high-end components |
| Best Smallest ATX Cases of 2025 (Slim & Compact) – Easy PC | JONSBO D41 | – Space-efficient layout – Excellent airflow and water-cooling | – Limited space for bulkier cables – Doesn’t feature a handle | www.easypc.io |
| The Best Small ATX Cases (2024 Guide) – InformedTechie | informedtechie.com | |||
| Smallest ATX Cases for Best Compact PC Builds in 2025 | Corsair 4000D Airflow | – Excellent cooling potential with multiple fan placements – Tool-free drive installation for easy access | – Limited GPU clearance (up to 360mm) | umatechnology.org |
| PC case sizes explained: all form factors available in 2025 | www.techradar.com |
Frequently Asked Questions (FAQs)
What is a small form factor ATX computer case?
A small form factor ATX computer case is a compact version of the standard ATX case, designed to hold all essential components while saving space. These cases are ideal for users with limited room or those who prefer a minimalist setup, allowing for efficient cooling and cable management without sacrificing performance.
What are the benefits of using a small form factor ATX case?
Using a small form factor ATX case offers several advantages, including space efficiency, portability, and often a sleek design. These cases can help you create a tidy workspace and are easier to transport, making them perfect for gamers and professionals on the go.
Can I upgrade components in a small form factor ATX case?
Yes, you can upgrade components in a small form factor ATX case, but it’s essential to check compatibility. Ensure that your new parts, such as graphics cards or cooling systems, fit within the case’s dimensions. It’s always a good idea to plan your upgrades ahead of time to avoid any surprises.
Are small form factor ATX cases suitable for gaming?
Absolutely! Small form factor ATX cases can be very suitable for gaming. Many models support powerful hardware, including high-end graphics cards and sufficient cooling solutions. Just be mindful of airflow and component sizes to ensure optimal performance during gaming sessions.
How do I choose the right small form factor ATX case for my needs?
To choose the right small form factor ATX case, consider factors like size, cooling options, and expandability. Think about your specific needs, such as the type of components you plan to use and how much airflow is necessary. Reading reviews and checking user feedback can also help you make an informed decision.
