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CASES
PC CASES: WHAT TO CONSIDER BEFORE BUYING
A PC case (also called a chassis or tower) is the enclosure that houses and protects all your computer’s internal components.
With thousands of models available, many users pick a case purely for its looks — but design should never be the only deciding factor.
Practical aspects like airflow, size, and compatibility are equally important for performance and ease of assembly.
Below are the most essential features to review before purchasing a case.
1. DIMENSIONS
Case size determines what parts can physically fit inside — including the motherboard, power supply, graphics card, and cooling system.
Cases are categorized by size and compatibility to help builders choose the right match for their setup.
FULL TOWER
Full Tower cases are the largest type available, providing maximum space for components, excellent airflow, and advanced cooling options.
They are ideal for high-end gaming rigs, workstations, or systems with multiple GPUs or custom water loops.
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Typical dimensions: 55–75 cm (H), 22–26 cm (W), 55–60 cm (D)
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Supported motherboards: E-ATX, ATX, Micro-ATX, Mini-ITX
MID TOWER
Mid Tower cases are the most popular form factor thanks to their balance of size, airflow, and compatibility.
They’re suitable for most users, from gamers to professionals, offering plenty of internal room without taking up too much desk space.
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Typical dimensions: 45–55 cm (H), 20–22 cm (W), 45–50 cm (D)
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Supported motherboards: ATX, Micro-ATX, Mini-ITX
MINI TOWER
Mini Towers are smaller and more compact, intended for basic or lightweight systems.
While ideal for office PCs or secondary computers, limited space can make cooling more difficult in performance-heavy builds.
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Typical dimensions: 35–45 cm (H), 17–20 cm (W), 40–45 cm (D)
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Supported motherboards: Micro-ATX, Mini-ITX
MINI-ITX / SMALL FORM FACTOR (SFF)
Mini-ITX cases are the most compact option available, designed for minimalist or portable setups.
They’re perfect for small gaming PCs, media centers, or space-saving builds, but assembly can be more challenging due to tight internal space.
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Typical dimensions: 25–35 cm (H), 15–20 cm (W), 30–40 cm (D)
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Supported motherboards: Mini-ITX only
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Notes: Often supports just one small GPU and limited cooling options (1–2 fans). Uses SFX power supplies to save space.
2. COMPONENT SIZE COMPATIBILITY
Motherboards
Motherboards come in different form factors — ATX, Micro-ATX, and Mini-ITX — and must match the case you choose.
For instance, an ATX board requires at least an ATX-compatible case. Using a larger case than necessary is fine, though it may look oversized.
Some cases also include mounting points or brackets for fitting larger boards.
Coolers and Radiators
If you plan to use a liquid cooling system (AIO), check that your case supports the radiator size you intend to install.
Common sizes include 120 mm, 240 mm, 280 mm, 360 mm, and 420 mm.
Also verify where the radiator can be mounted — typically top, front, or rear.
Clearance for Fans and Components
Ensure your case provides enough clearance for components and airflow.
Fans, radiators, and large GPUs should fit without blocking access to the motherboard, RAM, or power connectors.
Always review the manufacturer’s specifications for maximum cooler height, GPU length, and radiator thickness.
Power Supplies
PSUs come in several form factors, such as ATX, SFX, and SFX-L.
Choose one that fits your case’s PSU bay:
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Standard ATX cases use ATX PSUs.
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Compact builds usually require SFX or SFX-L models.
Some SFX units include adapter brackets to fit inside full-size ATX cases.
3. MATERIALS
Material choice affects both airflow and aesthetics.
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Mesh Panels:
Increasingly popular in modern gaming cases, mesh panels allow excellent airflow through perforated surfaces that help draw in cool air and expel heat efficiently. They are a top choice for performance-oriented builds. -
Tempered Glass:
Tempered glass side panels add a premium, modern appearance while showcasing your PC’s components.
Unlike standard glass, tempered versions are more resistant to impacts and scratches, making them both stylish and durable.
4. FANS AND AIRFLOW
Good airflow is essential for maintaining optimal temperatures and extending component lifespan.
Most cases come with one or more pre-installed fans, typically 120 mm or 140 mm in size, positioned at the front or rear for balanced ventilation.
However, high-performance systems can benefit from adding additional fans to enhance cooling.
Before purchasing extra fans, make sure the case supports them — check both the mounting points and fan size compatibility.
💨 Tip: Ideal airflow relies on the combination of case design, fan placement, and clean cable management.
Look for cases with mesh intakes, top vents, and rear exhausts for efficient cooling.
For deeper insights, refer to our detailed AIRFLOW guide.
5. FRONT I/O PORTS AND CONTROLLERS
Modern cases vary in their front panel connectivity.
Typical options include:
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USB 2.0
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USB 3.0
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USB-C (for faster data transfer and device charging)
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3.5 mm audio jacks for headphones and microphones
Some premium models also include built-in RGB or fan controllers, allowing you to manage lighting and cooling directly through buttons or software.
If you plan to expand your RGB setup, look for cases with hub support or compatibility with external RGB controllers.
RECOMMENDED CASES
Many featured cases are available in different color options to match your build’s theme.
Before making a purchase, confirm your hardware’s compatibility using this online tool (link).
For further information about optimizing cooling, check out our comprehensive article on AIRFLOW.