PC Case Sizes: Full Tower vs Mid Tower vs Mini
A mid tower fits a standard ATX board and suits most builds, a full tower adds room for big boards and cooling, and small cases trade space for size.
By Paul SyversonFounder.
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The short answer
PC case sizes are named by how big a motherboard they hold and how much room they leave for parts:
- Small form factor (SFF): the smallest cases, usually for Mini ITX boards, sometimes Micro ATX.
- Mini tower: usually takes Mini ITX and Micro ATX boards, with more room to build than an SFF case.
- Mid tower: fits ATX and larger boards. Corsair calls it the standard desktop size.
- Full tower: the largest, made to fit any motherboard, with room for several radiators and custom water cooling.
Case names are not a formal standard, so the motherboard sizes a case lists matter more than the label.
Mid tower vs full tower
For most builds the choice is a mid tower. It takes a full ATX board and, in many current models, a large graphics card. Corsair notes that some versions of the largest current cards are well over 32 cm (13 inches) long and may not fit every mid tower, so check the case's maximum graphics card length against the card you plan to use.
A full tower makes sense when you need the space: an extended ATX (E-ATX) board, more drives, or a custom liquid cooling loop with several radiators, pumps and tubing. Corsair describes full towers as increasingly rare.
On Wiki Shopping, 86 PC cases list a mid tower size and 16 list a full tower size.
Case size follows motherboard size
The board you choose sets the smallest case you can use. Corsair gives these board sizes:
| Board | Size | Memory slots | Typical case |
|---|---|---|---|
| ATX | 305 x 244 mm | Four | Mid tower or full tower |
| Micro ATX | 244 x 244 mm | Four | Mini tower or larger |
| Mini ITX | 170 x 170 mm | Two | Small form factor or larger |
A smaller board fits in a larger case built for bigger boards, but not the other way around. Our motherboard form factor guide covers the boards in more detail.
Case listings on Wiki Shopping also state which boards they fit: 100 cases list ATX, 33 Micro ATX, 31 Mini ITX and 31 E-ATX. One case can list several sizes.
Small cases: what you give up
Small form factor and mini tower cases take less desk space, but there is less room inside. A Mini ITX board has one full-length expansion slot and two memory slots. Smaller cases also limit the size of coolers and graphics cards, so check each part's fit before buying. Some compact cases still take large parts: Corsair lists a Micro ATX small form factor case of its own that fits a 360 mm radiator in the roof and graphics cards up to 365 mm long.
On Wiki Shopping, 9 cases list small form factor and 6 list mini tower.
What to check before you buy
- Motherboard support: the board sizes the case lists.
- Graphics card length: the case's maximum, against your card's length.
- Radiator and cooler support: sizes and positions, if you plan liquid cooling or a tall air cooler.
- Airflow and panels: 82 cases on Wiki Shopping list a mesh or airflow front, 106 a tempered glass panel and 74 include fans.
How we count
Tower size, supported boards and features are read from each case's store listing. Of the 230 PC cases listed on October 26, 2026, 117 state a tower size; the rest are left out of those counts. Counts change as listings are added or removed.
Shop by spec
PC Cases
Spec score 9.1
ATX, Mid tower
+Four 120mm ARGB Lite fans included
+Fits a GPU up to 420mm long
+Fits a 360mm radiator for liquid cooling
$84.99-43%List: $149.99
as of 11/04/2026 08:06 PST - DetailsProduct details
$84.99as of 11/04/2026 08:06 PST - Details
View on AmazonSpec score9.1
Pros
+Four 120mm ARGB Lite fans included
+Fits a GPU up to 420mm long
+Fits a 360mm radiator for liquid cooling
+Wood trim on the side panel
Compared with this page+420mm graphics card length: only 6 of 99 here have a higher graphics card length
+360mm largest radiator: only 12 of 107 here have a higher largest radiator
How pros and cons are picked (About: Disclaimer)Other stores (1)
Best BuyVisit store
About this product
- 【Wrapped in Wood】To perfectly accent your View we added an extra stained wood trim to the side of our View 380 XL WS for that perfect set up.
- 【Built for the View】Wrapped with a combination of 4mm Tempered glass and mesh panels that View 380 XL provides an excellent look at the system inside while still providing plenty of cooling.
- 【Hidden Connector Support】 Extra cutouts allow support for ATX hidden connector motherboards such ASUS BTF, MSI PROJECT ZERO, and GIGABYTE PROJECT STEALTH to hide cables for a cleaner build.
- 【Its Pretty Roomy in Here】Featuring support for up to ten 120mm fans as well as 360mm radiator support on the top and side of the chassis. Even maxxed out on cooling the View 380 XL has plenty of space to work in while building and maintenance.
- 【Cool Out the Box】Preinstalled are three 120mm ARGB Lite fans mounted on the side angeled tray as intake along with a single additonal fan mounted in the rear as exhaust to start you off.
Spec score 9.1
ATX
+Breathable fabric panels for airflow
+Cross-flow fan designed for airflow
+Fits a GPU up to 420mm long
−Fabric panels are not rigid glass
$98.11-35%List: $149.99
as of 11/04/2026 08:07 PST - DetailsProduct details
$98.11as of 11/04/2026 08:07 PST - Details
View on AmazonSpec score9.1
Pros
+Breathable fabric panels for airflow
+Cross-flow fan designed for airflow
+Fits a GPU up to 420mm long
+Fits a 360mm radiator for liquid cooling
Cons−Fabric panels are not rigid glass
Compared with this page+420mm graphics card length: only 6 of 99 here have a higher graphics card length
+360mm largest radiator: only 12 of 107 here have a higher largest radiator
How pros and cons are picked (About: Disclaimer)Other stores (1)
Best BuyVisit store
About this product
- A WHOLE NEW FEELING FOR BUILD: Features a unique fabric front panel and cross-flow fan, TRYX FLOVA mid-tower White ATX PC Case combines aesthetic and cooling performance as a premium studio-grade finish for long-lasting elegance in your gaming PC case or workstation setup.
- FABRIC-CRAFTED AESTHETIC: More than just a PC case, TRYX FLOVA White PC case is also designed as a piece of modern home decor. The front panel is wrapped in premium speaker-grade fabric, offering a soft, inviting texture that feels like a piece of modern furniture. Designed for style and substance, the fabric delivers smooth airflow while being resistant to shrinking and humidity. When it's time for a refresh, the panel is easily removable for simple cleaning.
- EASY CLEANING: The detachable front fabric panel of TRYX FLOVA White pc case can be quickly taken off for thorough maintenance. Effortlessly wipe away dust, pet hair and surface stains, then snap it back into place, keeping your PC case fresh with minimal work. For front panel disassembly and washing, please refer to the manual for details and guidance.
- TRYX CROSS-FLOW FAN: Experience a quiet white PC case with the innovative TRYX FLOVA ATX PC case cross-flow fan, which allows a powerful new way to keep your components cool. The cross-flow fan intake cold air from the side panel of the PC case and precisely directs the cold air to heat sources in quiet operation, which redefining thermal management for high airflow cases.
- AIRFLOW GUIDE: TRYX FLOVA ATX PC case white gives proper solution to adapt your CPU cooling setup. Its unique cross-flow fan includes a removable air guide blade. For AIO liquid coolers, keep it installed to angle airflow upward, optimizing bottom-to-top ventilation. For CPU air coolers, simply unscrew and remove the blade to create a direct, unimpeded airflow channel for peak cooling efficiency.
- SPACIOUS & INTERNALS: With a generous 58L capacity, TRYX FLOVA White ATX PC case provides ample room for high-end components. Enjoy full support for the latest 420mm graphics cards, 360mm AIO radiators, and extensive storage options, making it an ideal ATX case for powerful builds.
- M/B COMPATIBILITY & CABLE MANAGEMENT: The TRYX FLOVA white PC case supports ATX, M-ATX, and Mini-ITX motherboards, including latest BTF / Project Zero (back-connector) designs. Features a deep 40mm backplate for exceptional cable management, creating a clean and organized build in this ATX mid-tower case.
- MODERN I/O PORT: Equipped with a versatile I/O panel including a high-speed USB Type-C 3.2 Gen 2x2 port, two USB 3.2 Type-A ports, and separate audio/mic jacks. This gaming PC case offers the latest connectivity for fast data transfer and peripheral support.
mATX, Mini tower
+Mini tower size with mATX and Mini-ITX support
+Fully meshed front panel for airflow
+Supports graphics cards up to 355mm
−Mini-ITX and mATX only, no full ATX boards
$62.99-26%List: $84.99
as of 11/04/2026 13:10 PST - DetailsProduct details
$62.99as of 11/04/2026 13:10 PST - Details
View on AmazonPros
+Mini tower size with mATX and Mini-ITX support
+Fully meshed front panel for airflow
+Supports graphics cards up to 355mm
Cons−Mini-ITX and mATX only, no full ATX boards
Compared with this page−355mm graphics card length: 59 of the 99 here have a higher graphics card length
How pros and cons are picked (About: Disclaimer)About this product
- Edgy, asymmetrical design with full mesh front panel
- Mini tower with great expandability that supports up to three 3.5" HDDs and four 2.5" SSDs
- Supports a 240mm liquid CPU water cooling kit in the front of the case
- Supports high-end graphics cards with a length of up to 355mm (14 inches)
- Supports CPU air coolers with heights up to 160mm (6.3 inches)
- Supports SuperSpeed USB 3.0
- Removable dust filter under the power supply mount area for easy maintenance
Spec score 9.1
E-ATX
+Panoramic glass panel for viewing components
+Supports E-ATX motherboards
+Includes four fans for cooling
−Large E-ATX form factor needs substantial desk space
$84.99-6%List: $89.99
as of 11/03/2026 23:01 PST - DetailsProduct details
$84.99as of 11/03/2026 23:01 PST - Details
View on AmazonSpec score9.1
Pros
+Panoramic glass panel for viewing components
+Supports E-ATX motherboards
+Includes four fans for cooling
+Supports GPUs up to 412 mm long
+Supports radiators up to 360 mm
Cons−Large E-ATX form factor needs substantial desk space
Compared with this page+360mm largest radiator: only 12 of 107 here have a higher largest radiator
+412mm graphics card length: 69 of the 99 here have a lower graphics card length
How pros and cons are picked (About: Disclaimer)Other stores (1)
Best BuyVisit store
About this product
- Sleek dual-chamber design with a panoramic view into its clean, decluttered interior
- Includes four reverse-blade fans and ventilated panels for out-of-the-box airflow
- Supports further cooling with space for top-mounted radiators up to 360 mm
- Designed for gaming with support for graphics cards up to 412 mm in length
- Tool-free access with easily removable panels including a glass side and front