ASUS A21 PLUS ARGB Mini-Tower PC Case – Black
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- Case Type: Mini-Tower
- Motherboard Support: Micro-ATX | Mini-ITX
- Max GPU Length: 380mm
- Side Panel: Tempered Glass
- Radiator Support: Front: 360mm | Top: 360mm
- Max CPU Cooler Height: 165mm
- Included Fans: 4x 120mm ARGB Fans
- Warranty: 3 Years
- Description
- SPECS
- Brand
- Reviews (0)
Description
ASUS A21 PLUS Micro-ATX Case: Clean Builds, Capable Cooling
The ASUS A21 PLUS is a Micro-ATX case designed for minimalist builders who value clean aesthetics and powerful cooling. It offers broad compatibility for high-end components, including support for hidden-connector motherboards to maximize clean cable management. With four pre-installed ARGB fans and a highly porous mesh front panel, the A21 PLUS provides exceptional performance and style right out of the box.
Unique Features
- Hidden Connector Support: Fully compatible with motherboards featuring hidden connectors (like ASUS BTF), allowing for a super-clean, clutter-free build with minimal visible cables.
- Capable Cooling: A front-panel mesh that is 40% porous maximizes the balance of airflow, dust filtering, and RGB visibility, complemented by four pre-installed 120mm ARGB fans.
- Broad Compatibility: Despite its compact footprint, the A21 PLUS supports up to 360mm radiators, graphics cards up to 380mm in length, and CPU air coolers up to 165mm in height.
- Ample Cable Management: Provides a spacious compartment behind the motherboard that is 33mm wide, helping you keep all your wiring tucked away and tidy.
Quick Specs: ASUS A21 PLUS
| Specification | Details |
|---|---|
| Case Type | Mini-Tower |
| Motherboard Compatibility | Micro-ATX | Mini-ITX | BTF Compatible |
| Clearances | GPU: 380mm | CPU: 165mm | PSU: 210mm |
| Fan Capacity | Up to 7x 120mm or 4x 140mm fans |
| Radiator Capacity | Front: 360mm | Top: 360mm |
| Pre-Installed Fans | 4x 120mm ARGB Fans (3 Front, 1 Rear) |
| Drive Bays | 2x 3.5″/2.5″ Combo | 1x 2.5″ |
| Front I/O Ports | 2x USB 3.2 Gen1 | Headphone | Microphone |
| Colour | Black |
| Warranty | 3 Years |
Check out full specifications under the Specs tab.
Perfect for Clean & Cable-Free Builds
The ASUS A21 PLUS supports hidden-connector motherboards, four pre-installed ARGB fans and generous cable management space, making it an excellent choice for builders who want a clean, organised and professional-looking gaming PC.
Why Choose the ASUS A21 PLUS?
The ASUS A21 PLUS ARGB Mini-Tower PC Case – Black is designed for builders who value clean aesthetics, efficient cooling, and excellent hardware compatibility. With native support for hidden-connector motherboards such as ASUS BTF models, the A21 PLUS allows cables to be routed behind the motherboard tray, creating a clutter-free interior that showcases your components while improving airflow throughout the system.
Despite its compact Micro-ATX footprint, the A21 PLUS offers impressive support for modern gaming hardware. It accommodates graphics cards up to 380mm in length, CPU air coolers up to 165mm tall, and liquid cooling solutions with support for up to 360mm radiators in both the front and top positions. This flexibility makes it suitable for everything from mainstream gaming PCs to high-performance enthusiast builds.
Cooling performance is enhanced by a highly porous 40% mesh front panel that balances airflow, dust filtration, and RGB visibility. Combined with four pre-installed 120mm ARGB fans, the A21 PLUS delivers strong cooling performance straight out of the box while adding vibrant lighting effects to your setup.
The spacious 33mm cable management compartment helps simplify installation and keeps wiring neatly hidden, resulting in a cleaner and more professional appearance. Builders can enjoy the benefits of a compact chassis without sacrificing upgrade potential or ease of assembly.
Whether you’re building a sleek gaming system, an RGB showcase PC, or a clean workstation with hidden cabling, the ASUS A21 PLUS offers exceptional value, modern compatibility, and impressive cooling capabilities in a stylish compact design.
Create your clutter-free build today!
| I. Overview & Compatibility | |
|---|---|
| Model Name | ASUS A21 PLUS Case |
| Model Number | 90DC00H0-B19010 |
| Case Type | Mini-Tower |
| Color | Black |
| Case Materials | Tempered Glass & Mesh Panels |
| Motherboard Support |
|
| Side Panel | Tempered Glass |
| Warranty | 3 Years |
| II. Dimensions & Clearances | |
| Case Dimensions (H x W x D) | 465mm x 220mm x 430mm |
| Weight | 8.1 kg |
| Maximum GPU Length | 380mm |
| Maximum CPU Cooler Height | 165mm |
| Maximum PSU Length | 210mm |
| Cable Management Space | 33mm |
| III. Cooling System | |
| Fan Support |
|
| Radiator Support |
|
| Fans Included | 3x 120mm ARGB (Front), 1x 120mm ARGB (Rear) |
| IV. Expansion & I/O | |
| Expansion Slots | 5 |
| 3.5″/2.5″ Combo Bays | 2 |
| 2.5″ Drive Bays | 1 |
| Front Panel I/O |
|
| V. Other Features | |
| PSU Shroud | Yes |
| Built-in Lighting | Yes (4x ARGB Fans) |
| Design Features |
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About the Brand
ASUS is one of the world’s most recognized and respected names in gaming and computing. With decades of innovation behind them, ASUS delivers top-tier motherboards, graphics cards, gaming laptops, monitors, and peripherals trusted by gamers, streamers, and professionals around the globe.
Under its acclaimed ROG (Republic of Gamers) and TUF Gaming sub-brands, ASUS offers cutting-edge products engineered for durability, speed, and style. Whether you're building a high-performance rig or looking for a powerhouse laptop, ASUS brings together elite design with breakthrough technology.
At OnlyGaming, we stock the latest ASUS hardware to take your gameplay, streaming, and creative performance to the next level. Choose ASUS for innovation that powers victory.
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