ASUS A21 PLUS Mini-Tower PC Case – White

ASUS A21 PLUS Mini-Tower PC Case – White

R1195,00

  • 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
Availability: 25 in stock SKU: 90DC00H3-B19010 Category:
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Description

ASUS A21 PLUS Mini-Tower Case: Clean Builds, Capable Cooling

The ASUS A21 PLUS is a Mini-Tower case designed for minimalist builders who value clean aesthetics and powerful cooling, now available in a brilliant white finish. 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 1x 3.5″/2.5″ Combo | 1x 2.5″
Front I/O Ports 2x USB 3.2 Gen1 | Headphone | Microphone
Colour White
Warranty 3 Years
PC Case

Perfect for Clean White Gaming Builds

With support for hidden-connector motherboards, four pre-installed ARGB fans and a sleek white finish, the ASUS A21 PLUS is ideal for clean, cable-free gaming PCs and modern RGB showcase systems.

Why Choose the ASUS A21 PLUS?

The ASUS A21 PLUS Mini-Tower PC Case – White is designed for builders who want a clean, modern aesthetic without sacrificing cooling performance or hardware compatibility. Featuring a stylish white finish and support for hidden-connector motherboards such as ASUS BTF models, the A21 PLUS makes it easy to create a professional-looking system with minimal visible cabling and improved airflow.

Despite its compact Mini-Tower footprint, the A21 PLUS offers impressive support for today’s high-performance components. It accommodates graphics cards up to 380mm in length, CPU air coolers up to 165mm in height, and liquid cooling solutions with support for up to 360mm radiators in both the front and top mounting positions. This flexibility allows builders to create powerful gaming PCs and productivity systems within a space-efficient chassis.

Cooling performance is a key strength of the A21 PLUS. Its highly porous 40% mesh front panel is engineered to maximize airflow while maintaining effective dust filtration and excellent RGB visibility. Combined with four pre-installed 120mm ARGB fans, the case delivers strong cooling performance straight out of the box, helping to keep critical components running at optimal temperatures.

The spacious 33mm cable management compartment behind the motherboard tray provides ample room for routing cables neatly and efficiently. This helps simplify the building process while creating the clean, organised appearance that modern PC builders demand.

Whether you’re building an all-white gaming setup, a sleek RGB showcase PC, or a powerful everyday workstation, the ASUS A21 PLUS combines excellent cooling, clean cable management, and broad hardware compatibility in a stylish and versatile chassis.

Create your clutter-free build today!

I. Overview & Compatibility
Model Name ASUS A21 PLUS Case
Model Number 90DC00H3-B19010
Case Type Mini-Tower
Color White
Case Materials Tempered Glass & Mesh.
Motherboard Support
  • Micro-ATX
  • Mini-ITX
  • BTF Hidden-Connector Motherboards
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
  • Front: 3x 120mm / 2x 140mm
  • Top: 3x 120mm / 2x 140mm
  • Rear: 1x 120mm
Radiator Support
  • Front: Up to 360mm
  • Top: Up to 360mm
  • Rear: Up to 120mm
Fans Included 3x 120mm ARGB (Front), 1x 120mm ARGB (Rear)
IV. Expansion & I/O
Expansion Slots 5
3.5″/2.5″ Combo Bays 1
2.5″ Drive Bays 1
Front Panel I/O
  • 2x USB 3.2 Gen 1
  • 1x Headphone Jack
  • 1x Microphone Jack
V. Other Features
PSU Shroud Yes
Built-in Lighting Yes (4x ARGB Fans)
Design Features
  • 40% Porous Front Mesh Panel
  • Color-Coordinated Internal Cables

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.

Trusted Brands Only
TRUSTED BRANDS ONLY We stock what we'd use ourselves, backed by local warranty support from official distributors.
Built For Every Setup
BUILT FOR EVERY SETUP From core components to complete battlestations.
Power Your Passion
POWER YOUR PASSION Gear for casual players and competitive gamers alike.

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