ASUS A21 Case White Micro ATX Mini-ITX PC
The ASUS A21 case is a compact white PC chassis engineered for builders seeking a space-efficient solution without compromising on cooling performance. Designed to accommodate micro ATX and Mini-ITX motherboards, this white mid-tower case delivers modern airflow-oriented design ideal for gaming rigs, workstation builds, and compact home theater systems. With dimensions of 220mm width × 465mm depth × 430mm height, the A21 offers the perfect balance between portability and component compatibility.
Whether you're building a high-performance gaming PC or a professional workstation in a limited space, the ASUS A21 white case provides the structural integrity and thermal management features needed for reliable operation. Its clean aesthetic and practical design make it an excellent choice for enthusiasts who demand both form and function.
Key Features
- Supports micro ATX and Mini-ITX motherboards for flexible build options
- Multiple fan mounting points for 120mm and 140mm fans (front, rear, and top)
- Compatible with 2.5-inch and 3.5-inch storage drives
- Compact dimensions: 220mm W × 465mm D × 430mm H
- Clean white finish with modern cable management design
- Optimized airflow architecture for thermal performance
- Ideal for gaming PC builds and professional workstations
- Tool-free drive installation for quick assembly
Technical Specifications
| Specification |
Details |
| Manufacturer |
ASUS |
| Part Number |
A21 CASE/WHT |
| Case Type |
Micro ATX / Mini-ITX Compact Chassis |
| Color |
White |
| Width |
220mm (16.5 cm) |
| Depth |
465mm (38 cm) |
| Height |
430mm (21 cm) |
| Fan Support |
120mm and 140mm (front, rear, top mounting) |
| Drive Bays |
2.5-inch and 3.5-inch compatible |
| Motherboard Support |
Micro ATX, Mini-ITX |
Frequently Asked Questions
What motherboards fit in the ASUS A21 case?
The ASUS A21 case is designed to accommodate micro ATX and Mini-ITX motherboards, making it ideal for compact builds. It does not support standard ATX motherboards due to its space-efficient design.
How many fans can I install in this white PC case?
The ASUS A21 supports multiple 120mm and 140mm fans with mounting points on the front, rear, and top panels. This flexible fan configuration allows you to optimize cooling performance based on your specific build requirements.
Is the ASUS A21 case good for gaming builds?
Yes, the ASUS A21 white case is excellent for gaming PC builds, especially for enthusiasts with space constraints. Its airflow-oriented design and support for high-performance components make it suitable for gaming rigs and workstation configurations.
What storage drives does the A21 case support?
The ASUS A21 case accommodates both 2.5-inch SSDs and 3.5-inch HDDs, providing flexibility for modern storage configurations in your compact PC build.