ASUS A21 PLUS ARGB BTF Compatible Micro Tower Case
The ASUS A21 PLUS ARGB revolutionizes PC building with native Back-To-Front (BTF) compatibility, eliminating cable clutter while delivering stunning ARGB lighting and optimal airflow. This micro tower case combines innovative design with premium features for the ultimate clean-build experience.
Revolutionary Cable Management
BTF Innovation
- Native Back-To-Front motherboard compatibility
- Rear-mounted power connectors (24-pin, CPU, GPU)
- Hidden cable routing channels
- Zero front-side cable clutter
Cooling Performance
- 4x 120mm ARGB fans pre-installed
- Mesh front panel for optimal airflow
- Support for 240mm radiator (front)
- Dust filters on all intakes
Technical Specifications
| Specification | Detail |
|---|---|
| Model | 90DC00H0-B19010 (197105508088) |
| Case Type | Micro Tower |
| Dimensions | 405 x 215 x 435mm (LxWxH) |
| Motherboard Support | Micro-ATX, Mini-ITX (BTF compatible) |
| BTF Compatibility | Native ASUS BTF motherboards |
| Pre-installed Fans | 4x 120mm ARGB fans |
| Radiator Support | Front: 240mm |
| Drive Bays | 2x 2.5″ SSD, 2x 3.5″ HDD |
| Expansion Slots | 4 |
| I/O Panel | 1x USB 3.2 Gen1, 1x USB 2.0, Audio, ARGB Button |
| Max GPU Length | 330mm |
| Max CPU Cooler Height | 160mm |
| PSU Support | ATX (up to 160mm) |
Included Features
- 4x 120mm ARGB PWM fans
- ARGB controller with remote
- BTF motherboard mounting system
- Tempered glass side panel
- Mesh front panel with dust filter
- Top magnetic dust filter
- PSU shroud with ventilation
- Cable management channels
- Tool-free drive installation
- Vertical GPU mount ready (optional)
💡 Pro Tip:
For the ultimate clean build, pair with an ASUS BTF motherboard. The included ARGB controller can sync with compatible components for unified lighting effects. Perfect for compact builds without sacrificing aesthetics.


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