Product Description
ASUS A21 PLUS White MicroATX Case | 4× Pre-Installed ARGB Fans | Hidden-Connector Support | 360mm Radiator & 380mm GPU Support | 90DC00H3-B19000
Description
The ASUS A21 PLUS White is a premium microATX PC case engineered for clean aesthetics, excellent airflow, and next-generation compatibility—including full support for ASUS BTF hidden-connector motherboards. Designed for builders who value both style and function, the A21 PLUS includes four pre-installed ARGB fans and a high-airflow 40% porous mesh front panel for exceptional cooling performance.
With support for up to 360mm radiators, 380mm graphics cards, and 165mm air coolers, this case is ready for high-end builds. The spacious interior includes a 33mm cable-management compartment, ensuring a neat, clutter-free setup. Whether you're building a powerful gaming rig or a clean workstation, the A21 PLUS delivers impressive versatility, cooling capacity, and modern aesthetics.
Key Features
Supports ASUS BTF Hidden-Connector Motherboards
Allows cable-free front-facing builds with hidden rear connectors for ultimate clean aesthetics.
Four Pre-Installed ARGB Fans
Three 120mm ARGB front fans + one 120mm ARGB rear fan for strong cooling out of the box.
High Airflow Design
40% porous mesh front panel balances airflow, dust filtering, and RGB lighting visibility.
Broad Hardware Compatibility
Fits up to 380mm GPUs, 360mm radiators, and 165mm CPU air coolers.
Clean Cable Management
Dedicated 33mm rear compartment keeps cables organized and hidden.
Spacious MicroATX Layout
Supports Micro-ATX, Mini-ITX, and BTF motherboards with 5 expansion slots.
Specifications
| Category | Details |
| Model | ASUS A21 PLUS White |
| Part Number | 90DC00H3-B19000 |
| Motherboard Support | Micro-ATX, Mini-ITX, BTF compatible |
| Drive Bays | 1 × 2.5", 2 × 2.5"/3.5" combo |
| Expansion Slots | 5 |
| Front I/O Ports | 2 × USB 3.2 Gen1, 1 × Headphone, 1 × Microphone |
| Radiator Support | Front: 120/140/240/280/360mm Top: 120/140/240/280/360mm Rear: 120mm |
| Fan Support | Front: 3 × 120mm / 2 × 140mm Top: 3 × 120mm / 2 × 140mm Rear: 1 × 120mm |
| Pre-Installed Fans | 3 × 120mm ARGB (Front) + 1 × 120mm ARGB (Rear) |
| Max CPU Cooler Height | 165mm |
| Max GPU Length | 380mm |
| Max PSU Length | 210mm |
| Dimensions (L×W×H) | 220 × 430 × 465 mm |
| Weight | 8.1 kg |
| BTF Support | Yes |
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