Description
The ASUS A21 PLUS redefines the Micro-ATX form factor by prioritizing thermal efficiency and aesthetic cleanliness. With a 40% porous mesh front panel and four pre-installed 120mm ARGB fans, this chassis ensures optimal airflow for high-performance components. Its standout feature is the compatibility with hidden-connector motherboards, allowing for a cable-free interior view that highlights the hardware rather than the wiring.
This product is for:
- PC builders seeking a clean, minimalist aesthetic through hidden-connector motherboard support.
- Gamers requiring high-airflow cooling for high-TDP GPUs up to 380mm in length.
- Enthusiasts looking for a compact M-ATX footprint without sacrificing 360mm liquid cooling compatibility.
- First-time builders who benefit from the generous 33mm cable management depth behind the motherboard tray.
- RGB enthusiasts who want out-of-the-box lighting synchronization with four included ARGB fans.
Detailed specifications:
- Motherboard Support: Micro-ATX, Mini-ITX
- Pre-installed Cooling: 3 x 120mm ARGB (Front), 1 x 120mm ARGB (Rear)
- Radiator Compatibility: Up to 360mm (Front and Top), 120mm (Rear)
- Maximum Clearances: GPU Length 380mm, CPU Cooler Height 165mm, PSU Length 210mm
- Drive Bays: 1 x 2.5-inch bay, 2 x 2.5/3.5-inch combo bays
- I/O Ports: 2 x USB 3.2 Gen 1, 1 x Headphone/Microphone Jack
- Dimensions: 220 x 430 x 465 mm; Weight: 8.1 kg
Building in the A21 PLUS is streamlined by the 33mm of dedicated space behind the motherboard, which easily accommodates thick cable bundles. The mesh front panel is engineered for a 40% open area, striking a precise balance between dust filtration and air intake. During high-load gaming sessions, the four-fan configuration maintains stable internal temperatures, while the spacious interior allows for easy installation of large triple-fan graphics cards and dual-chamber liquid coolers.
Compared to standard M-ATX cases, the A21 PLUS offers superior GPU clearance of 380mm and more versatile radiator mounting options, supporting 360mm units on both the top and front panels. While many compact cases struggle with cable clutter, the A21 PLUS’s support for hidden-connector motherboards provides a distinct advantage for users prioritizing a professional, cable-free look that is typically reserved for larger ATX mid-towers.
Q&A:
- Does the ASUS A21 PLUS support 360mm AIO coolers? Yes, it supports 360mm radiators on both the front and top panels for maximum thermal overhead.
- What is the maximum GPU length for this case? The chassis accommodates graphics cards up to 380mm, making it compatible with most flagship triple-fan GPUs.
- Is this case compatible with hidden-connector motherboards? Yes, the A21 PLUS is specifically designed with cutouts to support motherboards with connectors on the underside for a cleaner look.
- How many fans are included with the A21 PLUS? It comes with four pre-installed 120mm ARGB fans, including three in the front and one in the rear.
- What is the cable management depth? There is a 33mm wide space behind the motherboard tray to facilitate easy and clean cable routing.
