The ASUS A21 PLUS (part number 90DC00H3-B19000) is a white micro-ATX PC case with a tempered glass side panel, four pre-installed 120 mm ARGB fans, support for graphics cards up to 380 mm, CPU air coolers up to 165 mm and radiators up to 360 mm at the front or top.
It suits gamers and builders who want a compact, bright build that is ready to go out of the box, with room for long modern graphics cards and compatibility with ASUS BTF hidden-connector motherboards for a cleaner look.
Key Features
Four pre-installed 120 mm ARGB fans (3 front + 1 rear) for airflow and lighting from day one
Fits graphics cards up to 380 mm long
Front or top radiator support up to 360 mm for AIO liquid coolers
CPU air cooler clearance up to 165 mm
BTF motherboard compatible for hidden-connector, cable-free looking builds
Supports micro-ATX and mini-ITX motherboards with 5 expansion slots
Power supplies up to 210 mm long
33 mm cable-management space behind the motherboard tray
Front I/O with 2 x USB 3.2 Gen 1 plus microphone and headphone jacks
Front: 3 x 120 mm / 2 x 140 mm; Top: 3 x 120 mm / 2 x 140 mm; Rear: 1 x 120 mm
Radiator Support
Front: up to 360 mm; Top: up to 360 mm; Rear: 120 mm
Front I/O
Front I/O Ports
2 x USB 3.2 Gen 1, 1 x microphone, 1 x headphone
Physical
Side Panel
Tempered glass
Cable Management Space
33 mm
Dimensions
220 x 430 x 465 mm
Weight
8.1 kg
Warranty
Warranty Type
Official ASUS warranty
Who Is This For?
Gamers building a white micro-ATX gaming PC
Builders using ASUS BTF hidden-connector motherboards
Users who want ARGB lighting without buying extra fans
Compact desk setups that still need a long graphics card
How It Compares
Compared with the ASUS Prime AP201 Tempered Glass, the A21 PLUS supports longer graphics cards (380 mm vs 338 mm) and ships with four ARGB fans, while the AP201 TG ships with one rear 120 mm fan.
Why Buy from PC PARK?
100% original product with official warranty
Delivery to all regions of Saudi Arabia (Riyadh, Jeddah, Dammam and more)
Secure online checkout
Pre- and after-sales support from the PC PARK team
Frequently Asked Questions
Which motherboards fit the ASUS A21 PLUS? It supports micro-ATX and mini-ITX motherboards, and it is compatible with ASUS BTF hidden-connector motherboards.
How long a graphics card fits in the A21 PLUS? Graphics cards up to 380 mm long are supported.
Does the ASUS A21 PLUS come with fans? Yes. It includes four 120 mm ARGB fans: three at the front and one at the rear.
Can I install a 360 mm AIO in the A21 PLUS? Yes. A 360 mm radiator can be mounted at the front or the top.
Is the ASUS A21 PLUS case sold by PC PARK original? Yes. PC PARK sells only 100% original ASUS products, covered by the official ASUS warranty.
What warranty does the ASUS A21 PLUS case have? It comes with the official ASUS warranty, and the PC PARK team helps you with any after-sales or warranty request.
Do you deliver the ASUS A21 PLUS case in Saudi Arabia? Yes. PC PARK delivers to all regions of Saudi Arabia, with delivery time shown at checkout.
Order the ASUS A21 PLUS White micro-ATX case from PC PARK with official warranty and fast delivery across Saudi Arabia.
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Our Milestones
2023
Expanded our product catalog with the latest gaming and professional hardware, serving thousands of satisfied customers
2024
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2025
Reached a major milestone in customer satisfaction with enhanced after-sales support and warranty services
2026
Continuing to grow as Saudi Arabia's trusted destination for technology, gaming, and custom PC solutions
