The ASUS A21 PLUS TG ARGB (90DC00H3-B19010) is a white micro-ATX PC case with a tempered glass side panel and four pre-installed 120 mm ARGB fans, supporting 360 mm radiators, graphics cards up to 380 mm, CPU coolers up to 165 mm and BTF hidden-connector motherboards.
It gives compact gaming builds strong airflow from a 40% porous mesh front and ready-to-go ARGB lighting, while the 33 mm-wide cable compartment and colour-matched internal cables keep the build tidy.
Key Features
- Four 120 mm ARGB fans pre-installed (3 front, 1 rear) for airflow and lighting out of the box
- Mesh front panel with 40% porosity for strong intake airflow
- Supports 360 mm radiators at the front or top for liquid cooling
- Fits graphics cards up to 380 mm and CPU air coolers up to 165 mm
- BTF compatible: supports hidden-connector motherboards as well as standard Mini-ITX and Micro-ATX boards
- 33 mm-wide cable management compartment behind the motherboard tray
- Internal cables colour-matched to the case colour
- Tempered glass side panel to show off the build
Full Specifications
| General |
| Brand |
ASUS |
| Model |
ASUS A21 PLUS TG ARGB |
| Part Number |
90DC00H3-B19010 |
| Colour |
White |
| Case Type |
Micro-ATX case |
| Compatibility |
| Motherboard Support |
Mini-ITX, Micro-ATX; BTF (hidden-connector) motherboard compatible |
| Max CPU Cooler Height |
165 mm |
| Max GPU Length |
380 mm |
| Max PSU Length |
210 mm |
| Expansion Slots |
5 |
| Drive Bays |
2 x 2.5"/3.5" combo, 1 x 2.5" |
| Cooling |
| Pre-installed Fans |
Front: 3 x 120 mm ARGB; Rear: 1 x 120 mm ARGB |
| Fan Support (Front) |
3 x 120 mm or 2 x 140 mm |
| Fan Support (Top) |
3 x 120 mm or 2 x 140 mm |
| Fan Support (Rear) |
1 x 120 mm |
| Radiator Support (Front/Top) |
360 / 280 / 240 / 140 / 120 mm |
| Radiator Support (Rear) |
120 mm |
| Connectivity |
| Front I/O |
2 x USB 3.2 Gen1, 1 x microphone, 1 x headphone |
| Physical |
| Side Panel |
Tempered glass (TG) |
| Dimensions |
220 x 430 x 465 mm |
| Weight |
8.1 kg |
| Warranty |
| Warranty |
Official ASUS warranty |
Who Is This For?
- Gamers building a compact micro-ATX gaming PC with ARGB lighting
- Builders using ASUS BTF hidden-connector motherboards for a cable-free look
- Users planning 240-360 mm AIO liquid coolers in a small case
- First-time builders who want fans included out of the box
How It Compares
The A21 PLUS TG ARGB comes in black and white with identical specifications (this listing is white). Compared with the ASUS A23 Hatsune Miku Edition, which shares the 380 mm GPU and 165 mm cooler clearances and adds a USB 3.2 Gen2 Type-C port, the A21 PLUS includes four pre-installed ARGB fans and a front I/O of two USB 3.2 Gen1 ports.
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
What is the ASUS 90DC00H3-B19010?
It is the ASUS A21 PLUS TG ARGB micro-ATX case in white, with tempered glass and four pre-installed 120 mm ARGB fans.
Which motherboards fit the A21 PLUS?
It supports Mini-ITX and Micro-ATX motherboards, including ASUS BTF hidden-connector boards. Full ATX boards are not supported.
What is the maximum GPU length and cooler height?
ASUS specifies up to 380 mm graphics card length and up to 165 mm CPU cooler height.
Can I install a 360mm AIO?
Yes. The front and top each support radiators up to 360 mm.
Does the A21 PLUS have a USB Type-C port?
No. ASUS lists front I/O as 2 x USB 3.2 Gen1 plus microphone and headphone jacks.
How many fans are included?
Four 120 mm ARGB fans are pre-installed: three at the front and one at the rear.
Is this product original with warranty?
Yes. PC PARK sells 100% original ASUS products covered by the official ASUS warranty.
Do you deliver in Saudi Arabia?
PC PARK delivers to all regions of Saudi Arabia, with delivery time shown at checkout.
Order the ASUS A21 PLUS TG ARGB White micro-ATX case (90DC00H3-B19010) from PC PARK with official warranty and fast delivery across Saudi Arabia.
