# PC case ASUS A21 PLUS Micro ATX white — supports Micro ATX/Mini-ITX, 3x120mm front fans, 1x120mm rear, 360mm front radiator, GPU up to 380 mm

**URL:** https://aio.lv/en/product--asus-90dc00h3-b19010--11174021
**Data updated:** 2026-01-21 11:07 (EET)
**Category:** Computer Cases
**Manufacturer:** Asus
**Manufacturer code:** 90DC00H3-B19010
**EAN:** 4711387612712
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 68.49 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 56.60 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asus-90dc00h3-b19010--11174021

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 8.49 EUR |

## Summary description

ASUS A21 PLUS is a Micro ATX PC case in white designed for compact gaming and workstation builds. It fits Micro ATX and Mini-ITX motherboards, offers one 3.5" and one 2.5" bay with an HDD/SSD combo cage, and two front USB 3.2 Gen 1 Type‑A ports. Cooling supports 3×120 mm front fans (installed), 1×120 mm rear fan (installed), up to 3 top fans, front radiator up to 360 mm and rear/top radiators as specified. Maximum GPU length 380 mm, CPU cooler height 165 mm and PSU length up to 210 mm. Multi‑color illumination and white exterior provide a clean look while maintaining good component compatibility.

## Long description

The ASUS A21 PLUS microATX case supports hidden-connector motherboards and accommodates up to 360 mm radiators and 380 mm graphics cards. It is available in two color options and comes with four pre-installed ARGB fans and integrated cable management features for a tidy interior.
Advantages
The case provides broad component compatibility for compact builds, including support for large radiators and long GPUs. Four pre-installed ARGB fans offer immediate airflow and customizable lighting. Built-in cable management helps keep the interior organized for better cooling and simpler assembly. Two color options let buyers match the case to their setup.
Key specifications
Form factor: microATX
Radiator support: up to 360 mm
Graphics card length support: up to 380 mm
Pre-installed fans: 4 × ARGB
Motherboard compatibility: hidden-connector motherboards supported
Color options: two available
How to use
Install a compatible microATX motherboard following the board manufacturer’s instructions, connect cables through the case’s cable management channels, and mount cooling components such as a 360 mm radiator or air cooler within the available space. Install the graphics card up to 380 mm in length and connect the ARGB fans to the motherboard or controller to configure lighting. Verify clear airflow paths before closing the case panels.
Recommendations
For optimal cooling, use a front or top-mounted 360 mm radiator with properly routed cables and check GPU length against the case’s 380 mm limit before purchasing large graphics cards.

## Specifications

### Design

| Feature | Value |
|---|---|
| Type | PC |
| Supported motherboard form factors | Micro ATX, Mini-ITX |
| Number of 3.5" bays | 1 |
| Number of 2.5" bays | 1 |
| Product colour | White |
| Illumination | Yes |
| Illumination colour | Multi |
| Maximum CPU cooler height | 165 mm |
| Maximum graphics card length | 380 mm |
| Number of expansion slots | 5 |
| Maximum PSU length | 210 mm |

### Ports & interfaces

| Feature | Value |
|---|---|
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |

### Cooling

| Feature | Value |
|---|---|
| Front fans installed | 3x 120 mm |
| Number of front fans supported (max) | 3 |
| Front fans diameters supported | 120, 140 |
| Rear fans diameters supported | 120 |
| Top fans diameters supported | 140, 120 |
| Number of rear fans supported (max) | 1 |
| Number of top fans supported (max) | 3 |
| Rear fans installed | 1x 120 mm |
| Rear radiator sizes supported | 120 |
| Front radiator sizes supported | 360, 280, 240, 140, 120 |
| Top radiator sizes supported | 120, 140, 240, 280, 360 |

### Storage

| Feature | Value |
|---|---|
| Supported HDD sizes | 2.5, 3.5 |
| HDD/SSD combo cage | Yes |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 8.1 kg |
| Height | 465 mm |
| Width | 220 mm |
| Depth | 430 mm |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 9800 g |
| Package depth | 288 mm |
| Package height | 493 mm |
| Package width | 525 mm |

## FAQ

### How much does the ASUS A21 PLUS Micro ATX PC case cost, and is it available for purchase?

The price is 68.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 160 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 09.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Asus products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Asus service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: type, number of 3.5" bays, number of 2.5" bays, number of 5.25" bays, usb 2.0 ports quantity, usb 3.2 gen 1 (3.1 gen 1) type-a ports quantity, weight, supported motherboard form factors, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for ASUS A21 PLUS Micro ATX PC case?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/11174021/65020234_large.webp