# PC Case ASUS A21 PLUS Micro ATX / Mini-ITX, Black — supports up to 165 mm CPU cooler, 380 mm GPU, 3x front 120/140 mm fans

**URL:** https://aio.lv/en/product--asus-90dc00h0-b19010--11174175
**Data updated:** 2026-01-21 11:07 (EET)
**Category:** Computer Cases
**Manufacturer:** Asus
**Manufacturer code:** 90DC00H0-B19010
**EAN:** 4711387508084
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 81.49 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 67.35 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asus-90dc00h0-b19010--11174175

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 26.06.2026 | free |
| Pickup points | 01.07.2026 | 1.99 EUR |
| Courier delivery to door | 01.07.2026 | 8.14 EUR |

## Summary description

ASUS A21 PLUS is a Micro ATX / Mini-ITX PC case in black with multi-colour illumination and preinstalled cooling (3×120 mm front, 1×120 mm rear). It fits CPU coolers up to 16.5 cm, graphics cards up to 38 cm and PSUs up to 21 cm. Provides 1×3.5" and 1×2.5" bays, 5 expansion slots, USB 3.2 Gen1 Type-A ports x2, HDD/SSD combo cage and support for front 140 mm / top 240 mm radiators.

## Long description

The ASUS A21 PLUS microATX case is a compact chassis designed for Micro ATX and Mini-ITX systems. It supports hidden-connector motherboards, long graphics cards up to 380 mm and radiators up to 360 mm, and comes in a black finish with pre-installed ARGB cooling.
Advantages
The case includes four pre-installed ARGB fans and offers clean cable management options to keep the interior tidy. It supports both 2.5" and 3.5" drives, front-panel USB 3.2 Gen 1 Type-A ports, and multiple fan mounting positions for improved airflow. With dimensions of 220 × 430 × 465 mm and a weight of 8.1 kg, it balances compact size with compatibility for high-performance components.
Suitable for
Home and office builds using Micro ATX or Mini-ITX motherboards
Gaming systems requiring up to 380 mm graphics cards
Cooling-focused builds with support for 360 mm radiators and multiple fans
Compact workstations that need both 2.5" and 3.5" storage options
Key specifications
Form factor support: Micro ATX, Mini-ITX
Compatible GPU length: up to 380 mm
Radiator support: up to 360 mm
Drive bays: 1 × 3.5", 1 × 2.5"
Pre-installed fans: 4 × ARGB (120 mm typical)
Front ports: 2 × USB 3.2 Gen 1 (Type-A)
Dimensions (W×D×H): 220 × 430 × 465 mm
Weight: 8.1 kg
Colour: Black
How to use
Install a Micro ATX or Mini-ITX motherboard on the designated standoffs, route cables through the provided cutouts for tidy cable management, and fit storage drives into the 2.5" or 3.5" bays. Mount the power supply in the PSU area, install the graphics card (up to 380 mm) in the expansion slots, and connect the pre-installed ARGB fans to the motherboard or a compatible controller. If using liquid cooling, install the radiator in the supported locations and ensure clearance with other components.
Usage recommendations
For optimal airflow, keep intake and exhaust fan directions correct, use the included ARGB fans in combination with additional 120 mm or 140 mm fans if needed, and verify radiator clearance before finalizing the build.

## 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 | Black |
| 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 81.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 121 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 26.06.2026 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: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can ASUS A21 PLUS Micro ATX PC Case be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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/11174175/65020293_large.webp