# PC Case ASUS A21 PLUS White, micro ATX, Mini-ITX

**URL:** https://aio.lv/en/product--asus-90dc00h3-b19000--10852732
**Data updated:** 2025-12-30 12:46 (EET)
**Category:** Computer Cases
**Manufacturer:** Asus
**Manufacturer code:** 90DC00H3-B19000
**EAN:** 4711387406281
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 119.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 99.17 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asus-90dc00h3-b19000--10852732

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 7.16 EUR |

## Summary description

The ASUS A21 PLUS White is a versatile PC case supporting micro ATX and Mini-ITX motherboards. It features three pre-installed 120 mm front fans and supports additional fan sizes of 120 mm and 140 mm for enhanced cooling. The case includes one rear 120 mm fan and accommodates HDD sizes of 2.5" and 3.5". With dimensions of 220 mm in width, 465 mm in depth, and 430 mm in height, it offers a compact yet spacious design for efficient airflow and component organization.

## Long description

The ASUS A21 PLUS White is a compact PC case designed for mainstream DIY builders, supporting Micro-ATX and Mini-ITX motherboards. The chassis accommodates multiple cooling configurations including front and rear fans and various AIO cooler sizes, while its white finish and internal layout support tidy cable management and versatile component installation.
Advantages
The case comes with pre-installed ARGB/front cooling fans and offers support for additional 120 mm and 140 mm fans to improve airflow. It accepts common drive formats including 2.5" and 3.5" bays and fits a range of graphics cards and AIO coolers. Compatibility with motherboards that place connectors on the underside enables cleaner cable routing and a neater internal appearance.
Suitable for
Building a compact Micro-ATX or Mini-ITX desktop PC
Systems requiring good airflow and ARGB lighting
Home or office gaming and productivity rigs with 2.5"/3.5" storage
Key specifications
Supported motherboard form factors: Micro-ATX, Mini-ITX
Pre-installed fans: three 120 mm front fans (ARGB) and one 120 mm rear fan
Additional fan support: 120 mm and 140 mm front fan options
Drive bays: two 3.5" bays and one 2.5" bay
Front I/O: 2 × USB 3.2 Gen 1 (Type-A)
Dimensions (W × D × H): 220 × 465 × 430 mm
Weight: 8.1 kg
Colour: White
How to use
Install a Micro-ATX or Mini-ITX motherboard on the provided standoffs, route power and data cables through the chassis openings, and mount drives in the appropriate 2.5" or 3.5" bays. Position and connect the included front ARGB fans and the rear 120 mm fan to the motherboard headers or fan controller. If using a compatible motherboard with underside connectors, align cable runs to the lower routing channels to keep the interior tidy.
Usage recommendations
For optimal airflow, keep intake vents clear and consider adding or upgrading front fans to 140 mm where supported; use the underside connector layout of compatible motherboards to route cables behind the motherboard tray for cleaner cable management and improved cooling.

## Specifications

### Design

| Feature | Value |
|---|---|
| Type | PC |
| Supported motherboard form factors | Micro ATX, Mini-ITX |
| Number of 3.5" bays | 2 |
| 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 |
| Cable management | Yes |
| On/off button | Yes |

### Ports & interfaces

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

### Cooling

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

### Storage

| Feature | Value |
|---|---|
| Supported HDD sizes | 2.5, 3.5 |

### Weight & dimensions

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

## FAQ

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

The price is 119.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 23.07.2026 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. 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 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 PC Case ASUS A21 PLUS?

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/10852732/65010162_large.webp