# PC Case MSI MPG GUNGNIR 300R AIRFLOW WHITE Midi Tower

**URL:** https://aio.lv/en/product--msi-306-7g21w21-w57--10658611
**Data updated:** 2025-12-30 09:51 (EET)
**Category:** Computer Cases
**Manufacturer:** MSI
**Manufacturer code:** 306-7G21W21-W57
**EAN:** 4711377103855
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 94.99 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 78.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--msi-306-7g21w21-w57--10658611

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 10.73 EUR |

## Summary description

The MSI MPG GUNGNIR 300R AIRFLOW WHITE is a Midi Tower PC case designed for optimal airflow. It features three 120 mm front fans and one 120 mm rear fan, supporting additional fan sizes of 120 and 140 mm. The case accommodates HDD sizes of 2.5" and 3.5". With dimensions of 235 mm width, 505 mm depth, and 510 mm height, it offers ample space for components. Weighing 13.2 kg, it combines functionality with a sleek white design.

## Long description

The MSI MPG GUNGNIR 300R AIRFLOW WHITE is a Midi Tower PC case with a white finish designed for optimized cooling and flexible component installation. It comes equipped with three 120 mm front fans and one 120 mm rear fan and supports additional 120 mm and 140 mm fan configurations. The case accommodates 2.5" and 3.5" drives, supports ATX, EATX, Micro ATX and ITX motherboards, and offers a spacious interior for modern gaming hardware.
Advantages
The MPG GUNGNIR 300R AIRFLOW WHITE provides effective heat dissipation through its included fan layout and airflow-focused design. Its omnidirectional, tool-free graphics card stand allows easy adjustment to fit different GPU sizes and mounting orientations. The case supports multiple drive bay configurations and modern motherboard form factors, and includes features to simplify component installation while offering controllable ARGB lighting for system presentation.
Suitable for (tasks / use cases)
 Custom gaming PC builds requiring improved airflow
 Systems using ATX, EATX, Micro ATX or ITX motherboards
 Builds that need multiple 2.5" and 3.5" drives
 Users who want an adjustable, tool-free graphics card support
Key specifications
 Type: PC case, Midi Tower
 Included fans: 3 × 120 mm front, 1 × 120 mm rear
 Supported fan sizes: 120 mm, 140 mm
 Drive bays: 2 × 3.5", 6 × 2.5"
 Supported motherboard form factors: ATX, EATX, Micro ATX, ITX
 Front I/O: 2 × USB 3.2 Gen 1 Type-A
 Colour: White
 Dimensions (W × D × H): 235 × 505 × 510 mm
 Weight: 10.9 kg
 MPN: 306-7G21W21-W57, EAN: 4711377103855
How to use
Install the motherboard according to the supported form factor and mount storage drives in the designated 2.5" or 3.5" bays. Position the graphics card and adjust the omnidirectional graphics card stand without tools to provide proper support for the GPU. Connect the included front and rear fans to the motherboard fan headers or fan hub and route cables to maintain unobstructed airflow. Configure ARGB lighting through the compatible motherboard header or controller if available.
Usage recommendations
For optimal cooling performance, maintain clear airflow paths by using the included front fans and adding additional 120 mm or 140 mm fans where supported. Secure cable management to reduce airflow obstruction and select compatible motherboard headers for ARGB and fan control.

## Specifications

### Design

| Feature | Value |
|---|---|
| Type | PC |
| Form factor | Midi Tower |
| Supported motherboard form factors | Micro ATX, ITX, EATX, ATX |
| Number of 3.5" bays | 2 |
| Number of 2.5" bays | 6 |
| Product colour | White |
| Illumination | Yes |
| Illumination colour | Multi |
| Suitable for | Gaming |
| Number of internal 3.5" bays | 2 |
| Maximum CPU cooler height | 175 mm |
| Maximum graphics card length | 360 mm |
| Number of expansion slots | 7 |
| Maximum PSU length | 220 mm |
| Illumination location | Case fans |
| LED indicators | Y |
| Reset button | Yes |

### Power supply

| Feature | Value |
|---|---|
| Power supply included | No |

### Ports & interfaces

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

### 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 | 140, 120 |
| Top fans diameters supported | 120, 140 |
| Number of rear fans supported (max) | 1 |
| Number of top fans supported (max) | 3 |
| Rear fans installed | 1x 120 mm |
| Liquid cooling capability | Yes |
| Front radiator sizes supported | 360 |
| Top radiator sizes supported | 360, 280, 240, 140, 120 |

### Storage

| Feature | Value |
|---|---|
| Number of HDDs supported | 2 |
| Supported HDD sizes | 2.5, 3.5 |
| HDD/SSD combo cage | Yes |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 10.9 kg |
| Height | 510 mm |
| Width | 235 mm |
| Depth | 505 mm |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 13200 g |

### Other features

| Feature | Value |
|---|---|
| Backplanes support | Yes |

## FAQ

### How much does the PC Case MSI MPG GUNGNIR 300R AIRFLOW WHITE cost, and is it available for purchase?

The price is 94.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 170 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 13.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can PC Case MSI MPG GUNGNIR 300R AIRFLOW WHITE 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 MSI 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 MSI 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, form factor, number of 3.5" bays, number of 2.5" bays, number of 5.25" bays, power supply included, 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 PC Case MSI MPG GUNGNIR 300R AIRFLOW WHITE?

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/10658611/64995960_large.webp