# PC case MSI MPG GUNGNIR 300P AIRFLOW Midi Tower — black, supports ATX/Micro‑ATX/ITX, GPU up to 380 mm, CPU cooler height 175 mm

**URL:** https://aio.lv/en/product--msi-306-7g21p21-w57--10658612
**Data updated:** 2026-01-21 11:01 (EET)
**Category:** Computer Cases
**Manufacturer:** MSI
**Manufacturer code:** 306-7G21P21-W57
**EAN:** 4711377103862
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 121.49 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 100.40 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--msi-306-7g21p21-w57--10658612

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 27.07.2026 | free |
| Pickup points | 30.07.2026 | 1.89 EUR |
| Courier delivery to door | 30.07.2026 | 10.73 EUR |

## Summary description

MSI MPG GUNGNIR 300P AIRFLOW is a Midi Tower PC case in black designed for gaming systems. It fits ATX, Micro‑ATX and ITX motherboards, supports graphics cards up to 38 cm and CPU coolers up to 17.5 cm. The case offers 3x front and 1x rear 120 mm fans (front installed), room for radiators up to 240 mm, six 2.5" and two 3.5" bays, USB‑C and two USB 3.2 Gen1 Type‑A ports, side window and modular internal layout for easy cooling and component installation.

## Long description

The MSI MPG GUNGNIR 300P AIRFLOW is a black Midi Tower PC case designed for effective airflow and flexible hardware installation. The case ships with three 120 mm front fans and one 120 mm rear fan, supports 2.5" and 3.5" drives, and accepts motherboard sizes from ITX and Micro ATX up to ATX and EATX. With dimensions of 235 mm (W) x 505 mm (D) x 510 mm (H) and a compact, modern appearance, the chassis is targeted at gamers and PC builders who prioritize cooling and modular installation options.
Advantages
MPG GUNGNIR 300P AIRFLOW provides enhanced cooling thanks to its preinstalled front and rear 120 mm fans and a design focused on unrestricted airflow. The case includes an adjustable, tool-free omnidirectional graphics card stand that accommodates different GPU sizes and mounting orientations. It supports multiple storage drive configurations (2.5" and 3.5" bays) and a wide range of motherboard form factors, making component compatibility broad and installation straightforward.
Suitable for (tasks / use cases)
Gaming PC builds requiring strong airflow
Custom PC assembly with varied GPU sizes
Systems needing multiple 2.5" and 3.5" drives
Upgrades using ATX or EATX motherboards
Key specifications
Type: PC case, Midi Tower
Preinstalled fans: 3 × 120 mm front, 1 × 120 mm rear
Drive bays: 2 × 3.5" bays, 6 × 2.5" bays
Motherboard support: ITX, Micro ATX, ATX, EATX
Front ports: 2 × USB 3.2 Gen 1 Type-A
Dimensions (W×D×H): 235 × 505 × 510 mm
Colour: Black
MPN / EAN: 306-7G21P21-W57 / 4711377103862
How to use
Install the motherboard compatible with the supported form factors, mount storage drives into the appropriate 2.5" or 3.5" bays, and install the GPU using the omnidirectional graphics card stand to set optimal support and orientation without tools. Connect the included front and rear fans to the motherboard fan headers or a fan controller to ensure proper airflow. Route power supply cables and front panel connectors through the case’s cable management areas for a tidy build.
Usage recommendations
For best thermal performance, maintain unobstructed airflow by keeping front intake filters clean, install additional fans if needed, and position the GPU stand to support larger, heavier graphics cards. Verify motherboard and cooler clearance before final assembly.

## 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 | Black |
| 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 300P AIRFLOW Midi Tower cost, and is it available for purchase?

The price is 121.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 53 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 27.07.2026 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: Cash payment, 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 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 300P AIRFLOW Midi Tower?

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/10658612/64995964_large.webp