# MSI MPG GUNGNIR 300R Airflow White Mid-Tower PC Case - E-ATX Capacity, 4 x 120 mm ARGB Fans with Hub Controller, Vertical GPU Support & Stand, Dust Filters, Cable Routing, USB Type-C (20Gbps)

- Category: Case
- Brand: MSI
- Model: 306-7G21W21-W57
- Part number: 306-7G21W21-W57
- Price (US): $252.84
- Price last checked: 2026-08-05
- Rating: 4.5/5 from 30 Amazon reviews
- Warranty: 1 year
- Product page: https://buildmypc.net/component-details/case/msi-306-7g21w21-w57/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | MSI |
| Model | 306-7G21W21-W57 |
| Cabinet Type | ATX Mid Tower |
| Side Panel | Tempered Glass |
| Color | Black |
| Power Supply | N/A |
| Maximum 3.5 Drive Space | 2 |
| Maximum 2.5 Drive Space | N/A |
| GPU Length | 360 mm / 14.173" |
| Supported PSU Size | ATX |

## Key Features

- MID-TOWER CASE WITH MYSTIC LIGHT - The MPG GUNGNIR 300R AIRFLOW WHITE is a mid-tower PC case designed to house E-ATX, ATX, Micro-ATX & Mini-ITX motherboards; The versatile 505 x 235 x 510 mm chassis features pre-installed Mystic Light ARGB & controller
- AMAZING AIRFLOW - A 1 mm perforated front & a perforated top panel support up to 3 x 120 mm fans or a 360 mm radiator each, the rear panel 1 x 120 mm fan/radiator, and internal brackets for up to 3 fans; Includes 4 x 120 mm PWM ARGB fans & 6-fan hub
- ARGB GRAPHICS CARD STAND - A 4-way adjustable ARGB stand supports even the heaviest GPUs (max 360 mm); The rear 7-slot PCIe bracket can be swapped for a vertical 4-slot PCIe bracket (riser cable & fans NOT included)
- CLEVER DESIGN - The 4 mm tempered- glass panel is offset slightly to improve airflow & supports tall CPU coolers (max 175 mm); The PSU bay (max 220 mm) features top/side/bottom inlets & a sliding 3.5" HDD cage; Includes front/top/side/bottom dust filters
- INSTA-LIGHT I/O PANEL - The I/O panel at the front of the top panel includes power & reset buttons, mic/audio jacks, a USB 3.2 Gen 2x2 Type-C (20Gbps) & 2 x USB 3.2 Gen 1 Type-A (5Gbps) ports; The LED switch runs through the ARGB hub for manual control

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