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MSI MPG GUNGNIR 300R AIRFLOW WHITE E-ATX 4x ARGB Fan Mid-Tower Gaming Case

MSI MPG GUNGNIR 300R AIRFLOW WHITE E-ATX 4x ARGB Fan Mid-Tower Gaming Case

The MSI MPG GUNGNIR 300R AIRFLOW WHITE is a high-performance mid-tower chassis engineered for maximum thermal efficiency with a 1mm perforated mesh front panel. It features extensive compatibility for E-ATX motherboards, dual 360mm radiators, and includes an omni-directional GPU stand to support the


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Description

The MSI MPG GUNGNIR 300R AIRFLOW WHITE is a masterclass in thermal engineering and aesthetic design, specifically built to house high-end gaming components. Featuring a high-density 1mm mesh front panel, this chassis ensures a constant stream of cool air to internal components while the four pre-installed 120mm ARGB PWM fans provide immediate, high-performance cooling out of the box. Its spacious interior is designed to accommodate the latest hardware, including E-ATX motherboards and flagship graphics cards, all while maintaining a clean, sophisticated white finish that integrates seamlessly with MSI Mystic Light ecosystems.


This product is for:
- Hardcore Gamers: Users requiring a high-airflow environment to prevent thermal throttling during long, intensive gaming sessions.
- PC Building Enthusiasts: Builders looking for a DIY-friendly chassis with patented features that simplify cable management and component installation.
- Content Creators: Professionals utilizing E-ATX workstations and high-end GPUs who need a stable, cool, and quiet environment for rendering and editing.
- Aesthetic Seekers: Users wanting a premium white-themed build with synchronized ARGB lighting and a clear tempered glass side panel to showcase their hardware.
- High-End GPU Owners: Builders with heavy cards like the RTX 40-series who require the included omni-directional adjustable support bracket to prevent PCB sag.

Detailed specifications:
- Form Factor: Mid-Tower supporting E-ATX (up to 280 x 305 mm), ATX, M-ATX, and Mini-ITX.
- Cooling Support: Front and Top support for up to 360mm radiators; Rear support for 120/140mm radiators.
- Pre-installed Fans: 3 x 120mm ARGB PWM fans (Front) and 1 x 120mm ARGB PWM fan (Rear).
- Clearance: Maximum GPU length of 360mm; Maximum CPU cooler height of 175mm; PSU length over 220mm.
- Front I/O: 1 x USB 3.2 Gen 2x2 Type-C (20Gbps), 2 x USB 3.2 Gen 1 Type-A (5Gbps), Mic-in, and Audio-out.
- Storage: Support for up to 6 x 2.5" SSDs or a combination of 2.5" and 3.5" drives via modular cages.

Building in the GUNGNIR 300R is a streamlined experience thanks to its patented DIY-friendly design. The case provides ample clearance for push-pull radiator configurations at both the top and front, a feature rarely found in standard mid-towers. Cable management is intuitive with dedicated routing channels and a spacious PSU shroud. The inclusion of an omni-directional GPU stand allows for multi-axis adjustment, ensuring that even the largest triple-fan graphics cards remain perfectly level. Furthermore, the front I/O panel includes a high-speed 20Gbps Type-C port, providing future-proof connectivity for high-speed external storage and peripherals.

Compared to standard mid-tower cases, the GUNGNIR 300R AIRFLOW WHITE stands out with its dual 360mm radiator support and superior 1mm mesh density, which offers a better balance of airflow and dust filtration than larger 2mm mesh designs. While the GUNGNIR 110 series focuses on compact aesthetics, the 300R provides significantly more internal volume for E-ATX boards and vertical GPU mounting. It competes directly with premium airflow-focused frames by including four PWM fans and a dedicated adjustable GPU bracket as standard equipment, offering higher out-of-the-box value for enthusiast builders.

Q&A:
- Does the MSI MPG GUNGNIR 300R support the NVIDIA GeForce RTX 4090? Yes, it supports GPUs up to 360mm in length and includes a specialized omni-directional bracket to support the weight of flagship cards.
- Can I install a 360mm AIO liquid cooler in this case? Absolutely, the chassis is designed to support 360mm radiators in both the front and top positions simultaneously for extreme cooling setups.
- What is the benefit of the 1mm mesh panel? The 1mm perforation is optimized to provide maximum airflow for cooling while acting as a natural barrier against dust buildup inside the system.
- Is the ARGB lighting compatible with other motherboard brands? Yes, the pre-installed fans use standard ARGB headers and can be controlled via MSI Mystic Light or other compatible motherboard sync software.
- How many fans can be installed in total? The case is highly expandable, supporting up to 12 fans in total when utilizing the PSU shroud, cable cover, and vertical GPU bracket mounting points.
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