This mid-tower PC case is designed with many airflow-improving features. With the optional bracket accessories, this case can install up to 10 x 120 mm and 2 x 60 mm fans for maximum cooling. This case also supports push-pull setup of liquid cooler installation.
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Shipping Estimate
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- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
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Description
MSI MPG GUNGNIR 300R AIRFLOW / WHITEOne piece 1mm perforated front panel, supporting dual 360mm AIO liquid cooler at front top and Push Pull setup. Fully support high end graphics card no matter vertical or horizontal installation and also reserves enough space to ensure cooling and cable bending. Omnidirectional graphics card stand can adjust in many ways to support different graphics card installation. Patented DIY friendly design for easy to assemble. 4 x 120mm ARGB fans pre
- One-piece 1mm perforated front panel, supporting dual 360mm AIO liquid cooler at front/top and Push-Pull setup.
- Fully support high-end graphics card no matter vertical or horizontal installation and also reserves enough space to ensure cooling and cable bending.
- Omnidirectional graphics card stand can adjust in many ways to support different graphics card installation.
- Patented DIY friendly design for easy to assemble.
- 4 x 120mm ARGB fans pre-installed (Mystic Light compatible).
- E-ATX (280 x 305 mm), ATX, Micro-ATX and Mini-ITX motherboard & 360 mm GPU capacity.
- 1 x USB 3.2 Gen 2x2 Type-C port (20Gbps) & 2 x USB 3.2 Gen 1 Type-A ports (5Gbps).
An Eternity of Excellence
The MPG GUNGNIR 300 series epitomizes high standards in a mid-tower chassis. It is designed with a perforated mesh front panel, constructed from high-quality materials, and is born for performance. Choose eminence and embrace excellence.
Amazing Cooling System
Sufficient Airflow
The front panel features 1 mm perforated front panel, compared to the typical mesh, which can filter out most dust. While the side panel and PSU shroud both have vents for airflow.
By adopting tromendours mesh and ventilations, the MPG GUNGNIR 300 series cases allow sufficient airflow into the system and avoid excess wind resistance.
The dust filters are set up around the chassis to effectively block the entry of dust and help make the cleaning more convenient.
Omnidirectional Graphics Card Stand
The graphics card stand can be easily adjusted for different GPU sizes and installation methods without needing any tools, making it a user-friendly design that allows for effortlessly changing the optimal support position.
Exclusive User-Friendly Design
The MPG GUNGNIR 300 series offers patent various user-friendly features, including a graphics card stand, sliding HDD tray, and switchable PCIe bracket.
The quick-slide mechanism 3.5-inch HDD cage frees up flexible space when needed, and the push-latches on the switchable PCIe bracket accommodate different installation requirements quickly and easily.
Extensive Compatibility
Motherboard support:
E-ATX (up to 280 x 305 mm), ATX, Micro-ATX and Mini-ITX
Component clearances:
- CPU Cooler height: 175 mm
- GPU Length/thikness: 360 mm/ 80 mm (40-45mm distance to side panel for cable routing)
- PSU Length: up to 220 mm (Keep enough space for cable routing.)
- Storage bays: 6 x 2.5" SSD docks & a removeable 2 x 2.5/3.5" HDD cage
Up to 10 Fans Supported
The chassis is well equipped to provide high-efficiency airflow with 3 x 120 mm ARGB fans pre-installed in the front perforated mesh panel and 1 x 120 mm ARGB fan pre-installed in the rear.
In addition, this PC case can house up to 10 x 120 mm (or 7 x 140 mm & 3 x 120 mm) case fans for maximized cooling.
Dual 360 mm Radiator Support
This PC case can fit up to 2 x 360 mm AIO liquid cooling radiators, and the front and top sides offer 80 mm of clearance for the thicker radiator models. With a wide range of radiator installation options, it also supports the installation of multiple AIO liquid coolers or a custom liquid cooling loop with more than one radiator.
Top I/O Connectivity
The top I/O panel features a USB 3.2 Gen 2x2 Type-C port for high-speed 20Gbps data bridging to compatible motherboards.
- 2 x USB 3.2 Gen 1 Type-A (5Gbps)
- 1 x USB 3.2 Gen 2x2 Type-C (20Gbps)
- Mic in / Audio out
- LED Switch Button
- Reset Button
- Power Button
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
Works Great!
Much quieter than I was expecting. Lawn had needed this for years, I regained 6"-10" of driveway/sidewalk back. Makes the rest of the neighborhood look bad LOL Only the cleaning up wore me out, but it should be much easier next time.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
★★★★★ 5
Very light and effective trimmer
Style: 20V String Trimmer Kit
I’m very well designed trimmer that cuts through grass and weeds very easily. The battery lasts about 45 minutes. It’s fairly light and easy to use. I think it’s also a pretty good value.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 12, 2026
★★★★★ 5
Perfect trimmer for my yard.
Style: 20V String Trimmer Kit
Works great. Love all the features for the price. I can get two yard trims out of 1 battery charge which is fine for me.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
★★★★★ 4
Nice unit, but poor user's manual
Style: 20V String Trimmer Kit
The unit itself is very nice. Seems sturdily built and is lightweight. Adjustable length works well and locks securely. I question the need for two speed control, but their claim is the lower speed saves battery power. I am not sure how much of a difference it makes and changing speeds in use is not very intuitive. A better choice would be an in between speed which is permanent to get better cutting and a little longer battery life. My annoyance comes from the lack of much information about the "automatic line feed" and how it operates. The fact is, the user's manual is bare bones for user information. The booklet is small, is divided into three languages, and all of the "icon" diagrams to explain things are so small you need a magnifying glass. I wanted to know what triggers the line feed, how it knows to lengthen it, and how it knows to stop feeding. None of that information is in the book or on the Black and Decker website videos. Aside from that, the unit is built well and should be durable. It is a good value for the money.
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Reviewed in the United States on November 4, 2025
★★★★★ 5
Black & Decker battery grass trimmer tool
Style: 20V String Trimmer Kit
Top quality battery operated Black & Decker Cordless String Trimmer ; . Assembly was very easy, only a couple pieces, not too heavy , versatile. ; What is great about the Black & Decker battery operated tools is that you can use the 20v battery with other Black & Decker tools that are out in the market. also, an extra battery can be purchased.. Tool as good instructions if you need it .
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Reviewed in the United States on May 15, 2026
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