Best PC Cases for RTX 4090: Our Top 4 Picks

Highlights

  • Selecting the right PC case for RTX 4090 is vital to house it properly and get the best performance.
  • It is important to select a case with good heat dissipation for better performance of the GPU under heavy load.
  • We have compiled a list of the best PC cases for RTX 4090, including Cosmos C700M, SHADOW BASE 800 FX, etc.
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Lian Li 011 Dynamic XL
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Building a gaming PC is a dream of every gamer. Now, to do it right, you have to make sure that every part you select is the best. For many advanced PC gamers, the mighty NVIDIA GeForce RTX 4090 GPU is a go-to choice. 

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However, there are a few things to consider. For starters, it is a “large” graphics card. Then, it also demands a lot of cooling for optimal performance. So, to get the best performance from it, you need a spacious PC case that can easily fit the compatible motherboard and the RTX 4090. 

Well, it is easier said than done because every gamer’s choice of PC case is different. It depends on many factors like their budget, gaming setup aesthetics, other parts of the configuration, etc. 

If you are building a gaming PC setup with RTX 4090 in mind and need a list of some good PC cases, we have got you covered. Today, we are listing the best PC cases for RTX 4090 GPU. 

Understanding Your Needs: The RTX 4090’s Demands

Without seeing the generic list of what PC cases are going to be the best, let’s try to understand the demand for the RTX 4090 GPU. That way, it will be beneficial for you to select the best case from the list. Here are a few things to consider:

  • Size: The RTX 4090 is a hefty unit, often exceeding 12 inches (30cm) in length and requiring triple PCI-e slots. Ensure your case offers ample clearance for the card’s length, width, and additional power connectors. Double-checking measurements is crucial.
  • Cooling: Well, the RTX 4090 is mighty in performance, but just with everything else, this one also comes at a cost. The cost is thermals. So you need to prioritize cases with excellent airflow, ample intake, and exhaust fans, radiator support for water cooling enthusiasts, and good dust filtration.
  • Power Delivery: Since it is a powerful card, it also needs a huge amount of power to keep it running. Your case should accommodate a robust power supply unit (PSU) – ideally 850W or higher – with sufficient cabling to reach the card’s hungry connectors.
  • Aesthetics: In the end, we all want a PC that looks as good as it performs. Consider tempered glass panels, RGB lighting options, and an overall design that complements your build’s personality.

With these points in mind, you can make a better and more informed choice about the PC case you are going to get. 


4 Best PC Cases for RTX 4090

be quiet! Shadow Base 800 FX

best pc cases for rtx 4090

We have the be quiet! Shadow Base 800 FX to start the list. This one is for all the gamers who want the sleek and premium gaming look without spending too much on the PC case itself.

To start with the design, it is a very simple-looking PC case, which means that you can make a lot of customizations to it. 

Let’s talk about the merits of this PC case first. In terms of performance, Be Quiet’s approach is to make it thermal efficient to boost the performance of every component inside the cover. For that, they have an open mesh front panel that allows for unrestricted cool air intake.

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This focus on airflow is further enhanced by the inclusion of four pre-installed 140mm Pure Wings 2 PWM fans. These fans provide excellent cooling and are known for their quiet operation, a welcome trait for noise-conscious builders.

Despite its mid-tower design, the Shadow Base 800 FX offers a surprisingly spacious interior. This allows for comfortable accommodation of the RTX 4090 with ample room for other high-performance components.  

Overall, it is an excellent PC case for your RTX 4090.

Pros
  • Outstanding thеrmal pеrformancе

  • Intеrior spacе for ATX and E-ATX mothеrboards

  • Four 140mm Light Wings fans are included for optimal airflow

  • PWM and ARGB hub for simple fan and lighting control

  • Intеlligеnt cablе managеmеnt fеaturеs

  • Sidе panеl of tеmpеrеd glass for displaying intеrnal componеnts

Cons
  • The price is slightly higher than that of some competitors

  • Some users may prefer a bolder front panel design

  • For people who like intense gaming aesthetics, this might be a bit dull


Lian Li O11 Dynamic XL

Lian Li O11 Dynamic XL - best pc cases for rtx 4090

The Lian Li O11 Dynamic XL is a titan among PC cases, and for good reason. This versatile mid-tower powerhouse is a perfect match for the mighty RTX 4090, offering exceptional cooling, ample space, and a modular design that caters to both air-cooled and water-cooled builds.

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If we talk about space, you get a 446mm GPU length, which is more than good for the RTX 4090. 

The first thing you’ll notice is the O11 Dynamic XL’s impressive size. This case dwarfs many mid-towers, providing ample clearance for the hefty RTX 4090. The real star of the show, however, is the airflow.

The mesh front panel allows for unrestricted intake, while strategically placed vents and dust filters ensure optimal air circulation. You won’t have to worry about thermal throttling, even when pushing the RTX 4090 to its limits.

The O11 Dynamic XL’s modular design is another major advantage. The removable side panels and top section allow for easy access to components and customization. With a whopping 13 potential fan mounting points, you can tailor the cooling configuration to your specific needs. 

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Pros
  • The mesh front panel and multiple fan mounting points ensure your RTX 4090 stays cool under pressure

  • The case easily adapts to air-cooled or water-cooled builds with its removable panels and extensive fan support

  • The spacious interior comfortably accommodates the RTX 4090 and other high-end components

Cons
  • The O11 Dynamic XL is larger than many mid-tower cases, so ensure you have the desk space to accommodate it

  • Compared to some basic cases, the O11 Dynamic XL sits at a slightly higher price point


Corsair iCUE 5000X RGB

Corsair iCUE 5000X RGB - best pc cases for rtx 4090

Next up is the fan-favorite Corsair iCUE 5000X RGB, and the main reason for that is its almost perfect balance between aesthetics and performance.

This mid-tower case features a perforated front panel for airflow, aided by included exhaust fans, keeping your graphics card from overheating. 

The best thing is that you get a tempered glass that provides a clear view of your beautifully designed rig, which includes the RTX 4090 as the centerpiece.

However, the true magic lies in the pre-installed RGB fans. These fans not only provide more cooling, but they also integrate with Corsair’s iCUE software, allowing for stunning illumination customization. 

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The RTX 4090 and other high-end components are then comfortably housed in the large interior, which includes cable management features for a clean appearance.

While the iCUE 5000X RGB might cost a bit more due to its premium features, it’s a compelling choice for those who want a stylish and well-cooled home for their RTX 4090.

Pros
  • The perforated front panel and included fans ensure the RTX 4090 stays cool even under heavy load

  • Tempered glass panels and customizable RGB lighting allow you to showcase your build in style

  • The spacious interior comfortably houses the RTX 4090 and other high-end components

Cons
  • Compared to some basic cases, the iCUE 5000X RGB comes at a premium due to its emphasis on aesthetics and pre-installed features

  • While airflow is good for air cooling, radiator options for water cooling enthusiasts might be slightly limited compared to some full-tower cases


Cooler Master Cosmos C700M

Cooler Master Cosmos C700M - best pc cases for rtx 4090

Next up, we have the Cooler Master Cosmos C700M PC case, which is easily one of the best PC cases for RTX 4090. For users who want everything big in their setup, this PC case should attract their eyes.

It comes with brushed aluminum panels and a panoramic tempered glass side panel to create a stunning visual.

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One of the best features of this case is the option to rotate the motherboard tray 90 degrees. This allows for a unique “chimney” layout, further enhancing the visual appeal. 

Another great thing about the case is its thermal efficiency. For that, the brand has strategically placed vents and ample fan mounts to ensure excellent airflow. So your RTX 4090 can stay cool when you are working with heavy games.

The spacious interior provides ample room for the RTX 4090 and even the most elaborate water-cooling setups.

Additionally, the case offers the option to mount the graphics card vertically using the included riser cable, showcasing its full glory through the tempered glass panel.

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Finally, the modular architecture allows for easy customization, making it a tinkerer’s paradise. While it may be expensive, the Cosmos C700M is the ideal statement piece for those assembling an RTX 4090 powerhouse that requires both luxury and performance.

Pros
  • The brushed aluminum and panoramic glass panel make the Cosmos C700M a stunning display case for your RTX 4090 build

  • The spacious interior comfortably houses the RTX 4090 and even the most elaborate water-cooling setups

  • Its modular design and vertical GPU mount allow for a truly personalized and unique PC build

Cons
  • The Cosmos C700M sits at a premium price point, making it an investment for serious enthusiasts

  • This full-tower case requires significant desk space, so ensure you have the room to accommodate its grandeur


Final Thoughts

Building a PC around the mighty RTX 4090 is exciting, but selecting the perfect case requires a lot of thought. We hope this list of the best PC cases for RTX 4090 helps you find the right one.

Also, always remember that the best case for you depends on your priorities. Consider factors like budget, desired aesthetics, cooling needs, and available space before making your final decision.

Further Reading:

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