Productivity, innovation, and gaming—these are the key aspects that immediately come to mind when considering GPUs. When seeking peak performance, the RTX 40-series stands out as the top choice. However, their substantial size prompts the need for an appropriately spacious case, leading us to compile a list of the best cases tailored for the RTX 4080.
Constructing a system with the RTX 4080 in focus becomes straightforward once you acknowledge the considerable dimensions of these GPUs. The introduction of the RTX 4090’s size might have been surprising initially, but it is now expected that Nvidia’s ADA cards will boast substantial dimensions.
When in search of a case for your recently acquired RTX 4080, it’s crucial to recognize the necessity for a powerful power supply unit (PSU). Despite their energy efficiency, these GPUs have high power demands, and conventional PSUs may fall short in meeting the GPU’s requirements. Therefore, your chosen case should also accommodate a larger and more powerful PSU.
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6 Best cases for RTX 4080 in 2023
1. Corsair 5000D Airflow
The Corsair iCUE 5000D Airflow is a top-level option suitable for both beginners and experienced builders. It not only accommodates the large RTX 4080 but also provides ample space for an elaborate water-cooled loop.
With instant airflow, premium construction, and stunning aesthetics, this Corsair case stands out as one of the best chassis options available.

Pros:
- High-quality case at a reasonable cost
- Magnificent design
- excellent airflow
- Modular design
Cons:
- Because of the four glass panels, airflow may be compromised in 5000X (glass front) variants.
2. Phanteks Eclipse
The Phanteks Eclipse, available in plain airflow and D-RGB options, offers enhanced aesthetics and numerous features. With support for vertical GPU mounting, multiple large radiators, and efficient cooling straight out of the box, this case is an excellent choice for housing the RTX 4080.

Pros:
- exceptional performance in airflow
- 3 x 140mm D-RGB fans
- Integrated lighting in cases
- Vertical GPU mounting
Cons:
- Noisy at maximum RPM for the fans
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3. Asus ROG Strix Helios
The Asus ROG Strix Helios combines stunning design with functionality. Constructed with aluminum, alloy, and tempered glass, this case is visually impressive. Its RGB lighting on the front panel adds a touch of flair.

The case comes with pre-installed black fans, a removable dust filter, and a special PCI slot bezel. With dimensions of 250 x 565 x 591 mm, it provides enough space to comfortably house the RTX 4080. The case’s cooling system and additional features make it a solid choice for high-performance builds.
Pros:
- Maximum PSU Length: 220 mm
- Powerful fans
- Great stock thermal performance
Cons:
- Fans can be noisy
4. Fractal Design
The Fractal Design, part of the Pop-series, offers an unbeatable combination of quality and affordability. With ample room for water cooling, support for EATX motherboards, and included 120mm Aspect RGB fans, this case provides fantastic value for its price. It’s a sleek and stylish choice for housing the RTX 4080.

Pros:
- Great value
- exceptional performance in airflow
- Impressive style
Cons:
- The XL model is rather huge.
5. Lian Li O11
Lian Li is a well-known name in the computer case industry, and the O11 Dynamic XL stands out as one of the best cases.
With its aluminum plate construction, tempered glass panels on the front and side, and modular design, this case offers a premium look and feel. It supports standard ATX, mini ITX, or micro ATX motherboards and provides customization options. The ample space and additional fan support make it an ideal choice for optimizing airflow and cooling, crucial for the RTX 4080.

Pros:
- Superb aesthetics
- Ample space for cooling
- Interchangeable drive bays
Cons:
- Not cheap
6. Thermaltake Core
The Thermaltake Core takes a unique approach with its design, featuring a wall-mountable and open-air design.
This case is highly modular and supports mini-ITX, micro-ATX, and ATX boards. While it may act as a dust magnet due to its open-air nature, its affordability, innovative design, and customizability make it a standout choice for those looking to showcase their components, including the RTX 4080.

Pros:
- Good price
- Awesome design
- Extremely modular
Cons:
- Dust magnet
How to choose a case for the RTX 4080?
The RTX 4080 comes with the following specifications:
- Length: 304 mm
- Width: 137 mm
- Slots: 3-slot (61 mm)
Comparatively, the RTX 3080 has the following specs:
- Length: 285 mm
- Width: 112 mm
- Slots: 2-slot
Given the size of the RTX 4080, it is advisable to opt for a larger motherboard, moving away from micro-ATX boards. Standard ATX or even E-ATX motherboards would be more suitable, providing ample space for the GPU. When selecting a case, consider the size of your motherboard.
Beyond the motherboard size, the next crucial factor is heat dissipation. A larger case offers more room for cooling systems, enhancing overall performance, which is particularly beneficial for tasks like overclocking, high-end gaming, or demanding content creation. If you have such requirements, opting for a bigger form factor like E-ATX is recommended.
When choosing from the best cases for the RTX 4080, consider not only the practical aspects like component compatibility and cooling but also the aesthetic appeal of the case. Whether you prefer a spacious design with plenty of airflow or a more compact rig interior, the choice is yours, as it reflects your personal creative vision.
FAQs
What size case is required for RTX 4080?
For optimal accommodation of the RTX 4080, we recommend a PC case with dimensions of at least 201 x 435 x 435 mm. This ensures ample space for the 4080, allowing for effective airflow, streamlined cable management, and convenient access to other components in your build.
What is the 4080’s size?
As for the dimensions of the RTX 4080 (Founders Edition), it measures 304 mm in length, 137 mm in width, and occupies three slots with a thickness of 61 mm. While it is smaller than the RTX 4090, it’s important to note that partner cards may have increased dimensions due to additional coolers and construction elements.
Is it necessary to add extra PC case fans for the RTX 4080?
The necessity for additional PC case fans for the RTX 4080 depends on various factors. The listed PC case options above come with pre-installed fans. Generally, having both intake and exhaust fans, along with decent airflow, is considered sufficient.
If there are concerns, adding an extra fan is always an option. Fans are relatively inexpensive, so it is advisable to select a case based on its airflow capabilities rather than solely relying on the number of included fans.
Will the RTX 4080 impact the case temperature?
In most cases, yes. The RTX 4080 is likely to influence the internal temperature of your PC case. This is attributed to the RTX 4080 being more powerful than its predecessor and having a higher TDP (thermal design power). To address this, you may want to upgrade your PC case fans or add more to mitigate the potential increase in temperatures.
Even a slight rise in internal PC temperatures can lead to significant inefficiencies in other cooling components, such as air-cooling heat sinks or radiators.