Dimensions of the RTX 4090: size and footprint of NVIDIA’s high-end graphics card

When it comes to high-end graphics cards, the RTX 4090 is undoubtedly the queen of the moment. As an engineer passionate about technology, I had the chance to handle this beast of a machine, and I can tell you that it does not go unnoticed, both for its performance and its impressive size. Let’s dive together into the details of its dimensions and bulk, crucial aspects to consider before embarking on the acquisition of this power monster.



The colossal dimensions of the RTX 4090



The RTX 4090 is not a graphics card like any other. Its measurements are simply pharaonic. With a length of about 32.9 cm, a width of 13.7 cm, and a thickness of 7.1 cm, it stands out as one of the largest cards on the market. To give you an idea, it is 17% wider than its predecessor, the RTX 3090, which was already not a model of compactness.



Here is a summary table of the dimensions of the RTX 4090:
























Dimension Measurement
Length 32.9 cm
Width 13.7 cm
Thickness 7.1 cm
Weight (with packaging) 2.34 kg


These imposing dimensions do have consequences for installation. The RTX 4090 typically occupies 3.5 to 4 PCI Express slots in a PC case. I’ve even seen some custom models that push the limit to 5 slots! Let’s just say that you need to make sure there is enough space in your case.



When I installed my first RTX 4090 for my mining setup, I had to completely rethink the layout of my case. It was quite a challenge, but the performance achieved was worth it.



A cooling system worthy of the name



If the RTX 4090 is so large, it’s not just for show. This impressive size is justified by the need to incorporate a cooling system capable of handling its power. The design has been completely revamped compared to previous generations to optimize thermal dissipation.



The cooling system of the RTX 4090 generally includes:




  • 3 large fans

  • A massive heatsink

  • High-performance heat pipes

  • A backplate for passive dissipation



This configuration allows for maintaining acceptable temperatures despite the phenomenal power deployed by the card. As a cryptocurrency miner, I can assure you that this is a crucial aspect for maintaining optimal performance over extended periods.



However, you need to be aware that this cooling system significantly contributes to the overall bulk of the card. If you are considering installing an RTX 4090 in your setup, make sure you have optimal airflow in your case to fully exploit its potential.



Dimensions of the RTX 4090: size and bulk of NVIDIA's high-end graphics card

Implications for case choice and installation



The unusual dimensions of the RTX 4090 have significant repercussions on case choice and installation. Here are some crucial points to consider:




  1. Case compatibility: Not all cases are suitable for accommodating such a card. It’s imperative to check the maximum dimensions supported by your case before proceeding.

  2. Internal space: Even if the case is compatible on paper, you need to ensure that there is enough space for other components, particularly the water cooling system if you are using one.

  3. Graphics card support: Given the weight of the RTX 4090 (about 2.34 kg with packaging), support is generally provided to prevent sagging. This is an accessory that should not be overlooked to preserve the integrity of your motherboard.

  4. Power supply: The size of the card is not the only challenge. You also need to ensure that the power supply is powerful enough and has the necessary connectors.



I still remember the day I received my first RTX 4090. I was so eager to install it that I almost forgot to check the compatibility with my case. Fortunately, I took the time to measure everything before diving in. Believe me, it’s worth taking your time to avoid nasty surprises!



The impact on performance and usage



Despite its bulk, the RTX 4090 offers exceptional performance that fully justifies its size. Whether for 4K gaming, 3D content creation, or cryptocurrency mining, this card pushes the limits of what is possible.



Here are some advantages related to its design:




  • Better thermal stability thanks to the oversized cooling system

  • Ability to maintain high frequencies over long periods

  • Reduced noise thanks to larger fans spinning at lower speeds

  • Increased overclocking potential



In my mining activities, I have observed a significant improvement in performance compared to previous generations. The thermal stability allows for maintaining a high hashrate without the risk of overheating, even under intensive conditions.



Nonetheless, you need to be aware that this imposing size can also have some drawbacks. For example, if you are considering a multi-GPU setup, you will need to plan for a truly spacious case or opt for a specialized rack solution.



Ultimately, the size of the RTX 4090 is the price to pay for unparalleled performance. If you have the necessary space and are looking for the best of the best in terms of graphics power, this card is made for you. But don’t forget to measure your case carefully before placing your order!

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