A motherboard is the main circuit board in a computer that connects the various components. It is a crucial part of any computer system as it determines the capabilities and features of the system. One critical aspect to consider when choosing a motherboard is the number of graphics processing units (GPUs) it can accommodate. The number of GPUs that a motherboard can support can vary depending on the size and design of the mobo and the specific user’s needs.

In this article, we will explore how many GPU can a accommodate support and the influencing factors. Moreover, this post will discuss tips, methods, and more for users who want to connect multiple GPUs to their systems. Remember, multiple graphics cards are only required for top-tier graphics performance. Suppose you’re a basic gamer or productive user. In such a case, you probably don’t need multiple graphics cards. Let’s discuss the primary query, cautions, and more in detail!

Key Takeaways

  • Most motherboards can accommodate one to four graphics cards.
  • But we have a few HEDT motherboards that can accommodate even six GPUS for mining and ultra-edge graphics-intensive workloads.
  • The specific number will depend on the size and design of the motherboard as well as the needs of the user.

How many GPU can a motherboard support?

The number of graphics processing units (GPUs) that a motherboard can accommodate can vary widely depending on the size and design of the motherboard as well as the specific needs of the user. In general, most of the current-are motherboards can support anywhere from one to four GPUs, although some high-end models may be able to support more. For example, we have seen some motherboards accommodate up to six graphics cards. But such motherboards are used for extreme graphics performance like mining.

The number of GPUs a motherboard can support is typically determined by the number of PCI-Express (PCIe) slots available on the motherboard. PCIe slots connect graphics cards, network cards, and other expansion cards to the motherboard. Most graphics cards use a PCIe interface to connect to the motherboard, so the number of PCIe slots on the motherboard will determine the number of GPUs that can be installed.

Several factors can influence the number of PCIe slots on a motherboard, including the size of the motherboard and the specific chipset used. Larger motherboards will typically have more PCIe slots, which means they can support more GPUs. Similarly, certain chipsets may include more PCIe lanes, allowing for more PCIe slots on the motherboard. Other than that, a motherboard with so many PCIe slots is also more expensive than the ones with fewer extension slots. You must also consider this factor in a motherboard.

What are the requirements to connect multiple GPUs on a single motherboard?

There are a few requirements for connecting multiple GPUs to a motherboard:

  1. An Adequate number of PCIe slots: The motherboard must have enough PCI-Express slots to accommodate the number of GPUs you want to connect. Most motherboards have at least one PCI-Express x16 slot for a graphics card, but you may need more depending on the number of GPUs you want.
  2. Sufficient power: The motherboard must have sufficient power to support the combined power requirements of all the GPUs. This typically means having a power supply unit (PSU) with enough wattage to support the GPUs and any other components in the system.
  3. Compatibility between the motherboard and GPU: The GPUs must be compatible with the motherboard and with each other. Some GPUs may not be compatible with particular motherboards or work well when connected in a multi-GPU setup. It’s important to do your research and ensure the GPUs you choose are compatible with your motherboard and each other.
  4. Acceptable operating system and drivers support: The operating system and any necessary drivers must support multi-GPU configurations. Most modern operating systems, such as Windows and Linux, support multi-GPU configurations, but you may need to install the necessary drivers to get everything working correctly.
  5. Sufficient connectors: You may need a special connector to connect the GPUs to the motherboard. Depending on the motherboard and the GPUs you are using, you may need to use a special connector, such as an SLI bridge or a CrossFireX bridge, to connect the GPUs to the motherboard.

What are the advantages and disadvantages of using multiple GPUs on a single motherboard? 

To support numerous cards, you might also need to upgrade your motherboard. A motherboard with two or more GPUs may have notable pros and cons.


Connecting multiple graphics cards to a single motherboard has several benefits. A few cons are included as follows:

  • Better graphics performance: A PC and motherboard with several GPUs can deliver significantly more outstanding performance and superior video graphics.
  • High-resolution gaming: The games can also be played on a computer at higher resolutions thanks to the availability of numerous graphic cards.
  • Affordability: The costs of having an additional GPU on a computer are certain. You can always invest in more GPUs if you have the money because they will enhance your computer experience.
  • Ideal for mining: For some tasks, like mining, more GPUs and more potent processors and PCs are already in use.


There are also some disadvantages to connecting multiple graphics cards with a single motherboard. Those are included as follows:

  • Good for only mining: You do not require a computer with multiple graphic cards if you do not use mine cryptocurrencies or play video games on it.
  • Not for low-end graphics utilization: Having two or more GPUs would be a good use of effort and money in this situation because there would be no performance difference.


This post discussed the number of graphics cards most of the current-era motherboards can accommodate. In general, a motherboard can accommodate as many GPUs as it has available PCI-Express slots. However, other factors, such as the power supply and the CPU, may limit the system’s performance. The number of GPUs that a motherboard can accommodate depends on the motherboard’s design and the number of available PCI-Express slots. You must check the number of PCIe slots on your motherboard to determine the graphics cards’ number.

Frequently Asked Questions

Does motherboard have GPU limit?

Yes, there are GPU limits on motherboards. Motherboard manufacturers typically include a maximum number of GPUs that can be used with their devices. Although most motherboards only support two GPUs, some support three or even four.

This cap was put in place primarily to avoid overclocking, which can make a system unstable and harm its components. Although it is feasible to use more GPUs than advised, doing so is not recommended since it could void your warranty and lead to issues in the future.

What to know when connecting multiple GPUS?

The video card must first be inserted into the motherboard’s appropriate slot. You will hear a “snap” sound gently pressing the card. Since your graphic card has a metal plate at the end, you can also screw the GPU to the motherboard. The second GPU and video card should go through the same procedure.

You must power the two cards after you’ve combined the two. The two GPUs must be connected to power separately if their connections are different. In other circumstances, you can only connect one of them to power.

Abdullah Sarfraz
Myself Abdullah Sarfraz and I am an SEO. My hobby is reviewing the latest tech-related products. For the past few years, I am working on amazon affiliated sites therefore, I came to know my interest and chose this field, now I have good experience in it.