If your GPU only has one HDMI port, you might feel limited when connecting multiple displays.
If your GPU only has one HDMI port, you can connect multiple monitors using a DisplayPort-to-HDMI adapter, HDMI splitter (mirrors display), or docking station. Checking for extra motherboard ports can also help.
This guide will explore why GPUs have limited HDMI ports and the best ways to expand connectivity.
Understanding HDMI and GPU Port Configurations
HDMI has become a standard for transmitting high-definition video and audio signals through a single cable, widely used in monitors, televisions, and projectors. Despite its popularity, GPUs often include only one HDMI port. Several factors influence this design decision:
- Space Constraints: The back panel of a GPU has limited space, necessitating a balance between different types of ports to cater to various user needs.
- Versatility: DisplayPort offers higher bandwidth and supports advanced features like daisy-chaining multiple monitors, making it a preferred choice for many manufacturers.
- Cost Considerations: Including multiple HDMI ports can increase manufacturing costs, which may not be justified given the availability of other versatile ports.
Why Having Only 1 HDMI Port on a Graphics Card Can be Limiting
1. Limited Display Connectivity Options
Having only one HDMI port on a GPU means you can connect just one display using HDMI. If you want multiple screens, you’ll need adapters or use other ports like DisplayPort or DVI.
This limitation can be frustrating, especially for gamers, content creators, or professionals who need multiple monitors for better workflow.
If your monitor only has HDMI, you might struggle to connect it without extra accessories. Checking available ports before buying a GPU can help avoid this issue.
2. Compatibility Issues with HDMI-only Devices

Some devices, like TVs, projectors, and older monitors, only support HDMI connections. If your GPU has just one HDMI port, you might find it difficult to connect multiple HDMI-only devices simultaneously.
Adapters or docking stations can help, but they might not always support high refresh rates or resolutions.
This can be frustrating, especially when working with multiple HDMI-dependent displays. Choosing the right accessories is essential to avoid connection issues.
3. Limitations for VR and High-Resolution Setups
Virtual reality (VR) headsets and high-resolution monitors often need a direct HDMI connection for the best performance.
If your GPU has only one HDMI port, you might have to unplug your monitor to use a VR headset, which is inconvenient. Adapters or DisplayPort cables can sometimes work, but not all devices support them properly.
This limitation can frustrate gamers and professionals who need high refresh rates and smooth performance. A multi-port GPU can help avoid these problems.
4. Potential Solutions and Workarounds
If your GPU has only one HDMI port, several ways exist to connect multiple displays. You can use adapters, like DisplayPort-to-HDMI converters, or a docking station with extra HDMI outputs.
HDMI splitters can mirror the display on two screens but won’t extend it. Another option is upgrading to a GPU with multiple HDMI ports.
Checking your monitor’s available ports and using the right cables can help create a smooth multi-monitor setup without significant issues.
Another Perspective on Graphics Cards with Only 1 HDMI Port
Having just one HDMI port may seem like a drawback, but it’s a design choice. Modern GPUs include DisplayPort because it supports higher resolutions, better refresh rates, and multi-monitor setups.
HDMI is great, but DisplayPort offers more flexibility. If your GPU has only one HDMI port, you can still use adapters or other ports to connect extra displays. Understanding these options can help you maximise your setup without feeling limited.
Alternative Ports on Your GPU
While the limited number of HDMI ports might seem restrictive, GPUs typically offer other ports that can be utilized to connect additional displays:
- DisplayPort (DP): Known for its high bandwidth, DisplayPort supports higher resolutions and refresh rates, making it ideal for gaming and professional applications.
- Digital Visual Interface (DVI): An older standard that still provides reliable digital video output, suitable for many monitors.
- Video Graphics Array (VGA): An analogue interface primarily found on legacy systems, offering compatibility with older displays.
Connecting Multiple Monitors with a Single HDMI Port

If your GPU has only one HDMI port but you wish to connect multiple monitors, several solutions are available:
- Utilize Other Available Ports: Check if your monitors support DisplayPort, DVI, or VGA inputs. These ports allow multiple monitor setups without relying solely on HDMI.
- Use Adapters or Converters: Adapters can bridge the gap between different port types. For instance, a DisplayPort to HDMI adapter allows you to connect an HDMI monitor to a DisplayPort output on your GPU.
- Employ an HDMI Splitter: An HDMI splitter can duplicate the signal from one HDMI port to multiple monitors. However, this method typically mirrors the display rather than extending it, limiting its usefulness for multitasking.
- Invest in a Docking Station: Docking stations often come with multiple video output options, enabling the connection of several monitors through a single interface, such as USB-C.
Considerations When Using Adapters and Splitters
While adapters and splitters offer flexibility, it’s essential to be aware of potential limitations:
- Signal Quality: Low-quality adapters may degrade signal integrity, reducing resolution or refresh rates.
- Compatibility: Not all adapters support all resolutions and refresh rates. Ensure the adapter matches your display’s specifications.
- Functionality: As mentioned, HDMI splitters typically mirror the display. Using different port types or a docking station is advisable to extend your desktop across multiple monitors.
Future-Proofing Your Setup
To avoid similar limitations in the future, consider the following when upgrading your hardware:
- Select Monitors with Multiple Input Options: Monitors equipped with various input ports (HDMI, DisplayPort, USB-C) offer greater flexibility in configuring your setup.
- Opt for GPUs with Diverse Port Selections: Some GPUs provide multiple HDMI ports alongside other connections, catering to users who prefer HDMI.
- Embrace Emerging Technologies: USB-C and Thunderbolt ports are becoming increasingly common and support video output, offering additional avenues for connecting displays.
My GPU Only Has 1 HDMI Port Gaming
Gaming on multiple monitors can be tricky if your GPU has only one HDMI port. To connect extra screens, you can use DisplayPort or an adapter.
Many gaming monitors support DisplayPort, which offers higher refresh rates and better performance for smooth gameplay.
DisplayPort to HDMI
A DisplayPort to HDMI adapter connects an HDMI monitor to a DisplayPort GPU output. However, not all adapters support high refresh rates or resolutions.
An active adapter ensures better compatibility, making it a good alternative for setups with only one HDMI port.
Only 1 HDMI Port on the PC
If your PC has only one HDMI port, you can connect multiple monitors using DisplayPort, USB-C, or adapters.
Some motherboards also have HDMI ports that use integrated graphics. Checking all available ports can help expand your display setup without upgrading your GPU.
DVI to HDMI
DVI to HDMI adapters let you connect a DVI monitor to an HDMI output. However, DVI doesn’t carry audio so that you may need separate speakers.
While useful for older monitors, DisplayPort or direct HDMI connections offer better quality for gaming and high-resolution displays.
HDMI Splitter

An HDMI splitter lets you connect two screens to one HDMI port, but it only mirrors the display, not extends it.
This is useful for presentations or duplicate screens but not gaming or multitasking. For an extended display, use DisplayPort or a docking station.
4090 Only 1 HDMI Port
The RTX 4090 has one HDMI port because manufacturers prioritize DisplayPort for better performance.
DisplayPort supports higher resolutions and refresh rates, making it ideal for high-end gaming. Using a DisplayPort to HDMI adapter or a docking station can help if you need multiple HDMI connections.
Why Do Graphics Cards Only Have 1 HDMI?
Most GPUs have one HDMI because DisplayPort offers better performance. DisplayPort supports higher refresh rates and resolutions.
Adapters or a docking station can help if you need more HDMI ports. Always check your GPU’s available ports before buying a monitor.
My GPU Only Has 1 HDMI Port, But I Need 2.
Use a DisplayPort to HDMI adapter if your GPU has one HDMI but needs two. Another option is an HDMI splitter, but it only mirrors screens. Checking if your monitor supports DisplayPort can help avoid extra adapters or connection issues.
I Want to Use Two Monitors, but My GPU Only Has 1 HDMI Port.
To use two monitors, connect one with HDMI and the other using DisplayPort or an adapter. DisplayPort to HDMI adapters work well.
If your monitor supports DisplayPort, connect directly for better performance. Check your GPU’s ports for the best setup.
I Have 2 Monitors with HDMI Port, But Only 1 HDMI Port on PC.
If both monitors use HDMI, but your PC has only one HDMI port, use a DisplayPort-to-HDMI adapter or check for extra ports on your motherboard. An HDMI splitter can mirror screens, but adapters or a docking station work best for extended displays.
How Do I Run Dual Monitors If My GPU Has 1 HDMI Port?
You can run dual monitors using DisplayPort, USB-C, or an adapter. Connect one monitor with HDMI and the other using an adapter. If your motherboard has an HDMI port, you might enable integrated graphics to connect an extra monitor.
FAQs
1. What Should I Do If I Have 1 HDMI Port in My GPU?
Use a DisplayPort-to-HDMI adapter, connect via USB-C, or check for extra ports on your motherboard. HDMI splitters only mirror screens, not extend them.
2. My Graphics Card Only Has One HDMI Port, Can I Connect a Second Monitor to It?
Yes! Use a DisplayPort-to-HDMI adapter or check if your motherboard has another HDMI port. HDMI splitters don’t extend displays; they only duplicate them.
3. How Do You Use Multiple Monitors with a Graphics Card That Only Has 1 HDMI Port?
To connect extra monitors, use DisplayPort, USB-C, or an adapter. HDMI splitters mirror screens, but adapters allow an extended display for better multitasking.
4. Why Does My Graphics Card Have Three DisplayPorts but Only One HDMI and One DVI?
DisplayPort supports better refresh rates, resolutions, and multiple monitors. HDMI is included for compatibility, but manufacturers prioritize DisplayPort for high-performance gaming and productivity.
5. My GPU Has One HDMI Output, How Can I Connect Two Monitors with (2x) HDMI Inputs?
Use a DisplayPort-to-HDMI adapter or docking station. An HDMI splitter will only mirror screens, but adapters allow independent displays for better workflow.
6. My GPU Has Only One HDMI, How Can I Connect Two Monitors with HDMI Cables and Use 1 Computer Dual Monitors?
For the second monitor, use a DisplayPort-to-HDMI adapter. If your motherboard has HDMI, enable integrated graphics. HDMI splitters only duplicate, not extend, screens.
Conclusion
If your GPU has only one HDMI port, you can connect multiple monitors using DisplayPort, adapters, or a docking station. Checking your available ports and choosing the right accessories ensures a smooth multi-monitor setup without needing a new GPU.