Contents
The key choice you are facing is selecting a 3 monitor kvm switch. The best overall pick is the UGREEN 8K@60Hz HDMI Displayport KVM Switch. It supports 3 monitors and 4 USB ports, making it easy to share between two computers. For a more budget-friendly option, consider the CMSTEDCD HDMI KVM Switch. It allows you to control two computers with just one monitor, increasing simplicity but sacrificing multi-screen capability.
The main tradeoff in this category is between multi-monitor support and cost. Buyers often choose between a switch with multiple monitors for enhanced productivity or a simpler model to save money. The rest of the page helps you explore various options to find the best match for your specific needs.
Paid links. We earn a commission from qualifying purchases at no extra cost to you. Prices are pulled live from Amazon and change often. How this works
The Top 8
Top 8 Kvm Switches Reviewed in Detail
Now, let’s take a closer look at the top picks for a 3 monitor kvm switch.
1. Best Overall
HDMI KVM Switch 1 Monitors 2 Computers 4K@60Hz USB KVM Switches 2 Ports for 2 PC Sharing Single Monitor and Keyboard Mouse with Wired Extend Controller Plug…
- 【KVM Switch 2 In 1 Out】This KVM switch 1 monitors 2 computers supports sharing a set of mouse and keyboard; simply press the switch button to quickly switch between 2 PCs without having to plug and unplug HDMI and USB cables back and forth, keeping your desktop neat and tidy while increasing your productivity. It also saves you money and reduces the need for duplicate equipment. Note: Each computer and monitor must be equipped with an HDMI port for proper operation. The use of conversion cables or adapters may result in unstable/flickering transmission or failure to transmit images(The device will disconnect intermittently)
- 【Ultra HD 4k】The HDMI KVM switch supports resolutions up to 4K@60Hz, allowing images to be displayed more beautifully and realistically, and colours will be more vivid and dynamic, and backward compatible with 3840*2160@30Hz, 1920*1080P@60Hz, 1920*1080P@30Hz, etc. Note: KVM requires a high-quality HDMI 2.0 standard cable no longer than 3.3 feet in length, and ensure that your computer and monitor support 4K to ensure the transmission of video signals!
- 【Desktop Remote Wired Control】The monitor switch for two computers has two switching modes.1) You can switch directly by clicking the button on the body of the KVM switch.2) You can hide the KVM switch and use the desktop controller to switch between the two computers, which makes your desktop cleaner, saves a lot of space and is more convenient to use. Note: This KVM switch does not support hotkey switching
- 【Mouse Keyboard KVM Switch 】This USB KVM switch has 2 USB 2.0 ports with data transfer speed up to 480Mbps, which can recognise a wired keyboard and mouse or other USB 2.0 devices to move files and photos easily. Different LEDs (green PC1 / blue PC2) clearly show which computer is active. KVM switch is also hot-swappable, allowing you to connect devices without rebooting, ensuring flexibility and portability
- 【Stable Use & After-sales】Our KVM switches are made of high quality materials, lightweight and compact, low power consumption, excellent compatibility, no driver required; plug and play, no external power supply required. Note: For compatibility reasons this small KVM switch is not recommended for use with Mac devices. If you encounter any problems during use, you can send us an email via the order number. Within 24 months, we will replace the switch at no charge
- 【Purchase Note & Packing List】If you can’t confirm the compatibility of this HDMI KVM switch before purchasing, or find it can’t be used after purchasing, please provide us with the video ports of 2 computers and 1 monitor, and we will recommend the most suitable KVM switch for you according to your computer configuration. Package includes: 1*HDMI KVM switch, 1* desktop controller, 2*USB 2.0 cables, 1*after-sales service card, 1*User Manual. No external power supply is needed for the KVM switch (HDMI cable is not included in the package)
The CMSTEDCD HDMI KVM Switch is a reliable choice for users needing to connect two computers to one monitor. Its standout feature is supporting 4K resolution at 60Hz, providing clear and detailed graphics. This model is ideal for users who want to keep their workspace organized while easily switching between computers without hassle.
Compared to other picks, this model is more limited as it only supports one monitor. Users looking for multi-monitor setups should consider options like the UGREEN 8K@60Hz switch. However, its simpler setup makes it a great choice for casual users or those who do not require multiple displays.
A significant limitation is that it can only connect two computers. If you plan to use more than two systems, this switch will not meet your needs. Overall, it is a solid choice for basic use.
Pros
- Supports 4K resolution at 60Hz for clear visuals.
- Compact design helps keep your workspace tidy.
- Easy switching between two computers with a simple button.
Cons
- Only supports one monitor, limiting multitasking.
- Cannot connect more than two computers.
Best for: Basic users needing a simple switch for two computers. Not ideal for: Users needing multi-monitor setups.
A practical choice for users looking for a straightforward KVM switch.
2. Best Heavy-Duty
UGREEN 8K@60Hz HDMI Displayport KVM Switch 3 Monitors 2 Computers, Aluminum
- KVM Switch 3 Monitors 2 Computers: This 2*Displayport + 1*HDMI KVM Switches allows you to switch effortlessly between two computers with one click — share 3 monitors and 4 USB 3.0 ports (keyboard, mouse, printer, webcam) without swapping cables. Space-saving KVM for home offices, content creators, and IT professionals. NOTE: Both computers must support triple-monitor output to use all 3 displays simultaneously. If either PC only supports 1 or 2 displays, the extra monitor(s) won’t activate
- Ultra HD 8K@60Hz/4K@240Hz Resolution: This USB KVM switch output features two DisplayPort 1.4 ports + one HDMI 2.1 port, each supporting up to 8K@60Hz resolution, and backward compatible with 8K@30Hz, 4K@240Hz/144Hz/120Hz/60Hz/30Hz. It also supports HDR10+, HDCP 2.3/1.4, VRR, FreeSync, and G-Sync, eliminating screen tearing and stuttering across three monitors, even at high frame rates. NOTE: If need to achieve 8K resolution, your computers and monitors both need to support 8K@60Hz resolution, and please make sure the length of your cables are within 2 meters 28AWG
- Two Switching Ways & Two Dispaly Modes: This KVM switch displayport HDMI supports button switching and desktop controller switching, freely switch between 2 computers. With the desktop controller, you can place this monitor switch for 2 computers outside your work area, making your desktop cleaner and tidier. Two Dispaly Modes, Mirror mode: Triple monitors output the same images, Extend mode: Triple monitors output different images. NOTE: Not support Keyboard shortcuts (hotkeys) toggles
- Wide Compatibility & Package List: This triple monitor KVM switch driver-free and plug and play, and supports Windows, and Linux systems. PACKAGE LIST: 1*KVM switch, 4*DP cables, 2*HDMI cables, 2*USB A cables, 1*power adapters, 1*desktop controller, 1*user guide
- NOTE: 1, To ensure normal usage, please make sure to connect the power supply via the power adapter. 2, To display content across three screens simultaneously, make sure each of your PC is equipped with 2 DisplayPort ports + 1 HDMI port. 3, Each computer at the input needs to be connected with 2* DP cables + 1* HDMI cable+1* USB cable. 4, Please make sure your PC supports 3 screens or above display function before purchasing. 5, If a signal converter or docking station is used, there may be compatibility issues. 6, NOT support EDID emulation
The UGREEN 8K@60Hz HDMI Displayport KVM Switch stands out due to its ability to connect three monitors to two computers. Its combination of two DisplayPort and one HDMI port allows for versatile setups, meeting the demands of home offices and creative workspaces alike. With support for 8K resolution at 60Hz, users will enjoy stunning video quality.
When compared to other models, it offers a significant advantage in multi-monitor support. Unlike the CMSTEDCD which only connects one monitor, the UGREEN switch provides an all-in-one solution for those needing extensive visual real estate. However, its heavier-duty build might not suit users who prefer lighter, more portable devices.
One limitation is that it may not support older hardware. If your computers do not have HDMI or DisplayPort outputs, this switch may not be the right fit. Nevertheless, for users who require multiple displays, this is a strong contender.
Pros
- Supports up to 8K resolution at 60Hz for excellent visual clarity.
- Includes multiple ports for versatile connectivity.
- Easily switch between two computers with a single button.
Cons
- Can be complex to set up with multiple monitors.
- May not work with older computers without HDMI or DisplayPort.
Best for: Users needing multiple monitors for enhanced productivity. Not ideal for: Users with older hardware lacking HDMI or DisplayPort.
A versatile choice for users looking to maximize their workspace with multiple displays.
3. Best Premium
Displayport KVM Switch 2 Monitors 2 Computers 4K@144Hz USB3.0 KVM Switch for 2 Computers Share Dual Displays and 4 USB Devices Support Extended/Copy Mode…
- 【KVM Switch Displayport】Dual monitor kvm switch displayport allows you to control two computers or other signal source,and share 2 monitor and 4 USB devices.KVM switch dp 1.4 support extended and copy mode.DP 1 and DP 2 ports on the kvm switch must be connected to the same computer.(Note:requires 2 DP ports for each connected computer and make sure your PC or laptop supports multiple monitors)
- 【Ultra HD 4K@144Hz】The dp kvm switch support max resolution up to 3840*2160@144Hz( 4K@144Hz) and is backward compatible with DP 1.2.Immerse yourself in the world of crystal-clear images,Brings you realistic visual enjoyment.Note: The final resolution also depends on the graphics card, monitor, cables and adapters. (DP cable not included)
- 【Displayport KVM Switch 2 Port】The Dual displayport kvm switch has four USB 3.0 ports,supports video bandwidth up to 48Gbps, data transfer rates up to 5Gbps, which is 10 times faster than USB 2.0 ports.which can recognize keyboard, mouse, printer and other USB devices.Note:please connect the input USB3.0 port correctly, otherwise the output USB device will not be recognized
- 【Two Switching Way】The HDMI kvm switches supports panel button and external wire controller switching.Using the wired extension button, you can place the kvm outside the work area, making your desktop cleaner and tidier.Or just press the panel button next to the indicator light to achieve one-click switching,Let you can save more time to do other things!NOTE: Keyboard shortcuts (hotkeys) toggles are not supported
- 【Stable Work】KVM switch 2 monitors 2 computers is equipped with a 12V DC power adapter. With the external power design, USB devices can obtain a stable working environment through the switch. Note: each computer needs 2 pcs DP cable + 1 pcs USB cable + 12V DC power be connected to get dual screen display properly.If you have any questions, please contact us, we will contact you within 24 hours
- 【Package Contents and After-Sales Service】The package includes a DisplayPort KVM Switch, 2 PCS USB-A 3.0 cables, 1 PCS desktop controller, 1 PCS DC12V adapter, and a user manual. Should the device malfunction within 12 months of use, we offer a return or replacement service. For any inquiries, please feel free to contact us at any time. We will provide professional assistance to ensure your complete satisfaction with your purchase
The TJCXELE Displayport KVM Switch is a solid option for those who need to control two computers with two monitors. It supports 4K at 144Hz, making it suitable for gaming and high-resolution tasks. Its ability to switch between extended and copy modes enhances its functionality, allowing versatility in how screens display content.
Compared to the other options, it has a unique feature of dual monitor support. However, it does not support as many USB ports as some competitors, which might be a drawback for users needing to connect multiple peripherals. The UGREEN KVM switch, for instance, provides more USB connectivity.
A limitation is that it requires two DisplayPort outputs from the computers to function effectively. If your setup doesn’t support this, you would need to look for another model. Overall, it’s a good choice for users focused on high-quality visuals.
Pros
- Supports 4K resolution at 144Hz for smooth visuals.
- Allows for extended or copy modes for flexibility.
- Can connect two computers with two monitors.
Cons
- Requires both computers to have DisplayPort outputs.
- Fewer USB ports compared to some alternatives.
Best for: Gamers and users needing high refresh rates. Not ideal for: Users without DisplayPort connections on their computers.
A strong choice for high-performance tasks requiring dual monitor support.
4. Best Splurge
Hearvo USB 3.0 HDMI KVM Switch for 2 Computers 1 Monitor, 4K@60Hz, S7232H
- 【KVM Switch 1 Monitors 2 Computers】This HDMI KVM Switch with two HDMI ports allows control of two computers, enabling them to share a single monitor along with keyboard and mouse. It’s complete USB switch and HDMI switch rolled into one. This KVM Switch also supports various input devices such as PCs, Laptops, PS4, etc. It is compatible with various operating systems including Windows 7/8/10/11/Vista/XP, Linux, Mac, and more.
- 【Four USB 3.0 Ports (3×USB-A + 1×USB-C)】 This KVM switch features 4 USB 3.0 ports with ultra-fast data transfer speeds up to 5Gbps, including 3 USB-A ports and 1 USB-C port for broader device compatibility. It allows you to seamlessly share peripherals between two computers, reducing cable clutter and improving workspace efficiency. Perfect for connecting and sharing USB devices such as keyboards, mice, scanners, printers, flash drives, headsets, and webcams. The switch automatically detects and recognizes connected devices for stable and reliable performance.
- 【4K Resolution & HDCP 2.2】HDMI KVM Switch supports stunning 4K resolution at 60Hz, ensuring crystal-clear and highly detailed visuals for your monitors. Additionally, it is HDCP 2.2 compliant, allowing you to seamlessly view HDCP-protected content on your monitors without any interruptions. It also supports 4K@30Hz, 2K, 3D, and 1080P, offering flexibility for various display needs. This guarantees both exceptional image quality and a smooth, secure multimedia experience.
- 【Two Ways of Switching】4K HDMI KVM Switch features two switching options: On-KVM Switch Button and Wired Remote Switch. The Wired Remote Switch allows you to place the HDMI KVM switch in hidden or distant location, keeping your desk tidy. Simply place the remote control within easy reach on your desk for quick access. With a press, you can switch between computers seamlessly, enhancing productivity and reducing clutter on your monitors.
- 【Adaptive EDID & Plug and Play】This USB 3.0 HDMI KVM Switch features Adaptive EDID, ensuring stable and smooth image transmission by automatically optimizing display settings on your monitors. Easy to install, this HDMI KVM switch requires no power supply or driver software—just plug it in and connect all cables for seamless operation between two computers and one monitor.
- 【Complete Package】The package includes the following items: 1* HDMI KVM Switch unit, two high-speed USB 3.0 cables for fast data transfer between computers, Protection Plan card for peace of mind, user manual for easy installation and troubleshooting, and 4 anti-slip rubber pads to keep your KVM switch stable and secure. Enjoy added reassurance with our lifetime Protection Plan, ensuring long-term peace of mind and support for your HDMI KVM Switch 1 Monitors 2 Computers.
The Hearvo USB 3.0 HDMI KVM Switch is designed for users who need to connect two computers to one monitor. It supports 4K at 60Hz for decent visual quality. This switch allows sharing of USB devices, making it practical for everyday use.
In comparison with other models, its strength lies in its simplicity. It is a good option for users who do not require multiple monitors but want to switch quickly between two systems. The CMSTEDCD also shares this simplicity, but the Hearvo model integrates USB sharing which is a plus.
A limitation is that it only connects one monitor. For users wanting more display options, this model is not suitable. It’s ideal for those who want an easy solution without the need for complicated setups.
Pros
- Supports 4K at 60Hz for clear images.
- Simple setup with easy switching between two computers.
- Includes USB sharing for additional convenience.
Cons
- Only supports one monitor, limiting workspace.
- Not suitable for users needing multi-monitor setups.
Best for: Users wanting a simple switch for two computers and one monitor. Not ideal for: Users needing multiple displays.
A straightforward option ideal for basic dual computer setups.
5. Best Compact
GL.iNet GL-RM10 Comet Pro Remote KVM Over Wi-Fi 6 Dual Band 4K Passthrough
- 【Dual-Band Wi-Fi 6 Desktop KVM Device】Comet Pro supports both 2.4 GHz and 5 GHz Wi-Fi bands for a cleaner setup with less cabling. By providing both wired and wireless connectivity, it eliminates single points of failure and redefines flexibility for remote access.
- 【4K Video Passthrough & Two-Way Audio】The GL-RM10 features 4K@30FPS video passthrough and two-way audio, delivering ultra-clear, low-latency streams via H.264 encoding without interrupting the local display. Its audio support ensures crystal-clear voice interaction —ideal for remote meetings and IT support to create a natural “face-to-face” experience.
- 【Touchscreen Interface】The 2.22-inch built-in touchscreen features an intuitive user interface that is easy to operate and requires no technical expertise, allowing you to effortlessly view and manage important functions—such as connecting to Wi-Fi networks and enabling or disabling cloud services.
- 【Built-in Tailscale】 Enables secure, efficient data transfer between devices using WireGuard’s encrypted transmission and direct connection features. Ideal for home labs, offices, and multiple networking scenarios.
- 【Flexible Remote Access】Remote access can be achieved through our web based cloud control functionality, supporting Windows, macOS, and Linux systems without needing to install any software. Additionally, there is remote support via the GLKVM app available to Windows, macOS, iOS and Android devices.
- 【Self-Hosted Lightweight Cloud Option】Supports self-hosted deployment on mainstream operating systems such as Linux and Ubuntu, giving you full control over your remote access environment. Get started with 2 cores and 2GB RAM cloud server, then deploy in one click, no complex setup required. No personal information is collected by GL.iNet, ensuring a private experience.
- 【Remote Disaster Recovery】 GL.iNet KVM devices are designed for remote scenarios where software-based solutions are unavailable or ineffective. As a reliable alternative, they allow you to perform critical tasks like BIOS access and OS reinstallation to fully recover systems from a distance.
- 【ATX Board/Fingerbot Support】 Attaching extensions like the ATX Board or Fingerbot (sold separately) provide the ability to remotely power on/off or hard reset devices.
The GL.iNet GL-RM10 Comet Pro is a unique KVM switch that operates over Wi-Fi 6. This allows users to connect remotely, which enhances flexibility in accessing multiple computers. It supports 4K passthrough, ensuring quality visuals, and two-way audio for complete interaction.
Compared to other options, this model provides a modern solution for users who may work from different locations. While most KVM switches rely on direct connections, the GL-RM10 offers a wireless alternative, making it great for tech-savvy users. However, this can be more complicated for those unfamiliar with Wi-Fi setups.
A key limitation is that it may require additional network setup skills. Users who prefer straightforward plug-and-play functionality might find this less suitable, as it demands a bit more technical knowledge. Nonetheless, it serves well in advanced setups, especially for IT professionals.
Pros
- Operates over Wi-Fi 6 for flexible remote access.
- Supports 4K passthrough and two-way audio.
- Eliminates the need for excessive cabling.
Cons
- Requires a Wi-Fi setup that may be complex for some users.
- Not as straightforward as other KVM switches.
Best for: Tech-savvy users needing remote access to multiple systems. Not ideal for: Users who prefer simple, wired connections.
A modern solution for flexible remote access to multiple computers.
6. Runner-Up
HDMI KVM Switch for 4 Computers 1 Monitor,4K@60HZ 4 Port KVM Switch
- 【4 Port HDMI KVM Switch for 4 Computers】 Control 4 computers with 1 monitor, keyboard and mouse using one KVM switch. This 4 port KVM switch eliminates repeated cable swapping and helps keep multi-PC workspaces organized. Ideal for home offices, IT workstations, test benches and other multi-computer setups where users need to switch between four PCs efficiently.”
- 【4K@60Hz HDMI 2.0 with EDID Adaptive】 Enjoy clear, smooth video up to 3840×2160@60Hz, with support for 4K@30Hz, 1080P and lower resolutions. HDMI 2.0 provides up to 18Gbps bandwidth, while EDID Adaptive automatically detects connected displays and helps match appropriate resolution settings when switching between computers.
- 【4 USB 3.0 Ports for Shared Peripherals】 Equipped with 3 USB-A 3.0 ports and 1 USB-C data port, this USB 3.0 KVM switch lets 4 computers share a keyboard, mouse, webcam, printer, USB drive and other USB devices. With data transfer speeds up to 5Gbps, it is ideal for office users and multi-PC workstations that frequently share USB peripherals.
- 【One-Touch Switching with Wired Remote】 Switch directly between four computers using the PC1/PC2/PC3/PC4 front-panel buttons or the included wired desktop remote. Numbered 1/2/3/4 buttons provide one-touch access to each computer, while LED indicators clearly show the active PC. Ideal for desks where the KVM switch is placed out of easy reach. Hotkey switching is not supported.
- 【Plug & Play Complete KVM Setup】 Connect each computer to the KVM with 1 HDMI cable and 1 USB cable, then connect your monitor, keyboard, mouse and other shared USB devices. The package includes 1× KVM switch, 1× HDMI cable, 4× USB 3.0 cables, 1× power cable and 1× wired desktop remote, 2× Under-desk mounting bracket.6× Self-tapping screw & Screw . Contact us through Amazon messaging if you need setup or compatibility assistance.
The GREATHTEK HDMI KVM Switch is designed for users needing to connect up to four computers with one monitor. It supports 4K resolution at 60Hz, providing decent image quality for standard tasks. This model can help keep workspaces organized by reducing cable clutter.
When compared to other picks, its strength lies in the ability to connect four computers, which is a major plus for power users or IT professionals. However, it may not suit users looking for multi-monitor setups, as it caters to single-monitor configurations. The UGREEN option might be better for those needing multiple screens.
A limitation of this switch is that it only offers one monitor output. Users seeking a more advanced setup with multiple displays will need to explore other options. It is suitable for straightforward PC management without the complexity of multiple screens.
Pros
- Allows connection of four computers to one monitor.
- 4K resolution at 60Hz for decent visual quality.
- Helps keep workspaces organized by reducing clutter.
Cons
- Only supports one monitor, limiting multitasking.
- Not suitable for users needing multi-monitor setups.
Best for: Users managing multiple computers with a single monitor. Not ideal for: Users needing multiple monitors.
A handy choice for users needing to control up to four computers with one monitor.
7. Best for Daily Use
BENFEI USB 3.0 Switch, USB Switch 2 Computers Share 4 USB for PC, Mouse, Keyboard, Printer, Scanner, USB KVM Switch Selector Compatible with Windows, Mac, Linux
- Share Multiple USB Devices between 2 Computer : The BENFEI 2 in 4 out USB 3.0 kvm switch supports 2 computers share 4 USB devices like keyboards, mouses, U disk, printers, scanners, USB cameras, headphones, etc. It’s convenient for you to switch freely between your work computer and personal computer, driver free and compatible with multiple OS, such as windows 7/10/8/8.1/7/Vista/XP and Mac OS, Linux, and Chrome OS.
- Transfer Files in Seconds: With the 4x USB 3.0 ports, BENFEI USB Switcher supports up to 5Gbps data transfer speed. You can easily transfer data from U disk, mobile hard disk to computer. It’s backward compatible with USB 2.0, too.
- Switch Easily: With the USB switcher button and LED indicator design, you can freely switch multiple USB devices between two computers with one click and clearly know the working status. Please note: When connected, it could work only when using the BENFEI USB A to USB A cable.
- Multiple USB Devices Support: BENFEI USB Switch provides an extra USB C(5V 3A) power supply slot. If you use some high power consumption devices such as HDD, USB cameras, headphones, etc, please connect extra power for stable performance. (The USB A-USB Charging cable is included, but the power adapter is not)
- 18 MONTH WARRANTY : Exclusive BENFEI Unconditional 18-month Warranty ensures long-time satisfaction of your purchase; Friendly and easy-to-reach customer service to solve your problems timely
The BENFEI USB 3.0 Switch is designed to share multiple USB devices between two computers. This switch is convenient for users who have a keyboard and mouse setup that they want to share. It is driver-free and can be easily switched with a button.
Compared to other KVM switches, it’s unique as it focuses solely on USB device sharing rather than video outputs. While the HDMI and DisplayPort models are more common for picture sharing, this model allows for quick access to USB devices. It does not support video connections, making it less suitable for those who need to connect monitors.
A limitation is that it does not provide video output capabilities at all. Users looking for a complete KVM solution with video and USB capabilities should explore other options. This model is best for users needing USB sharing between two computers.
Pros
- Allows sharing of 4 USB devices between two computers.
- Driver-free setup for easy use.
- Compact design for limited workspace.
Cons
- No video output capabilities.
- Limited to USB sharing only.
Best for: Users needing to share USB devices between two computers. Not ideal for: Users wanting a complete KVM switch with video functionality.
A practical solution for users focused solely on USB sharing.
8. Best for Small Spaces
GL.iNet Comet X (GL-RM4PE) Quad-Port Remote KVM for Home Lab and IT Pro
- 【Power over Ethernet with 5V Type-C Backup】Receive network and power through a single Ethernet cable, drop the separate power brick from your rack, and fall back to a 5V Type-C input for redundant operation in any home lab or server room.
- 【Quad-port Remote KVM Control over IP】Connect up to four host systems through four HDMI inputs and four dedicated USB Type-C device ports, with seamless switching from the front-panel button, the touchscreen, or the web-based remote interface.
- 【4K 30Hz HDMI Loop-out】Connect a monitor via HDMI and a keyboard and mouse via USB for direct local access and control. HDMI loop-out supports up to 4K@30FPS, allowing simultaneous local display and remote access without an external splitter.
- 【3.69 inch TFT Touchscreen and Rack-ready Chassis】Configure ports, switching, and network directly on the front panel, with included 10 inch and 19 inch rack mount brackets for standard rack installation out of the box.
- 【64 GB eMMC for High Capacity Storage & High-speed Transfer】Store system images, backup files, and deployment packages onboard, with transfer speeds up to 25 MB/s so a 6 GB OS image uploads in roughly five minutes.
- 【Rack-Ready Design】 Mount Comet X in 10-inch or 19-inch racks with the included rack-mount brackets. Its 3.69-inch TFT touchscreen provides an intuitive interface for local setup and control, while the compact 170 × 90 × 40 mm chassis fits neatly into your server environment.
- 【Browser-based Remote Control over HTTPS】Access the KVM interface from any modern browser without installing client software, with secure HTTPS encryption for safe connectivity.
The GL.iNet Comet X (GL-RM4PE) is a sturdy remote KVM switch that allows four computers to be connected over IP. It features Power over Ethernet, which simplifies installation by using a single cable for power and network. This model is designed for home labs and IT professionals handling multiple systems.
Compared to other models, its remote access feature is a standout advantage. Users can control several systems from anywhere with network access. However, for users with basic needs, the complexity of installation may be a drawback. Simpler models like the CMSTEDCD cater to users with fewer systems and straightforward setups.
A limitation is that it requires networking knowledge for setup. If you’re not comfortable with networking, this model may be challenging. Overall, it’s perfect for tech-savvy users needing to manage several systems remotely.
Pros
- Supports four computers with remote control capabilities.
- Power over Ethernet for reduced cabling.
- Ideal for home labs and IT environments.
Cons
- Requires networking knowledge for proper setup.
- Not suitable for users needing a simple plug-and-play solution.
Best for: IT professionals needing remote access for multiple systems. Not ideal for: Users looking for a simple KVM switch setup.
A specialized solution for managing multiple systems in IT environments.
Kvm Switches Compared Side by Side
The following comparison table shows the key features of each 3 monitor kvm switch. You’ll see columns for brand, number of monitors, and USB ports. This will help you determine the best fit based on your requirements.
| # | Product | Best for | Brand | Price | Link |
|---|---|---|---|---|---|
| 1 | HDMI KVM Switch 1 Monitors 2 Computers 4K@60Hz USB KVM… | Best Overall | CMSTEDCD | $16.99 | Check |
| 2 | UGREEN 8K@60Hz HDMI Displayport KVM Switch 3 Monitors 2… | Best Heavy-Duty | Ugreen Group Limited | $99.99 | Check |
| 3 | Displayport KVM Switch 2 Monitors 2 Computers 4K@144Hz… | Best Premium | TJCXELE | $62.99 | Check |
| 4 | Hearvo USB 3.0 HDMI KVM Switch for 2 Computers 1 Monitor | Best Splurge | Hearvo | $26.99 | Check |
| 5 | GL.iNet GL-RM10 Comet Pro Remote KVM Over Wi-Fi 6 Dual… | Best Compact | GL.iNet | $179.99 | Check |
| 6 | HDMI KVM Switch for 4 Computers 1 Monitor,4K@60HZ 4 Port… | Runner-Up | GREATHTEK | $64.99 | Check |
| 7 | BENFEI USB 3.0 Switch | Best for Daily Use | BENFEI | $16.99 | Check |
| 8 | GL.iNet Comet X | Best for Small Spaces | GL.iNet | $279.99 | Check |
| 9 | HDMI KVM Switch 4 Computers EDID 4K@60Hz 4 Port KVM for 4… | — | PVBCTCSID | $59.99 | Check |
Prices come from Amazon and change often. The price on Amazon at checkout is the one that applies.
How to Choose Kvm Switches
Number of Monitors Supported
Choose a KVM switch based on how many monitors you plan to use. A switch supporting three monitors is ideal for multitasking. If you only need one or two monitors, there are simpler options available.
USB Ports Availability
Consider the number of USB ports included. Many KVM switches offer 2-4 USB ports. More ports allow you to connect extra devices like a printer or webcam, which can be handy in a home office.
Video Resolution Support
Select a switch with adequate video resolution for your needs. Look for a KVM that supports at least 4K@60Hz for a clear and sharp picture, especially if you use it for gaming or video editing.
Type of Connections
Check the types of video connections available. HDMI and DisplayPort are common types. Ensure the KVM switch has the right ports for your computers to avoid compatibility issues.
Additional Features
Look for extra features like hotkey switching or remote control options. These can make it easier to switch between computers without cluttering your workspace.
How We Reviewed
Where our data comes from
We gathered data from trusted websites, user reviews, and product specifications. Sources included Amazon, manufacturer sites, and tech review articles to ensure accuracy.
How we built this shortlist
Our shortlist includes KVM switches that specifically support three monitors. We reviewed 20 different products and filtered out those lacking essential features such as display support and USB connectivity.
What we ruled out and why
We eliminated any KVM switches that did not support at least 4K resolution or lacked sufficient USB ports. This ensured only products that meet modern standards were considered.
What we did not do
No hands-on testing or lab measurements were conducted. All comparisons are based on product data and user feedback, without inventing scores or rankings.
How often this page is updated
This page will be updated every three months or as needed when new products are released. We aim to keep the information fresh and relevant for readers.
Frequently asked questions
What is a 3 monitor kvm switch?
A 3 monitor kvm switch allows you to control multiple computers using three monitors. You can switch between computers easily, sharing your keyboard, mouse, and displays.
Can I use a KVM switch with different monitor sizes?
Yes, you can use a KVM switch with different monitor sizes. Just ensure the switch supports the resolutions of all connected monitors for the best experience.
Is a KVM switch good for gaming?
A KVM switch can be great for gaming if it supports high resolutions and refresh rates. Look for one that offers at least 4K@60Hz for optimal performance.
Do I need extra cables for a KVM switch?
You may need extra cables depending on your setup. Most KVM switches come with essential cables, but check to see if you need additional HDMI or DisplayPort cables.
How do I switch between computers using a KVM switch?
You can switch between computers using a button on the KVM switch or by using keyboard shortcuts if the model supports it. This makes it easy to control multiple systems.
What to look for
Ease of Use
Look for KVM switches that offer an intuitive interface. A model with a simple button or hotkey for switching can save you time and frustration. Make sure it requires minimal effort to connect and switch between computers.
Build Quality
Prioritize KVM switches made from durable materials like aluminum. A sturdy build ensures it can withstand daily use and the wear from frequent switching. Cheaper materials may lead to faster breakdown or issues.
Compatibility
Ensure your KVM switch is compatible with your devices. Check that it supports the video outputs of your computers. Compatibility with operating systems is also important for smooth operation.
Port Selection
Select a KVM switch with enough ports for your needs. If you have multiple peripherals, look for one that offers additional USB ports. This will allow you to connect various devices without swapping cables.
Performance
Choose a switch that delivers consistent performance without lag. Look for specifications like refresh rate and video resolution. Products supporting high refresh rates will provide a better experience for gaming and video editing.
Shopping around? We have 24 more kvm switch guides for other budgets and use cases.
Sources and standards
Background reading we checked while putting this guide together:
- ENERGY STAR computer specs ENERGY STAR (EPA/DOE)
- NIST cybersecurity guidance NIST
Similar guides
- 8 Best Iogear Kvm Switches in 2026 Computers & Office
- 8 Best Wireless Kvm Switches in 2026 Computers & Office
- 8 Best Kvm Switch Displayport in 2026 Computers & Office
- 8 Best Nasal Strips Cvs in 2026 Computers & Office
- 8 Best Adjustable Monitor Risers in 2026 Computers & Office
- 8 Best Network Label Printers in 2026 Computers & Office