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Wondering what a KVM switch is and why you might need one? Check out this article, as it provides all the essential details you need to know about this device.
Overview
To start with, KVM switch stands for Keyboard, Video (Monitor), and Mouse switch. It is a box-like hardware device that allows users to control several computers using a single keyboard, monitor, and mouse.
Moreover, as its name suggests, the device enables users to easily transition between multiple computers. Basically, the computers are connected to the switch, and then the switch is connected to a keyboard, monitor, and mouse.
Hence, you won’t need additional input devices or displays for each computer. Thereby improving productivity and saving space and money.
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- 【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.
Since the early 1990s, KVM switches have been around. However, they were primarily used to manage multiple servers with a single console in data centers and server rooms.
Besides, early KVM switches were very big and pricey. Therefore, they required special cabling and adapters to connect to various computers.
Nonetheless, electronic KVM switches were developed later on, which are more compact and less complex. Thereby providing improved functionality, better performance, and reduced cost.
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You can also use the device in home offices, allowing users to share a single keyboard, monitor, and mouse between multiple computers.
Attributes of KVM Switches
Having discussed what this device entails in the previous section, this section will list and explain some of its major features.
It Has Several Types
Today, there are various types of KVM switches. These include desktop KVM switches, rack-mounted KVM switches, and IP KVM switches.
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- 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
Desktop KVM switches are compact and developed for use with a small number of computers, mostly two to four computers. Meanwhile, rack-mounted switches are created to fit into standard server racks.
Also, they can manage up to hundreds of computers. Lastly, IP KVM switches provide remote management capabilities.
Hence, it enables users to manage several computers from remote locations over the Internet.
It Provides Several Switching Methods
A KVM switch offers several methods to switch between computers. You can either press a button on this multi-computer switch or use a hotkey (keyboard shortcut).
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1Scan for outdated or missing drivers - takes under a minute2Clear out junk files and repair common Windows errors3Fix the driver behind crashes, sound loss and screen glitchesThat’s not all; you can also switch between multiple computers by clicking on the mouse wheel or using an on-screen display program. Regardless of which method you choose, the idea is that you can easily and quickly switch between different computers.
However, using a hotkey should be better for most people.
It Comes With a USB Hub
Most KVM switches feature a built-in USB hub. This hub allows users to connect several USB devices, like printers, scanners, and cameras, to this multi-computer switch and access them from any connected computer.
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- 【USB 3.0 KVM Switch with 2 Switching Methods】This KVM Switch 2 Port HDMI can control 2 PCs to share 1 monitor with 1 set of USB 3.0 keyboard and mouse. You can quickly switch between 2 computers, and the KVM switch supports 2 switching methods: wired remote and button switching. Please Note: This product does not support hotkey switching.
- 【KVM Switch HDMI with 3 USB 3.0 Ports】This HDMI KVM Switch comes with 3 USB 3.0 ports for sharing USB devices, such as keybaord, mouse, scanners, printers, U disks and more other USB devices, automatically recognize and match various display devices. This KVM Switches also supports a variety of input devices, such as PC, Laptop, PS4, etc. Compatible with a variety of computer systems like Windows 7/8/10/Vista/xp, Linux, Mac, and so on.
- 【Support Ultra HD 4K Resolution】This KVM Switch 1 monitor 2 computer can support the resolution up to 3840*2160@60Hz, and can also be backward compatible with 3840*2160@30Hz, 1920*1080P@60Hz etc., which will bring you ultra-high-definition visual senses. The 4K KVM Switch can support a maximum refresh rate of 60Hz, please pay attention to the setting of this parameter when you use it.
- 【Adaptive EDID & Plug and Play】This USB 3.0 HDMI KVM Switch can adaptive to EDID, which makes image transmission more stable and more smoothly. Support HDMI 2.0, HDCP2.2 standards. This KVM Switch 2 computers 1 monitor can be easily to install, just plug it in, no power and driver software required. When using this product, please connect all the cables.
- 【After-sales Service】This KVM Switch 2 Port is equipped with USB 3.0 cables(1.2m)*2 , 3.5mm remote control cable (1m)*1, wired remote*1. You need to prepare the 3 HDMI cables required to connect 2 computers and 1 monitor. Our products provide lifetime warranty service. If you have any questions or concerns about our products, please contact us directly through the order number. We will provide you with a solution.
Moreover, a built-in USB hub eliminates the need for a separate USB hub. Thereby saving space and reducing clutter.
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Besides, some switches have dedicated USB ports for each connected computer, guaranteeing that USB devices are always accessible.
It Can Switch Audio Sources
The KVM switch enables users to switch audio sources along with video and keyboard/mouse control. This feature is helpful for multimedia production or gaming applications where audio is essential.
Basically, the device can route audio signals from one computer to another. Thereby allowing users to switch between multiple audio sources easily.
Benefits of KVM Switches
It Saves Space and Reduces Cable Clutter
Typically, if you want to control multiple computers, you must buy a set of keyboards, mice, and monitors for each computer.
Doing that will take up a lot of space on your desk or workspace. However, with this switch, you can control several computers with just one set of peripherals (keyboard, video display, and mouse).
Therefore, you won’t need multiple sets of input devices and wires cluttering your desk or workspace.
This makes the KVM switch an excellent solution for people who work with multiple computers but have limited desk space.
It is Cost-effective
Rather than purchasing multiple sets of input devices for each computer, you can simply buy one KVM switch.
Apparently, a KVM switch should be much cheaper than buying separate input devices for each computer. Particularly for companies or organizations that need to handle several computers, this might result in significant cost savings.
It Improves Productivity
A KVM switch helps improve productivity by letting users quickly switch between multiple computers.
This means that you can work on multiple tasks simultaneously without needing to physically switch between computers. This can be especially useful for tasks such as data entry, where users must access several applications or databases.
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- 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)
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It is Easy to Use
Most KVM switches are normally easy to use and require minimal setup.
They offer plug-and-play functionality. This means you can simply connect your computers and peripherals to the multi-computer switch, and you’re good to go.
Hence, even if you’re not tech-savvy or have little experience with computer hardware, you should be able to use this device.
It Improves Ergonomics
By allowing users to switch between several computers without needing to move around physically, a KVM switch improves ergonomics.
This can help reduce physical strain, which is particularly important for individuals who work on a computer for long hours.
Drawbacks of KVM Switches
It Reduces Video Quality
A major disadvantage of using a KVM switch is that it can reduce the video quality of your display.
This is because the video signal is being transmitted via the multi-computer switch, leading to some degradation in the image quality. While this may not be noticeable for some users, it might be problematic for those requiring high-quality graphics.
Delay in Switching
Some KVM switches may delay switching between computers, which can frustrate users.
This delay can be caused by the multi-computer switch itself. It can also be caused by the time it takes for the connected computers to recognize the input devices.
While the delay may only be for a few seconds, it can be a problem for those who frequently switch between computers.
Single Point of Failure
Using a KVM switch means relying on a single device to control several computers.
This can be a problem if the multi-computer switch fails or malfunctions, meaning it can prevent you from accessing your computers. Besides, if this multi-computer switch is hacked or compromised, it can allow unauthorized access to all the connected computers.
Frequently Asked Questions
The main purpose of this device is to allow you to control multiple computers using a single set of peripherals (keyboard, monitor, and mouse).
The number of computers a KVM switch can control depends on the model/type of the KVM switch you use. Some switches can control two computers.
Meanwhile, some switches can control up to 64 computers or more.
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- 【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.
A docking station is a hardware device that enables you to connect additional peripherals to your computer. On the other hand, a KVM switch allows you to control multiple computers using a single set of peripherals, such as a keyboard, monitor, and mouse.
While both hardware devices serve a similar purpose, they are designed for different uses.
The full form of KVM is Keyboard, Video, and Mouse.
Yes, you can use a wireless keyboard and mouse with a KVM switch. However, you need to use a wireless device compatible with the switch.
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Conclusion
A KVM switch is a handy device that offers a wide range of benefits for people and companies that need to manage multiple computers. Its ability to control several computers using a single set of peripherals increase productivity and saves time.
Moreover, this device is available in various sizes and configurations to meet different use cases. It can be used with desktop computers and servers.
Also, most KVM switches support a variety of ports, including VGA, HDMI, DisplayPort, and USB. However, while this device offers many benefits, it also has a few drawbacks.
Some of these drawbacks include a reduction in video quality. Nevertheless, the device is a valuable tool for anyone who needs to manage multiple computers.
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