KVM Switches

What is a KVM Switch?


A KVM (keyboard, video and mouse) switch or sometimes referred to as a server switch or CPU switch is a hardware device that enables a user or multiple user’s reliable access to control a number of computers using a single keyboard, monitor (video display) and mouse.


How does a KVM Switch work?


A KVM switch pushes multiple video and peripheral signals and produces a single output to a single keyboard, video or mouse, allowing for quick access to several computers and data sources.


Some KVM switches allow users to alternate audio and USB devices between computers and many are designed for connections of up to thousands of users and servers controlled from a single console.


When are KVM Switches used?


Control multiple computers: KVM switches are commonly used in environments when you need to control multiple computers like in a data centre. With a single switch, the administrator can alternate access from one computer to another.


Multi-user computer control: by using a KVM Matrix switch, multiple users can control one to many shared computers, enabling cross-functional access to data.


Control of Multiple Operating Systems: KVM switches enable users to switch across multiple operating systems such as Microsoft Windows, Mac, Linux


What are the different types of KVM Switches?


DisplayPort KVM switch: are becoming increasingly popular as video display manufacturers are moving away from DVI-I and VGA. DisplayPort KVM switches are beneficial for peripheral sharing. This setup allows users to share many USB peripherals across all computers.


DVI KVM switch: used with DVI compatible monitor(s). These are intended to deliver reliable digital video capabilities, providing a better solutions by overcoming resolution limitation of VGA formats. The switches can work with either single or dual link DVI-D or DVI-I and can also offer reverse compatibility. This can be useful for those users who need to work with high-performance workstations.


HDMI KVM switch: this is an ideal switch for those looking for HDMI signal switching that does not affect video quality. The HDMI KVM switches are known for quick switching without interruptions. They are commonly used in broadcasting, medical imaging, home and commercial theatres and digital signage.


USB KVM Switch – A common type of switch that uses USB cables for keyboard video & mouse connections, some models will also work with PS/2 connectivity and allows for audio sharing and wireless connectivity.


KVM-over-IP switch: these types of switches give user’s access or monitor multiple PCs and servers in a dedicated network, LAN or even over a WAN from anywhere with IP remote access. KVM/IP Switch are mostly found in medium or large data centres who need multiple users to monitor several computers or servers.

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Täpsem kirjeldus Brand Number Of Ports Number of Video Outputs Number of Displays Supported Video Connection Type Keyboard/Mouse Connection Type Dimensions Audio Connection Type Maximum Resolution Depth Height Width
1U 17" HD 1080p Rackmount LCD Console wi Startech 1 2 1 - PS/2, USB 47 x 43.5 x 4.4cm - 1920 x 1080 435mm 44mm 470mm
1U 17" Rackmount LCD Console with 8 Port Startech 8 1 1 VGA PS/2, USB 47 x 44 x 4.4cm - 1280 x 1024 440mm 44mm 470mm
1U Single-Port KVM Console for Server Ra Startech 1 1 1 VGA USB 53.3 x 48.3 x 4.3cm - 1280 x 1024 483mm 43mm 533mm
2-Port DisplayPort KVM Switch - 4K 60Hz Startech - - - - - - - - - - -
4 Port HDMI KVM Switch - 4K 30Hz - Dual Startech - - - - - - - - - - -
8-Port Rackmount KVM Console for Server Startech 8 1 1 VGA PS/2, USB 64.3 x 48.3 x 4.3cm - 1280 x 1024 483mm 43mm 643mm
Startech 4 Port USB HDMI KVM Switch - 3.5 mm Stereo Startech 4 1 1 HDMI USB 220 x 130 x 43mm 3.5 mm Stereo 1920 x 1080 130mm 43mm 220mm
Startech 2 Port Dual Monitor USB DisplayPort KVM Switch - 3.5 mm Stereo Startech 2 2 2 DisplayPort USB 161 x 100 x 57.5mm 3.5 mm Stereo 3840 x 2160 100mm 57.5mm 161mm
Startech 2 Port USB DisplayPort KVM Switch - 3.5 mm Stereo Startech 2 1 1 DisplayPort USB 220 x 130 x 44mm 3.5 mm Stereo 3840 x 2400 130mm 44mm 220mm
Startech 2 Port USB Mini DisplayPort KVM Switch - HDMI Startech 2 1 1 Mini DisplayPort USB 177 x 82 x 24mm HDMI 3840 x 2160 82mm 24mm 177mm
Startech 4 Port Dual Monitor USB DVI KVM Switch - 3.5 mm Stereo Startech 4 4 2 DVI USB 438 x 200 x 44mm 3.5 mm Stereo 1920 x 1200 200mm 44mm 438mm
Startech 4 Port USB DisplayPort KVM Switch - 3.5 mm Stereo Startech 4 1 1 DisplayPort USB 220 x 130 x 43mm 3.5 mm Stereo 3840 x 2160 130mm 43mm 220mm
Startech 4 Port Dual Monitor USB DisplayPort KVM Switch - 3.5 mm Stereo Startech 4 2 2 DisplayPort USB 127 x 215.9 x 63.5mm 3.5 mm Stereo 3840 x 2160 215.9mm 63.5mm 127mm
Startech 4 Port USB DisplayPort KVM Switch - 3.5 mm Stereo Startech 4 1 1 DisplayPort USB 220 x 131 x 45mm 3.5 mm Stereo 3840 x 2160 131mm 45mm 220mm
Aten 2 Port USB VGA KVM Switch Aten 2 - - VGA USB 70.1 x 8..24 x 2.46mm - 2048 x 1536 82.4mm 24.6mm 70.1mm
Startech 2 Port USB VGA KVM Switch - Startech 2 - 1 VGA USB 88 x 66 x 23mm No Audio 2048 x 1536 66mm 23mm 88mm
Aten 2 Port USB VGA KVM Switch - 3.5 mm Stereo Aten 2 - - VGA USB 87.5 x 60.8 x 28mm 3.5 mm Stereo 2048 x 1536 60.8mm 28mm 87.5mm
Startech 4 Port USB VGA KVM Switch - Startech 4 1 1 VGA USB 220 x 130 x 44mm No Audio 1920 x 1440 130mm 44mm 220mm
Startech 2 Port Dual Monitor USB DisplayPort KVM Switch - 3.5 mm Stereo Startech 2 2 2 DisplayPort USB 161 x 100 x 57.5mm 3.5 mm Stereo 2560 x 1600 100mm 57.5mm 161mm
Lantronix Port USB VGA KVM Switch Lantronix 1 - - VGA USB 132 x 58 x 31mm - 1600 x 1200 58mm 31mm 132mm
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