So that you can access computers conveniently by using port selection push button located on the unit's front panel. 1 x 4 port KVM switch. KVM Switch Specifications Hot pluggable, add or remove computers without powering off the KVM switch.
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USB 2.0 KVM Switch Switcher 1920*1440 VGA SVGA Switch Splitter Box 2 Port with Two Cables for
Aliexpress UK
eBay
USB 3.0 Switch Selector KVM Switch 5Gbps 2 in 1 Out USB Switch USB 3.0 Two-Way Sharer for Printer
Aliexpress UK
USB 3.0 KVM Switch：This KVM switch is equipped with four USB 3.0 Type A female hubs. 4K@60Hz resolution：The Alxum KVM switch supports a resolution of up to 4K@60Hz, maxing out at (3840 2160)@60Hz.
eBay
2X1 KVM Switch VGA Adapter USB 2.0 Switcher Cable Switch Host Controller for Computer Projector HDTV
Aliexpress UK
2x2 DP KVM Switch 4K 120Hz 8K USB3.0 KVM Switcher 2 In 2 Out For 2 Computers 2 Monitors. Support Resolution: 8K@60Hz, 4K, 2K, 1080 and lower resolution. Through two USB 3.0 hub ports, the mouse and keyboard can be connected to the KVM.
eBay
Unnlink Hdmi KVM Switch 8K 60Hz 4K 120Hz Video Switcher with Extender 2 PC Share 1 Monitor 4 USB for
Aliexpress UK
Features: Support extended or duplicated display depending on computer setting. Support max up resolution 4K@60Hz, downward compatible Support HDCP Support controller or buttons switch USB devices that can be connected, such as: USB mouse, keyboard, U disk, printer, camera, etc. Built-in automatic equalization system, picture position, clear and stable Built-in ESD electrostatic protection circuit, all-round protection system safety Package Includes: 1xDual Monitor KVM Switch HDMI 4xUSB Cables 1xUSB Power Cord 1xWired Switching Button 1xUser Manual.
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Unnlink 2x2 HDMI DP Dual Monitor KVM Switch 4K 240Hz/ 8K 60Hz USB 3.0 HDMI DisplayPort Extend 2
Aliexpress UK
KVM Switch 2 Monitors 2 Computers, HDMI Matrix 4 in 2 Out 4K 60Hz, HDMI KVM Matrix Switch for Dual Monitor, 4 Port HDmi Switcher Splitter Support USB 3.0,HDCP2.3, Hotkey. 4K HDMI+DP USB KVM SWITCH #B34.
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2Port HDMI-Compatible USB KVM 4K Switch Splitter For Shared Monitor Keyboard And Mouse Adaptive
Aliexpress UK
Note: This dual monitor KVM switch requires your computer to have dual graphics cards (2 HDMI output ports). Note: Keyboard shortcuts (hotkeys) are not supported. Switch type. Actuator type Push Button.
eBay
Dual Display HDMI+Displayport KVM Switch 2 in 2 out 4K 60Hz 2x2 Mixed inputs HDMI DP KVM USB 3.0
Aliexpress UK
8K/60Hz USB 3.0 Three Monitor HDMI KVM Switcher, 4K120Hz HDMI KVM Switch 3 Monitors 2 Computers for 2 PC Share 3 Monitors and 1 Set of Keyboard Mouse Printer Scanner and More - 513. 【Wide Compatibility & Play and Play】This 3 monitor HDMI KVM switcher provides the functionality and performance needed to enhance your workspace and productivity.
eBay
Unnlink 8K 60Hz 2x2 Dual Monitor KVM Switch 4K 120Hz HDMI DP KVM Video Switcher 2K 165Hz Share USB
Aliexpress UK