I have 2 of these for sale. Both working. Both tested.
eBay
Displayport HDMI KVM Switch dual monitor 4X2 2X2 HDMI Displayport USB KVM Switch Dual Display DP HDMI USB Switch KVM Switcher
Aliexpress UK
16-Port Connectivity : Manage up to 16 computers with a single KVM switch. Used Condition : This unit is pre-owned, with possible minor signs of wear but fully functional. - Sold as seen -.
eBay
USB Extender KVM HDMI RJ45 1080P 30M HDMI KVM USB Extender over Cat6 LAN Network HDMI Extender For keyboard mouse switch TV PC
Aliexpress UK
Type: Network KVM Switch.
eBay
HDMI KVM Switch 4K 60Hz 4-port USB KVM HDMI Switch selector Box USB 2.0 and HDMI 2.0 Switch KVM HDR for mouse,keyboad,monitor
Aliexpress UK
Type: Network KVM Switch.
eBay
2X2 KVM Switch Dual Monitor 4k 60Hz HDMI 2.0 KVM Switch Extended Display HDMI DisplayPort USB 3.0 KVM Switch 2 in 2 out for PC
Aliexpress UK
Maximise your workspace and streamline your computer setup with the StarTech 8-port network switch, model SV831DUSBU. This robust AV splitter-switcher allows you to connect multiple VGA or SVGA D-Sub displays, making it ideal for monitoring and multitasking. The unit is designed to fit neatly in a 1U rack, ensuring a clutter-free and organised workstation. The switch also features a convenient OSD for easy setup and management, alongside USB KVM functionality for seamless keyboard and mouse sharing. Crafted in a sleek black finish and originating from Taiwan, this rack-mountable device from StarTech is a dependable solution for professionals seeking efficiency and control in their computing environment.
eBay
8K DisplayPort KVM Switch 2 Monitor 4 Computer,KCEVE Dual Monitor KVM Switch DP USB3.0,Support 4k@144Hz,for 4 PC Share 2 Display
Aliexpress UK
Dell P/N F622J. 1x Dell PowerEdge 180AS 8-Port Console Switch Networking KVM Switch. Only the switch is for sale. Serial numbers : All relevant serial numbers are logged in a data base; we also use warranty stickers where appropriate.
eBay
10 Port USB 3.0 KVM Switch 4K@60Hz EDID Simulation,KVM Switch For 10 Computers Share 1 Monitor and 4 USB Devices Add Audio RS232
Aliexpress UK
Item comes from a working environment, no further testing done. Nothing else is included in this listing, except what is photographed or otherwise stated. There will be no drivers, leads, original packaging, discs, software, manuals, codes, licenses included unless specifically mentioned in this listing. For any enquiries please message us first.Powers up and the light comes on as it should, no further testing done.
eBay
4K*2K KVM 2-in-1 HDMI-compatible/USB KVM Switch Support HD 2 Hosts Share 1 Monitor/Keyboard& Mouse Set Printer Video Display
Aliexpress UK
The switch is designed to be simple to instal and use, with a user-friendly manual included.
eBay
200M HDMI KVM Extender over IP RJ45 cat5e/6 1080P HDMI USB KVM Ethernet Extender one to Many by Network Switch for PC DVR Loptop
Aliexpress UK