StarTech 2-Port Hybrid USB-C HDMI Cable KVM Switch 4K 60Hz Compact KVM with 6ft/1.8m USB-A/HDMI/Audio & 4ft/1.2m USB-C Integrated Host Cables Bus Powered - Remote Push Button/Hotkey Switching 4096 x 2160 pixels 4K Ultra HD Black.
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USB 3.0 Extension cable White USB 3.0 Male to Male cable Extension USB 3.0 cable for Radiator TV Box USB KVM Switch USB 3.0 cord
Aliexpress UK
An integrated 3 port USB hub allows you to share USB peripherals between computers as though they were connected directly. A compact form factor and rear-port connections minimizes disruption to your workspace.
eBay
Navceker KVM HDMI-compatible Multiviewer 4K 4 In 1 Out 1080P Quad Screen Multi Viewer HDMI Multi-Viewer Seamless Switch with IR
Aliexpress UK
StarTech 2 Port DisplayPort KVM Switch - 4K 60Hz - Compact Dual Port UHD DP 1.2 USB Desktop KVM Switch with 4ft Cables & Audio - Bus Powered & Remote Switching - MacBook ThinkPad. StarTech 2 Port DisplayPort KVM Switch - 4K 60Hz - Compact Dual Port UHD DP 1.2 USB Desktop KVM Switch with 4ft Cables & Audio - Bus Powered & Remote Switching - MacBook ThinkPad 3840 x 2160 pixels 4K Ultra HD Black.
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USB 3.0 KVM Switch 1x2/2x1 USB Hub Bidirectional USB2.0 Switcher USB3.0 Extender Shared Controller for PC Keyboard Mouse Printer
Aliexpress UK
StarTech 2 Port DVI USB KVM Switch with Audio and USB 2.0 Hub 1920 x 1200 pixels Full HD 18 W Black. Collection Model Startech 2 Port DVI USB KVM Switch with Audio and USB 2.0 Hub. Manufacturer Product Type Startech Kvm Switch.
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UGREEN HDMI-compatible KVM Switch 4K@60Hz USB 2.0 Switcher 2 in 1 Out for Printer Monitor Mouse 2 PCs Sharing 1 Device Splitter
Aliexpress UK
StarTech 4 Port Multi Platform Digital KVM Switch (SV441HDIE)
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HDMI-compatible Switch KVM Splitter 4K 2K 3D 3 input 1 Output Mini 3 Port VIdeo Switcher Hub 1080P For DVD HDTV Xbox PS3 PS4
Aliexpress UK
Both units are untested with no wires. Price is including both units.
eBay
Mini HDMI-Compatible KVM Switch Splitter 3D 3 Port Video Hub 1080P for DVD HDTV Xbox PS3 PS4 - 3 Input 1 Output
Aliexpress UK
Manufacturer's part:SV431USB. KVM ports: 4. Connectors, host: USB B (4 pin) female, VGA (15 pin, high density D-Sub) male. Console interface(s): USB A (4 pin) female, VGA (15 pin, high density D-Sub) female.
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HDMI-compatible Switch KVM Splitter 4K 2K 3D 3 input 1 Output Mini 3 Port VIdeo Switcher Hub 1080P For DVD HDTV Xbox PS3 PS4
Aliexpress UK
4K VIDEO QUALITY: DP UHD KVM switch supports resolutions up to 4K at 60Hz on a single DisplayPort monitor for maximized viewing space. 4K VIDEO QUALITY: DP UHD KVM switch supports resolutions up to 4K at 60Hz on a single DisplayPort monitor for maximized viewing space.
eBay
4K*2K 3 Port HDTV-compatible Switch 4K 3D VIdeo Switcher KVM Splitter 3 Input 1 Output Port Hub for Xbox PS4 DVD PC Laptop TV
Aliexpress UK