Amazon.com: KVM Switch 4 Port, MT-VIKI HDMI KVM Switch for 4 Computers Share One HD 4K Monitor and 3 USB Devices Keyboard Mouse Printer, Including 4 KVM Cables and Wire-Desktop Controller : Electronics
Amazon.com: HDMI 4 Port Kvm Switch Box for 4 Computers Share 1 Monitor, 4K@60Hz 4X1 KVM Switch with 4 USB 2.0 Ports, HDCP 2.2, Plug and Play, Button Switch, with 1 HDMI and 4 USB Cables : Electronics
4 Ports 4K HDMI USB KVM Switch with USB 3.2 Gen 1, Audio, EDID, MKAG-E3114