SIIG 4x1 HDMI 4K HDR KVM USB 3.0 Switch with Remote Control - Allows you to control 4 HDMI 4K computers using one keyboard and mouse - HDMI 4K@60, USB 3.0 ports,
Belkin 4-Port Universal 2nd Gen Secure 2-Head KVM
StarTech.com 4-Port HDMI KVM Switch - Built-in USB 3.0 Hub for Peripheral Devices - 1080p - Control four HDMI computers using a single console, with built-in USB 3.0 hub for sharing additional
SANOXY USB 2.0 Printer Auto Sharing Switch (4-Port) SANOXY-DSV-USB-PRNT-SWT-4port - The Home Depot