StarTech.com 4 Port DVI VGA Dual Monitor KVM Switch with Audio & USB Hub - Share a keyboard and mouse as well as 1 VGA and 1 DVI displays/monitors between 4 multimedia
1.4 Display Port KVM Switch - Quad Monitor - Two Computer — Level 1 Techs
2 Port Quad Monitor DVI USB KVM Switch - KVM Switches | StarTech.com
2 Ports 8K Quad Monitor DisplayPort 1.4 KVM Switch with USB 3.2 Gen 1, Audio, Hotkey Control