SPLITMUX-VWC-4HDLC - 1-to-4(2X2) 1080p HDMI/VGA Video Wall, Cascade-able to 3X3
2x1 HDMI + VGA to HDMI Converter Switch - Video Switchers | StarTech.com
Tripp Lite Secure KVM Switch, 4-Port, Dual Head, DVI to DVI, NIAP PP4.0, Audio, CAC, TAA4 Computer1 Local User2560 x 1600... B002-DV2AC4-N4 - Corporate Armor
Amazon.com: VGA KVM Switch 2 Port 1080P, VGA Video Share for 2 PC Sharing 1 Monitor and 3 USB Devices, with Extension Control Switch and 2 USB Cable : Electronics
Dual monitor KVM switch 2 in 2 out HDMI VGA 4K HDCP TESmart