Amazon.com: CKL Triple Monitor HDMI KVM Switch 2 Port with Audio and USB 2.0 HUB, PC Monitor Keyboard Mouse Switcher Box Mirrored or Extended Display 4K@30Hz for Computers and Laptops CKL-923HUA :
2 Port Triple Monitor USB 3.0 HDMI KVM Switch with Audio Output, All Input Cables, 4K@60Hz Triple Monitor HDMI KVM Switch for 2 Computers Sharing 3 Monitors Supports Emulation EDID, with 2
2-Port 8K 60Hz 3-Monitor DisplayPort KVM-Switch with USB 3.0, incl. 1.5m PC-Cable, AV Access iDock-D23 - KVM-Switch Versand
2-Pt Triple Video DisplayPort KVM Switch - KVM Switches | Server Management | StarTech.com Europe