4 Ports VGA KVM Switch with USB 3.0, Audio, KAAG-E3114
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
USB VGA KVM Switch 4 Port KVM Switch for 4PC Computers Sharing One Monitor 3 USB | eBay
StarTech | 4-Port USB-VGA KVM Switch | SV431DUSBU
4-Port HDMI USB KVM Switch, Audio, Video, USB Sharing | Eaton
Amazon.com: VGA KVM Switch, Yinker 4 Port USB VGA KVM Switch w/4 KVM Cables & 3 USB Hubs for 4 Computers Share One Monitor Keyboard Mouse : Electronics
TRENDnet 4 Port USB KVM Switch Kit VGA And USB Connections 2048 x 1536 Resolution Cabling Included Control Up To 4 Computers Compliant With Window Linux and Mac OS White TK 407K