GREATHTEK Dual Monitor HDMI KVM Switch 2 Port, 2 USB 2.0 Hub, UHD 4K@30Hz YUV4:4:4 Downward Compatible, USB Powered, Hotkey Switch, with Cables - Newegg.com
Amazon.com: KVM Switch Dual Monitor 4 Port 4K@30Hz, HDMI KVM Switch Extended Display 4 in 2 Out, PC Screens Keyboard Mouse Switcher. Button Switch and HDCP 1.2 Supported, with 8 HDMI and
KVM Switch - 4PT Dual-Monitor DP and HDMI 4K 60Hz USB 3 Hub Audio | Black Box
StarTech.com 4 Port HDMI KVM Switch 4K 30Hz Dual Display This 4K HDMI KVM with dual monitor support lets you control four HDMI computers with a single mouse keyboard and dual monitors