Amazon.com: 2 Port Dual Monitor KVM Switch HDMI 4K@30Hz, 2 USB 2.0 Hub, Supported Wireless Keyboard & Mouse and Hotkey Switch, No Power Adapter with 4 HDMI Cables : Electronics
Amazon.com: AAO 4x1 HDMI KVM Switch 4 Port Ultra HD 4K@30Hz, USB 2.0, HDCP 1.2, No Power Adapter Required, Support Wireless Input Device and Hotkey Switch, with 4 HDMI and USB Cables : Electronics
HDMI KVM Switch 4 In 1 Out 4 Port KVM 4K Converter 4 Computers Share One Display - Walmart.com
4K KVM Switch over IP-Partilink Inc.
CE820-AT-G USB HDMI HDBaseT™ 2.0 KVM Extender (4K@100 m) – VIRIYA COMPUTAMA