Amazon.com: 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
4 Port USB KVM Switch & USB 2.0 Hub - KVM Switches | StarTech.com
Amazon.co.jp: TESmart 8X1 HDMI KVM Switch 8 Port Enterprise Grade Support 4K@60Hz Ultra HD | RS232 | LAN Port | IP Control | Auto Scan | Rackmount [Control up to 8 PCs