Avenview 4x1 HDMI Switcher with IR and RS232 Control SW-HDM-4X1
Amazon.com: TESmart 8x8 HDMI Matrix 4K Matrix Switcher Support EDID, 4K@30HZ, 1080P 3D, HDCP, 8 in 8 Out HDMI Switch with IR Remote Control, RS232, TCP/IP Control, Rack-Mount HDMI Matrix : Electronics
Amazon.com: KVM Switch with Serial Port Control, 4K@60Hz 4 in 1 Out HDMI KVM Switcher Box for Share Mouse Keyboard and Monitor, Can Work with Pi-kvm, Compatible with Windows/Linux/Mac System : Electronics
4x1 HDMI Switch with IR & RS-232 Control
Amazon.com: 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
Amazon.com: 4K 60Hz HDMI Switch 8 Port with【5ft HDMI Cable】, Yinker 4K HDMI Switch 8 in 1 Out with IR Remote + Rack Mount Ears + RS232, Supports HDCP2.2 Auto Scan : Electronics