Amazon.com: MT-VIKI 16x16 HDMI Matrix Switch 4K@30Hz, Rack Mount Switcher & Splitter 16 in 16 Out, Backlit RS232 LAN Port and EDID (Built-in US ADI Chip) : Electronics
X9 Series Ultra-High Bandwidth Seamless Switching Video Wall Processor Support Max 4kx2K - China Modular Video Wall Processor, Signal Managerment Product | Made-in-China.com
Amazon.com: 4K HDMI Matrix 16x16, Yinker HDMI Matrix 16 in 16 Out Rack Mount HDMI Switcher & Splitter with IR Remote, 4K@30Hz EDID HDCP RS232 LAN Control : Electronics
16x16 HDMI Video Matrix Switch with RS232, IR and TCP/IP Control