Cisco Camera Cable Connects Cisco SX20 to PrecisionHD 4x Camera CAB-HDMI-PHD4X | eBay
StarTech.com USB C Multiport Adapter - USB-C to HDMI or mDP 4K 60Hz/PD/4x 10Gbps USB Hub - Mini Dock - DKT31CMDPHPD - Docking Stations & Port Replicators - CDW.com
Amazon.com: StarTech.com USB 3.0 to 4x HDMI Adapter - External Video & Graphics Card - USB Type-A to Quad HDMI Display Adapter Dongle - 1080p 60Hz - Multi Monitor USB A to
Video Wall Controller 2 X 2 Video Wall Processor Support Dvi Or Hdmi Input To 4x Hdmi Out With Audio&rs232 Control - Monitor Splicing Processor - AliExpress
4x4 HDMI HDBaseT Matrix Switch with Auxiliary Audio
Amazon.com: StarTech.com USB 3.0 to 4x HDMI Adapter - External Video & Graphics Card - USB Type-A to Quad HDMI Display Adapter Dongle - 1080p 60Hz - Multi Monitor USB A to
Presentation Switcher, 4x Video Inputs to HDMI 4K/60 Display | Eaton
GigaIPC QBiX Pro AMD V1605B Embedded Fanless Mini PC, 4x HDMI, 4x COM – MITXPC
Amazon.com: USB 3.0 KVM Switch HDMI 4 Computer 1 Monitor 4K 60Hz SPDIF L/R Hotkey - Share one Set of Keyboard Mouse Printer,1080p 120Hz 144Hz HDCP Bypass,4X USB3.0 Cable,IR Remote Ext. Windows
Amazon.com: StarTech.com USB 3.0 to 4x HDMI Adapter - External Video & Graphics Card - USB Type-A to Quad HDMI Display Adapter Dongle - 1080p 60Hz - Multi Monitor USB A to