4K30 4x1 HDMI Multi-Viewer (QuadView4K)

SPLITTER HDMI-SP-1/2ECO - HDMI Splitters - Delta

Selore Switch HDMI Adapter 4 in 1 AV Multi-port Hub

USB-C® to Dual HDMI™ Multi-Monitor Adapter – j5create

USB-C Multi-Port Docking Station w/ 4k HDMI, GigE, USB-A, PD, SD/microSD

4K HDMI Multi-viewer 4X1 Quad Screen Viewer 4 In 1 Seamless HDMI Switcher Switch

KVM Quad HDMI Multi-Viewer, 4 Ports, 1080p @ 60Hz

j5create USB 3.0 to Dual HDMI Multi-Monitor Adapter Silver JUA365 - Best Buy

StarTech.com 3-Port USB-C Multi-Monitor Adapter, USB Type-C to 3x HDMI MST Hub, Triple 1080p 60Hz HDMI Laptop Display Extender / Splitter, Extra-Long Built-In Cable, Windows Only (MSTCDP123HD) : Electronics

Monoprice Blackbird 4k@60hz Multi Video Input Hdmi Converter, Mini Displayport, Hdmi, Vga With 3.5mm Analog Audio, And Usb Type-c Audio/video Inputs : Target

4K HDMI Multi-Channel AC3 DTS Audio To Analog Surround Sound Converter