USB adapter claims to quadruple M2 and M1 Mac monitor support | Ars Technica
3-port Triple Head Mini Displayport™ Splitter Multiplier Splitter Startech.com, 3 Years - Audio & Video Cables - AliExpress
Thunder3 Dock Pro - Thunderbolt 3 Docking Station with 10GbE | AKiTiO
Amazon.com: StarTech.com 2-Port Multi Monitor Adapter - DisplayPort 1.2 MST Hub - Dual 4K 30Hz or 1080p - USB Bus Powered - Video Splitter for Extended Desktop Mode on Windows PCs Only -
MB561US-4SC 4 Bay SATA to eSATA Port Multiplier and USB 2.0 Aluminum Removable External Hard Drive Enclosure with 2 Port eSATA Port Multiplier PCI Express Card
UltraAV® Mini DisplayPort 1.2 to 3 DisplayPort Multi-Display MST Hub | Accell