C2G 1.5ft USB to DB9 Serial Cable - RS232 Adapter Cable
IOGEAR GPSU21 Print Server
IOGEAR USB PDA/SERIAL ADAPTER
StarTech.com USB 3.0 Docking Station - Compatible with Windows / macOS - Supports Dual Displays - HDMI and DVI - DVI to VGA Adapter Included - USB3SDOCKHD
Tripp Lite 2-Port USB Hi-Speed Sharing Switch for Printer/ Scanner /Other