Single Port USB 2.0 to RS-422 / RS-485 DB-9 Serial Adapter - Coolgear
USB-RS422-PCBA FTDI | Mouser
Amazon.com: DTech USB to RS485 Adapter RS422 Cable Serial Port with CP2102 Chip Terminal Board LED Lights Ferrite Core for Windows 11 10 8 7 XP Mac (1.5 Feet) : Electronics
Tripp Lite USB to RS485/RS422 FTDI Serial Adapter Cable with COM Retention ( USB-A to DB9 M/M), 30 in. - USB / serial - U209-30N-IND - USB Adapters - CDW.com
Dual port USB to RS485 / RS422 converter
USB to RS422/RS485 adapters w/Optical Isolation (FULL SPEED) — Connective Peripherals - US Store