StarTech.com USB to Serial Adapter - Detachable 6 ft USB A-B Cable - Prolific PL-2303 - USB to RS232 Adapter Cable - Add an RS232 serial port to your laptop or desktop
USB 2.0 RS-232 Serial Adapter 16 Inches w/ LED Indicators
StarTech.com USB to RS232 DB9 Serial Adapter Cable - M/M | Camcor
Mini USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV ESD Protection & 3ft. USB Extension Cable
Tripp Lite 5ft USB to Serial Adapter Cable USB-A to DB9 RS-232 M/M 5' - serial adapter - USB - RS-232 - U209-000-R - USB Adapters - CDW.com
Amazon.com: CableCreation USB to RS232 Serial Adapter (FTDI Chip), 6.6 Feet USB to DB9 Female Converter Cable for Windows 10, 8.1, 8, 7, Vista, XP, Linux and Mac OS X, macOS, 2 Meters/Black : Electronics
3ft USB to Serial Adapter Cable, DB9
USB to RS232 Converter - 6ft - CAB-11304 - SparkFun Electronics
1 Port USB 2.0 to Serial Adapter Cable - Serial Cards & Adapters | StarTech.com
StarTech.com USB to Serial Adapter - 3 ft / 1m - with DB9 to DB25 Pin Adapter - Prolific PL-2303 - USB to RS232 Adapter Cable - Add an RS232 serial port
StarTech.com USB to RS232 DB9 M M Serial Adapter Cable, 3ft (ICUSB232SM3)
USB 4-Port Serial Adapter - USB 2.0 to DB-9 Port RS232 with FTDI CHIP - Coolgear
USB Serial Adapter – Windows 10 Compatible High-Speed RS232 adapter
USB to Serial RS-232 DB9 FTDI Mini Adapter with Extension Cable