954 - Adafruit - USB to TTL Serial Cable, 36", For Microcontroller/Raspberry Pi/WiFi Router
StarTech.com USB to Serial Adapter ? Prolific PL-2303 ? 3 ft / 1m ? DB9 (9-pin) ? USB to RS232 Adapter Cable ? USB Serial - Add an RS232 serial port to
USB to RS232 (serial) AIC Programming Cable
USB to Serial RS-232 DB9 FTDI Mini Adapter with Extension Cable
C2G 1.5ft USB to Serial Cable - USB to DB9 Serial RS232 Cable - M/M - 26886 - USB Adapters - CDWG.com
3ft USB to Serial Cable/RS232 Adapter - Serial Cards & Adapters | StarTech.com
USB/Serial Converter [FT232RL] : ID 18 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits
CableCreation USB to Serial 10ft Long Cable , USB to RS232 Adapter, USB to DB9, RS232 Converter 9-Pin FTDI Chipset for Windows , Mac OS and Linux - Walmart.com
Amazon.com: Plugable USB to Serial Adapter Compatible with Windows, Mac, Linux (RS-232DB9 DTE Male Connector, Prolific PL2303HX Rev. D Chipset) : Electronics
USB 2.0 To Serial DB9 Male (9 Pin) RS232 Cable Adapter - Sabrent
Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable, with Prolific Chipset Black NS-PU99501 - Best Buy
Amazon.com: Legrand - C2G USB to DB9 Serial Adapter Cable, Adapter Cable, USB to Desktop Adapter, 1.5 Foot Adapter Cord, Gray, 1 Count, C2G 26886 : Electronics
USB 2.0 To Serial DB9 Male (9 Pin) RS232 Cable Adapter - Sabrent