StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, USB to Serial Adapter, COM Port Adapter with Prolific IC, 1 (Quantity) - Walmart.com
USB RS-232 DB9 Male Serial Adapter Converter with Prolific Chip
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Mettler Toledo RS232 to USB Converter Cable for XPR Microbalances and Ultra-Microbalances | Fisher Scientific
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Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable, with Prolific Chipset Black NS-PU99501 - Best Buy
USB C to Serial Adapter w/ COM Retention - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
Rs232-USB converter – BEL Engineering
USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com Italy
USB 2.0 To Serial DB9 Male (9 Pin) RS232 Cable Adapter - Sabrent
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SABRENT USB 2.0 to Serial (9-Pin) DB-9 RS-232 Converter Cable, Prolific Chipset, - HEXNUTS - , [Windows 10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P) - Newegg.com
USB TO SERIAL RS232 ADAPTER/CONVERTER WINDOWS 8 7 10 FTA +CD CABLE DB9 64 BIT | eBay
Amazon.com: StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, Prolific IC, USB to Serial Adapter for PLC/Printer/Scanner/Switch, USB to COM Port Adapter, Windows/Mac (1P3FP-USB-SERIAL) : Electronics
High-Speed USB-to-Serial Adapter for Windows 8 32/64-bit - U.S.Converters