StarTech 4-Port USB to Serial Adapter Hub with COM ICUSB2324X
Q Core Medical Sapphire USB to 4-Port RS232 Adapter | Bound Tree
4-Port USB-A to Serial DB9 Adapter, Keyspan | Eaton
Amazon.com: StarTech.com 4 Port USB to Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB to DB9 RS232 Hub (ICUSB2324I) : Electronics
USB 4-Port Serial Adapter - USB 2.0 to DB-9 Port RS232 with FTDI CHIP - Coolgear
StarTech.com ICUSB2324 USB to Serial Adapter Hub - 4 Port - Bus Powered - DB9 (9-pin) - USB Serial - FTDI USB to Serial Adapter USB Converters - Newegg.com
FTDI Serial USB RS232 Adapter 4 port Din Rail Industrial - Shentek
Large Selection of USB-RS232 adapters, Easy Installation and Setup of USB RS232 COM ports.
USB to 4-Port RS-232 DB9 Serial Interface Adapter - Sealevel
4 Port USB To Serial Adapter with RX/TX Indicators
4-Port USB to RS-232 DB9 Serial Adapter w/ Prolific Chipset
4 Port Serial Hub USB to RS232 Adapter - Serial Cards & Adapters | StarTech.com
USB to 4 PIN Serial RS232 PORT FTDI Chipset Adapter
4-port USB 2.0 to 4X RS232 serial cable splitter converter ZE552A(FTDI Chipset+win 10 supported)
Four-port USB to serial RS232 converter / adapter
Amazon.com: Gearmo 4 Port USB to Serial RS232 Adapter FTDI Chipset, Supports Win 11, 10, 8, 7, Linux, Mac w/ESD and Surge Protection : Electronics
FTDI Serial USB RS232 Adapter 4 port Din Rail Industrial - Shentek
4 Port USB to Serial Adapter - USB-B to DB9 RS485 RS422 | Eaton
4 Port USB Type-C To Serial Adapter with Per port LED Rx / TX Indicators
4-port USB to Serial RS232 Converter
Keyspan USB 4-Port Serial Adapter USA-49WG B&H Photo Video
USB 2 to Industrial 4-Port RS232-422-485 Serial TB Adapter - Coolgear
3ft USB to Serial Cable/RS232 Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com Belgium
StarTech.com USB to RS232/RS485/RS422 Industrial 4 Port Serial Hub Adapter - USB to Serial Converter - ICUSB234854I - USB Adapters - CDW.com
