4 Port Serial Hub USB to RS232 Adapter - Serial Cards & Adapters | StarTech.com
FTDI Serial USB RS232 Adapter 4 port Din Rail Industrial - Shentek
Manhattan USB to Serial Converter (151047)
StarTech 4-Port USB to Serial Adapter Hub with COM ICUSB2324X
Keyspan USB 4-Port Serial Adapter - Midwest MicroSystems LLC
USB 4-Port Serial Adapter - USB 2.0 to DB-9 Port RS232 with FTDI CHIP - Coolgear
4 Port USB to Serial Adapter - USB-B to DB9 RS485 RS422 | Eaton
4-port USB to Serial RS232 Converter
Q Core Medical Sapphire USB to 4-Port RS232 Adapter | Bound Tree
4 Port USB Type-C To Serial Adapter with Per port LED Rx / TX Indicators
4-Port USB to RS232 Adapter FTDI Cable - Coolgear
USB to 4-Port RS-232 DB9 Serial Interface Adapter - Sealevel
USB to 4 PIN Serial RS232 PORT FTDI Chipset Adapter
4 Port USB to DB9 RS232 Serial Adapter - Serial Cards & Adapters | StarTech.com
4-port USB 2.0 to 4X RS232 serial cable splitter converter ZE552A(FTDI Chipset+win 10 supported)
StarTech.com USB to RS232/RS485/RS422 Industrial 4 Port Serial Hub Adapter - USB to Serial Converter - ICUSB234854I - USB Adapters - CDW.com
FTDI Serial USB RS232 Adapter 4 port Din Rail Industrial - Shentek
4-Port USB to RS-232 DB9 Serial Adapter w/ Prolific Chipset
4-Port USB-A to Serial DB9 Adapter, Keyspan | Eaton
Startech 4 Port USB 2.0 to Serial Adapter Hub Black | Techinn
Four-port USB to serial RS232 converter / adapter
Amazon.com: StarTech.com 4 Port USB to Serial RS232 Adapter - DB9M - RS232 Extension - Serial to USB (ICUSB2324) : Electronics
3ft USB to Serial Cable/RS232 Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com Belgium
StarTech.com 3ft USB to Serial Cable USB to Serial Port Adapter RS232 DB9 Male to USB Prolific IC - 1P3FPC-USB-SERIAL - USB Adapters - CDW.com
4-Port USB to RS-232 Serial Adapter Hub
USB 4-Port Serial Adapter / USB 2.0 Quad Port Serial DB-9 RS-232
