8 Port USB to DB9 RS232 Serial Adapter - Serial Cards & Adapters, Add-on Cards & Peripherals

Add eight RS-232 DB9 serial ports to your desktop computer, through two PCIe expansion card slots. This PCI express serial card, with two breakout

8-Port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Card - 16C1050 UART - Low Profile Serial DB9 Controller/Expansion Card - 15kV ESD

Plugable USB to RS-232 DB9 Serial Adapter (Prolific PL2303GT

Dual Port USB 2.0 to RS-232 DB-9 Serial Adapter w/ FTDI Chip

PCI Express to 8-Port RS422/485 Serial Board w/EXAR Chip - Coolgear

Upgrade your network system with the StarTech 8 Port USB to Serial RS232. The hub converts a single USB port into eight RS232 serial ports, enabling you to connect to, monitor and control your serial devices. The StarTech hub features a rugged metal construction with sturdy wall-mounting brackets and top-hat DIN Rail clips included. It provides versatile mounting options and a robust solution for both harsh industrial environments and simple desktop installations.

StarTech.com 8 Port USB to DB9 RS232 Serial Adapter Hub U2013 Wall Mountable

Add RS-232 serial communication support to USB-A enabled Data Terminal Equipment (DTE - e.g., desktop or laptop), using this 13ft (4m) straight

13ft (4m) 2-Port USB to Serial Adapter Cable, Interchangeable DB9 Screws/Nuts, COM Retention, USB-A to DB9 RS232, FTDI, Level-4 ESD Protection

DTech 10 Feet USB 2.0 to RS232 DB9 Serial Port Adapter Cable with FTDI Chipset Supports Windows 10 8 7 and Mac Linux

SerialGear Two Port RS-232 ExpressCard DB-9 Dongle for New Laptops

StarTech.com 1-Port PCI Express Serial Card, PCIe to