Serial Cards & Adapters
If you're looking for a simple, cost-effective way to connect serial devices in your industrial application or server room, our Serial Cards and Adapters make it easy to add Serial ports (RS-232, RS-422, RS-485 etc.) to your computer through common expansion ports such as PCI and PCI Express, as well as through USB.Filter by:
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1 Port USB to RS232 DB9 Serial Adapter Cable - M/M
Add an RS232 serial port to your laptop or desktop computer through USB
2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Dual Serial DB9 Card - 16950 UART - Expansion Card - Windows, macOS, Linux
PCI Express to Serial Adapter | 921.6Kbps | Windows® and Linux® Compatible
1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Card - Windows, macOS, Linux
PCI Express to Serial Adapter | 921.4Kbps | Windows® and Linux® Compatible
1 Port FTDI USB to Serial RS232 Adapter Cable with COM Retention
Add an RS232 serial port with COM retention to your laptop or desktop computer through USB
3ft USB to RS232 DB9 Serial Adapter Cable - M/M
Add an RS232 serial port to your laptop or desktop computer through USB
4 Port RS232 PCI Express Serial Card w/ Breakout Cable
Add 4 RS232 serial ports to any PC using a single PCI Express expansion slot
1 Port Professional USB to Serial Adapter Cable with COM Retention
Add one serial RS-232 port with com retention to any laptop or computer with a USB port
1 Port USB to Null Modem RS232 DB9 Serial DCE Adapter Cable with FTDI
Add a Null Modem RS232 serial port to your laptop or desktop computer through USB
2 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART
Add 2 RS-232 serial ports to your standard or small form factor computer through a PCI Express expansion slot
16-Port USB-to-Serial Adapter Hub
Convert a USB port into 16 RS232 serial ports in an industrial rack-mountable chassis - and daisy chain multiple hubs for a scalable solution
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