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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.
31 to 40 of 73 Results
USB-C to Serial Adapter with COM Retention
ICUSB232PROC
USB-C to Serial Adapter with COM Retention

Add a serial port with this USB C to serial with COM port retention

$32.99
3ft USB to RS232 DB9 Serial Adapter Cable - M/M
ICUSB232SM3
3ft USB to RS232 DB9 Serial Adapter Cable - M/M

Add an RS232 serial port to your laptop or desktop computer through USB

$29.99
3474+ In stock In stock
US: 3290 | CA: 184
In stock Learn More
1 Port USB to RS232 DB9 Serial Adapter Cable - M/M
ICUSB232V2
1 Port USB to RS232 DB9 Serial Adapter Cable - M/M

Add an RS232 serial port to your laptop or desktop computer through USB

$21.99
22386+ In stock In stock
US: 21291 | CA: 1095
In stock Learn More
4-Port Industrial USB to RS-232/422/485 Serial Adapter - 15 kV ESD Protection
ICUSB234854I
4-Port Industrial USB to RS-232/422/485 Serial Adapter - 15 kV ESD Protection

Add four ports supporting three serial protocols, to easily connect serial devices to your computer through USB, with 15kV ESD protection

$253.99
173+ In stock In stock
US: 173 | CA: 0
In stock
8-Port Industrial USB to RS-232/422/485 Serial Adapter - 15 kV ESD Protection
ICUSB234858I
8-Port Industrial USB to RS-232/422/485 Serial Adapter - 15 kV ESD Protection

Add eight ports supporting three serial protocols, to easily connect serial devices to your computer through USB, with 15kV ESD protection

$376.99
130+ In stock In stock
US: 120 | CA: 10
In stock Learn More
6 ft Professional RS422/485 USB Serial Cable Adapter w/ COM Retention
ICUSB422
6 ft Professional RS422/485 USB Serial Cable Adapter w/ COM Retention

Add an RS422/485 serial port to your system through USB; features COM port retention

$71.99
58+ In stock In stock
US: 58 | CA: 0
In stock
Metal Industrial USB to RS422/RS485 Serial Adapter w/ Isolation
ICUSB422IS
1 Port Metal Industrial USB to RS422/RS485 Serial Adapter w/ Isolation

Add an R422/485 serial port to your laptop or desktop computer through USB

$130.99
82+ In stock In stock
US: 65 | CA: 17
In stock Learn More
Micro USB to RS232 DB9 Serial Adapter Cable for Android with USB Charging - M/M
ICUSBANDR232
Micro USB to RS232 DB9 Serial Adapter Cable for Android with USB Charging - M/M

Add an RS232 serial port to your Android smartphone or tablet device through Micro USB with USB charging capabilities

$41.99
108+ In stock In stock
US: 100 | CA: 8
In stock Learn More
USB-C to Parallel Printer Cable
ICUSBCPLLD25
USB-C to Parallel Printer Cable

Add a parallel port through your laptop or desktop computer’s USB-C port, and connect to a DB25 parallel printer

$51.99
1320+ In stock In stock
US: 1153 | CA: 167
In stock Learn More
2 Port ISA RS232 Serial Adapter Card with 16550 UART
ISA2S550
2 Port ISA RS232 Serial Adapter Card with 16550 UART

Add 2 RS232 ports to legacy computer systems through an ISA slot

$49.99