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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.
51 to 60 of 73 Results
4 Port RS232 Mini PCI Express Serial Card w/ 16650 UART
MPEX4S552
4 Port RS232 Mini PCI Express Serial Card w/ 16650 UART

Add Four RS232 Serial Ports to an Embedded System through a mini PCI Express Slot

$117.99
53+ In stock In stock
US: 51 | CA: 2
In stock Learn More
1 Port PCI RS232 Serial Adapter Card with 16550 UART
PCI1S550
1 Port PCI RS232 Serial Adapter Card with 16550 UART

Add an RS-232 serial port to your PC through a PCI expansion slot

$36.99
184+ In stock In stock
US: 157 | CA: 27
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
124+ In stock In stock
US: 116 | CA: 8
In stock Learn More
2 Port Wall Mountable USB to Serial Adapter Hub with COM Retention
ICUSB2322X
2 Port Wall Mountable USB to Serial Adapter Hub with COM Retention

Add 2 serial RS-232 ports to any laptop or computer with a USB port

$62.99
47+ In stock In stock
US: 32 | CA: 15
In stock Learn More
1 Port ExpressCard to RS232 DB9 Serial Adapter Card w/ 16950 - USB Based
EC1S232U2
1 Port ExpressCard to RS232 DB9 Serial Adapter Card w/ 16950 - USB Based

Add a USB-based RS232 Serial port to your laptop through an ExpressCard slot

$47.99
61+ In stock In stock
US: 34 | CA: 27
In stock Learn More
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
4+ In stock In stock
US: 4 | CA: 0
In stock
1 Port Industrial USB to RS232 Serial Adapter with 5KV Isolation and 15KV ESD Protection
ICUSB232IS
1 Port Industrial USB to RS232 Serial Adapter with 5KV Isolation and 15KV ESD Protection

Add a galvanically isolated RS232 serial port with ESD protection through a USB port - DIN Rail Mountable

$92.99
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
1330+ In stock In stock
US: 1163 | CA: 167
In stock Learn More
8-Port PCI Express Serial Card with 16C1050 UART
PEX8S1050LP
8-Port PCI Express Serial Card with 16C1050 UART

Low Profile Serial Card | Full Profile Brackets Incl | 921.4Kbps | Windows® and Linux®

$213.99
168+ In stock In stock
US: 140 | CA: 28
In stock Learn More
16-Port Low-Profile Serial Card - RS232 - PCI Express
PEX16S550LP
16-Port Low-Profile Serial Card - RS232 - PCI Express

Add 16 RS232 serial ports (DB9) to your low or full-profile computer, through a PCI Express slot

$314.99
31+ In stock In stock
US: 30 | CA: 1
In stock Learn More