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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.
78 Results
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

$18.99
14734+ In stock In stock
US: 13837 | CA: 897
In stock Learn More
2S1P PCI Serial Parallel Combo Card with 16550 UART
PCI2S1P
2S1P PCI Serial Parallel Combo Card with 16550 UART

Add a parallel port and two RS-232 serial ports to your PC through a PCI expansion slot

$42.99
2779+ In stock In stock
US: 2745 | CA: 34
In stock Learn More
1 Port FTDI USB to Serial RS232 Adapter Cable with COM Retention
ICUSB2321F
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

$29.99
3820+ In stock In stock
US: 3695 | CA: 125
In stock Learn More
4 Port RS232 PCI Express Serial Card w/ Breakout Cable
PEX4S553B
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

$121.99
878+ In stock In stock
US: 855 | CA: 23
In stock Learn More
4 Port USB to DB9 RS232 Serial Adapter Hub – Industrial DIN Rail and Wall Mountable
ICUSB2324I
4 Port USB to DB9 RS232 Serial Adapter Hub – Industrial DIN Rail and Wall Mountable

Add 4 DIN Rail-mountable RS232 Serial ports to any system through USB

$115.99
578+ In stock In stock
US: 552 | CA: 26
In stock Learn More
FTDI USB to Serial Null Modem DCE Adapter Cable
ICUSB232FTN
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

$31.99
1510+ In stock In stock
US: 1483 | CA: 27
In stock Learn More
USB to RS232 DB9/DB25 Serial Adapter Cable - M/M
ICUSB232DB25
USB to RS232 DB9/DB25 Serial Adapter Cable - M/M

Add an RS232 serial port to a notebook or desktop computer with this Plug-and Play USB adapter cable

$20.99
1761+ In stock In stock
US: 1748 | CA: 13
In stock Learn More
2 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART
PEX2S553
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

$52.99
563+ In stock In stock
US: 504 | CA: 59
In stock Learn More
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

$28.99
987+ In stock In stock
US: 909 | CA: 78
In stock Learn More
2 Port FTDI USB to Serial RS232 Adapter Cable with COM Retention
ICUSB2322F
2 Port FTDI USB to Serial RS232 Adapter Cable with COM Retention

Add two RS232 serial ports with COM retention to your laptop or desktop computer through USB

$65.99
398+ In stock In stock
US: 370 | CA: 28
In stock Learn More
USB to RS232 DB9 Serial Adapter Cable with COM Retention
ICUSB232PRO
1 ft USB to RS232 Serial DB9 Adapter Cable with COM Retention

Add an RS-232 serial port to your laptop or desktop computer through USB; features COM port retention

$27.99
900+ In stock In stock
US: 765 | CA: 135
In stock Learn More
2 Port Native PCI Express RS232 Serial Adapter Card with 16950 UART
PEX2S952
2 Port Native PCI Express RS232 Serial Adapter Card with 16950 UART

Add 2 RS-232 serial ports to your full height or low profile computer through a PCI Express slot

$52.99
452+ In stock In stock
US: 397 | CA: 55
In stock Learn More
2 Port Low Profile Native RS232 PCI Express Serial Card with 16950 UART
PEX2S952LP
2 Port Low Profile Native RS232 PCI Express Serial Card with 16950 UART

Add 2 RS-232 serial ports to your standard or small form factor computer through a PCI Express expansion slot

$51.99
451+ In stock In stock
US: 352 | CA: 99
In stock Learn More
8 Port Native PCI Express RS232 Serial Adapter Card with 16950 UART
PEX8S952
8 Port Native PCI Express RS232 Serial Adapter Card with 16950 UART

Add 8 RS232 serial ports to your computer via a single PCI Express slot

$216.99
89+ In stock In stock
US: 57 | CA: 32
In stock Learn More
8 Port USB to DB9 RS232 Serial Adapter Hub – Industrial DIN Rail and Wall Mountable
ICUSB2328I
8 Port USB to DB9 RS232 Serial Adapter Hub – Industrial DIN Rail and Wall Mountable

Add 8 DIN Rail-mountable RS232 Serial ports to any system through USB

$191.99
57+ In stock In stock
US: 24 | CA: 33
In stock Learn More
Low Profile PCI Express Serial Card w/ 16950 UART, Native PCIe Chipset
PEX1S952LP
1 Port Low Profile Native PCI Express Serial Card w/ 16950

Add 1 high-speed serial RS-232 port to any PC with a PCI Express slot

$52.99
17+ In stock In stock
US: 0 | CA: 17
In stock Learn More
USB-C to Serial Adapter
ICUSB232C
USB-C to Serial Adapter

Connect an RS232 (DB9) peripheral to your USB-C device

$29.99
3334+ In stock In stock
US: 2812 | CA: 522
In stock Learn More
1S1P Native PCI Express Parallel Serial Combo Card with 16950 UART
PEX1S1P952
1S1P Native PCI Express Parallel Serial Combo Card with 16950 UART

Add a parallel and serial port through a standard or low-profile PCI Express slot

$64.99
780+ In stock In stock
US: 750 | CA: 30
In stock Learn More
4-Port Industrial USB to RS-232/422/485 Serial Adapter - 15 kV ESD Protection
New
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
192+ In stock In stock
US: 168 | CA: 24
In stock Learn More
8-Port Industrial USB to RS-232/422/485 Serial Adapter - 15 kV ESD Protection
New
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
104+ In stock In stock
US: 88 | CA: 16
In stock Learn More
Low Profile PCI Express Serial Card (RS232) (16550 UART, Native PCIe Chipset)
PEX1S553LP
1 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART

Add a RS-232 serial port to your standard or small form factor computer through a PCI Express expansion slot

$57.99
563+ In stock In stock
US: 535 | CA: 28
In stock Learn More
16-Port USB-to-Serial Adapter Hub
ICUSB23216FD
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

$446.99
84+ In stock In stock
US: 69 | CA: 15
In stock Learn More
24in Internal USB Motherboard Header to Serial RS232 Adapter
ICUSB232INT1
24in Internal USB Motherboard Header to Serial RS232 Adapter

Add an RS232 serial port to any system with an available USB motherboard header

$31.99
1068+ In stock In stock
US: 914 | CA: 154
In stock Learn More
4 Port Wall Mountable USB to Serial Adapter Hub with COM Retention
ICUSB2324X
4 Port Wall Mountable USB to Serial Adapter Hub with COM Retention

Add 4 serial RS-232 ports to any laptop or computer with a USB port

$109.99
239+ In stock In stock
US: 229 | CA: 10
In stock Learn More
4 Port Native PCI Express RS232 Serial Adapter Card with 16950 UART
PEX4S952
4 Port Native PCI Express RS232 Serial Adapter Card with 16950 UART

Add four RS232 serial ports to any PC using a single PCI Express expansion slot

$120.99
213+ In stock In stock
US: 200 | CA: 13
In stock Learn More
4 Port Low Profile Native RS232 PCI Express Serial Card with 16950 UART
PEX4S952LP
4 Port Low Profile Native RS232 PCI Express Serial Card with 16950 UART

Add 4 high-speed RS-232 serial ports to your PC through a low profile PCI Express expansion slot

$120.99
235+ In stock In stock
US: 185 | CA: 50
In stock Learn More
2S1P Native PCI Express Parallel Serial Combo Card with 16550 UART
PEX2S5531P
2S1P Native PCI Express Parallel Serial Combo Card with 16550 UART

Add 1 parallel port and 2 RS-232 serial ports to your standard or low-profile computer through a PCI Express expansion slot

$49.99
441+ In stock In stock
US: 425 | CA: 16
In stock Learn More
2 Port PCI RS232 Serial Adapter Card with 16550 UART
PCI2S550
2 Port PCI RS232 Serial Adapter Card with 16550 UART

Add 2 high-speed RS-232 serial ports to your PC through a PCI expansion slot

$36.99
523+ In stock In stock
US: 466 | CA: 57
In stock Learn More
4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART
PEX4S553
4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART

Add 4 RS-232 serial ports to your standard or small form factor computer through a PCI Express expansion slot

$114.99
299+ In stock In stock
US: 135 | CA: 164
In stock Learn More
4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485
PEX4S232485
4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485

Add two RS232, and two RS422/485 serial ports to your PC through a PCI-Express expansion slot

$156.99
93+ In stock In stock
US: 89 | CA: 4
In stock Learn More
2 Port Industrial Wall Mountable USB to Serial Adapter Hub with DIN Rail Clips
ICUSB2322I
2 Port Industrial Wall Mountable USB to Serial Adapter Hub with DIN Rail Clips

Add 2 DIN Rail-mountable RS232 Serial ports to any system through USB

$71.99
192+ In stock In stock
US: 187 | CA: 5
In stock Learn More
1 Port FTDI USB to Serial RS232 Adapter Cable with Optical Isolation
ICUSB2321FIS
1 Port FTDI USB to Serial RS232 Adapter Cable with Optical Isolation

Add an RS232 serial port with circuit isolation to your laptop or desktop computer, through USB

$117.99
50+ In stock In stock
US: 45 | CA: 5
In stock Learn More
2 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART
PEX2S553LP
2 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART

Add 2 high-speed RS-232 serial ports to your low profile/small form factor computer with a PCI Express expansion slot

$51.99
112+ In stock In stock
US: 67 | CA: 45
In stock Learn More
1 Port Professional USB to Serial Adapter Cable with COM Retention
ICUSB2321X
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

$43.99
4 Port USB to RS232 Serial DB9 Adapter Hub
ICUSB2324
4 Port USB to RS232 Serial DB9 Adapter Hub

Add four RS232 serial ports to any notebook or desktop computer using a single USB port

$92.99
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

$69.99
24+ In stock In stock
US: 0 | CA: 24
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

$62.99
1239+ In stock In stock
US: 1160 | CA: 79
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
2046+ In stock In stock
US: 1811 | CA: 235
In stock Learn More
2-Port PCI Express Serial Card with 16C1050 UART - RS232
PEX2S1050
2-Port PCI Express Serial Card with 16C1050 UART - RS232

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

$58.99
693+ In stock In stock
US: 665 | CA: 28
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
565+ In stock In stock
US: 515 | CA: 50
In stock Learn More
2 Port PCI Low Profile RS232 Serial Adapter Card with 16550 UART
PCI2S550_LP
2 Port PCI Low Profile RS232 Serial Adapter Card with 16550 UART

Add 2 high-speed RS-232 serial ports to your low profile/small form factor computer with a PCI expansion slot

$48.99
416+ In stock In stock
US: 377 | CA: 39
In stock Learn More
2 Port USB to RS232 Serial DB9 Adapter Cable
ICUSB232C2
2 Port USB to RS232 Serial DB9 Adapter Cable

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

$46.99
370+ In stock In stock
US: 352 | CA: 18
In stock Learn More
8 Port PCI Express Low Profile Serial Adapter Card
PEX8S950LP
8 Port PCI Express Low Profile Serial Adapter Card

Add 8 RS-232 serial ports to your computer via a single low profile PCI Express slot

$213.99
80+ In stock In stock
US: 72 | CA: 8
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
354+ In stock In stock
US: 348 | CA: 6
In stock Learn More
Industrial RS232 to RS422/485 Serial Port Converter with 15KV ESD Protection
IC232485S
Industrial RS232 to RS422/485 Serial Port Converter with 15KV ESD Protection

Convert an RS232 data signal to either RS485 or RS422 with this wall-mountable, ESD-protected adapter

$91.99
131+ In stock In stock
US: 127 | CA: 4
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
218+ In stock In stock
US: 217 | CA: 1
In stock Learn More
4 Port PCI RS232 Serial Adapter Card with 16550 UART
PCI4S550N
4 Port PCI RS232 Serial Adapter Card with 16550 UART

Add 4 high-speed RS-232 serial ports to your PC through a PCI expansion slot

$70.99
329+ In stock In stock
US: 132 | CA: 197
In stock Learn More
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
116+ In stock In stock
US: 90 | CA: 26
In stock Learn More
1 Port USB to RS232 DB9 Serial Adapter with Detachable 6ft USB A to B Cable
ICUSB232D
1 Port USB to RS232 DB9 Serial Adapter with Detachable 6ft USB A to B Cable

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

$17.99
452+ In stock In stock
US: 430 | CA: 22
In stock Learn More
8-Port USB-to-Serial Adapter Hub
ICUSB23208FD
8-Port USB-to-Serial Adapter Hub

Convert a single USB port into eight serial ports, and connect multiple hubs together for a scalable solution

$268.99
41+ In stock In stock
US: 28 | CA: 13
In stock Learn More
2S1P PCI Express Serial Parallel Combo Card with Breakout Cable
PEX2S1P553B
2S1P PCI Express Serial Parallel Combo Card with Breakout Cable

Add a parallel port and two RS-232 serial ports to your PC through a PCI-Express expansion slot

$49.99
172+ In stock In stock
US: 145 | CA: 27
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
140+ In stock In stock
US: 110 | CA: 30
In stock Learn More
2 Port PCI RS422/485 Serial Adapter Card with 161050 UART
PCI2S4851050
2 Port PCI RS422/485 Serial Adapter Card with 161050 UART

Add two RS422/485 serial ports through a standard or low profile PCI expansion slot

$113.99
49+ In stock In stock
US: 45 | CA: 4
In stock Learn More
8 Port USB to RS232 Serial DB9 Adapter Hub
ICUSB2328
8 Port USB to RS232 Serial DB9 Adapter Hub

Add eight RS232 serial ports to any notebook or desktop computer using a single USB port

$215.99
28+ In stock In stock
US: 23 | CA: 5
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
64+ In stock In stock
US: 54 | CA: 10
In stock Learn More
1 Port Native ExpressCard RS232 Serial Adapter Card with 16950 UART
EC1S952
1 Port Native ExpressCard RS232 Serial Adapter Card with 16950 UART

Add a high-speed RS-232 Serial port to your laptop computer via an ExpressCard expansion slot

$71.99
84+ In stock In stock
US: 32 | CA: 52
In stock Learn More
24in Internal USB Motherboard Header to 2 Port Serial RS232 Adapter
ICUSB232INT2
24in Internal USB Motherboard Header to 2 Port Serial RS232 Adapter

Add two RS232 serial ports to any system with an available USB motherboard header

$66.99
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
3+ In stock In stock
US: 0 | CA: 3
In stock Learn More
2 Port USB to RS232 RS422 RS485 Serial Adapter with COM Retention
ICUSB2324852
2 Port USB to RS232 RS422 RS485 Serial Adapter with COM Retention

Add RS232, RS422 and RS485 support to your laptop or desktop computer via USB

$98.99
4+ In stock In stock
US: 0 | CA: 4
In stock Learn More
3 ft 1s1p USB to Serial Parallel Port Adapter Cable
ICUSB2321284
3 ft 1s1p USB to Serial Parallel Port Adapter Cable

Add one RS232 Serial, and one IEEE 1284 Parallel port to your computer through a single USB connection

$37.99
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
2 Port Industrial USB to Serial RJ45 Adapter - Wallmount and DIN Rail
ICUSB2322RJ
2 Port Industrial USB to Serial RJ45 Adapter - Wallmount and DIN Rail

Add two RS232 serial RJ45 connections to a PC or Server through USB, with this DIN Rail and wall-mountable adapter

$71.99
7383+ In stock In stock
US: 7372 | CA: 11
In stock Learn More
4 Port RS232 PCI Serial Card Adapter with Power Output
PCI4S954PW
4 Port RS232 PCI Serial Card Adapter with Power Output

Add 4 RS232 serial ports with 5V or 12V selectable power output to your computer, through a PCI slot

$123.99
197+ In stock In stock
US: 195 | CA: 2
In stock Learn More
RS232  to TTL Serial Converter -  DB9, F/M
IC232TTL
RS232 to TTL Serial Converter - DB9, F/M

Easily convert an RS232 serial signal (-12 to +12V) to a transistor-transistor logic signal (0 to +5V)

$45.99
564+ In stock In stock
US: 479 | CA: 85
In stock Learn More
2 Port RS232/422/485 PCI Serial Adapter Card w/ ESD Protection
PCI2S232485I
2 Port RS232/422/485 PCI Serial Adapter Card w/ ESD Protection

Control and communicate with two serial devices even with mixed RS-232 & 485 protocols

$159.99
114+ In stock In stock
US: 110 | CA: 4
In stock Learn More
2s1p Serial Parallel Combo Mini PCI Express Card for Embedded Systems
MPEX2S1P552
2s1p Serial Parallel Combo Mini PCI Express Card for Embedded Systems

Add two RS232 Serial Ports, and one Parallel Port to an Embedded System, through a mini PCI-Express Slot

$83.99
194+ In stock In stock
US: 174 | CA: 20
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

$390.99
45+ In stock In stock
US: 18 | CA: 27
In stock Learn More
2 Port Industrial PCI Express (PCIe) RS232 Serial Card w/ Power Output and ESD Protection
PEX2S553S
2 Port Industrial PCI Express (PCIe) RS232 Serial Card w/ Power Output and ESD Protection

Add two high speed, ESD-Protected RS232 ports, with 5V or 12V selectable power output through a PCI Express slot

$42.99
158+ In stock In stock
US: 141 | CA: 17
In stock Learn More
2S2P PCI Serial Parallel Combo Card with 16C1050 UART
PCI2S2PMC
2S2P PCI Serial Parallel Combo Card with 16C1050 UART

Add two Serial and two Parallel ports to your desktop system through a single PCI slot

$18.99
356+ In stock In stock
US: 170 | CA: 186
In stock Learn More
16 Port Low Profile RS232 PCI Express Serial Card - Cable Included
PEX16S952LP
16 Port Low Profile RS232 PCI Express Serial Card - Cable Included

Add 16 RS232 serial ports to your computer via a single low profile PCI Express slot

$395.99
3+ In stock In stock
US: 2 | CA: 1
In stock Learn More
2-Port Dual Voltage WHQL Approved Serial Card with Legacy Port Remap Function
$53.99
83+ In stock In stock
US: 9 | CA: 74
In stock Learn More
4 Port PCI Express (PCIe) RS232 Serial Card w/ Power Output and ESD Protection
PEX4S553S
4 Port PCI Express (PCIe) RS232 Serial Card w/ Power Output and ESD Protection

Add four ESD-Protected RS232 ports, with 5V or 12V selectable power output through a PCI Express slot

$150.99
2+ In stock In stock
US: 2 | CA: 0
In stock
2 Port Native ExpressCard RS232 Serial Adapter Card with 16950 UART
EC2S952
2 Port Native ExpressCard RS232 Serial Adapter Card with 16950 UART

Add 2 high-speed RS-232 Serial ports to your notebook computer via an ExpressCard slot

$87.99
2+ In stock In stock
US: 2 | CA: 0
In stock
2 Port PCI Express RS232 Serial Adapter Card with 16950 UART
PEX2S950
2 Port PCI Express RS232 Serial Adapter Card with 16950 UART

Add 2 RS232 serial ports to your standard or small form factor computer through a PCI Express expansion slot

$62.99
16 Port Rackmount FTDI USB to Serial COM Adapter Hub - RS232 Multiplexer
ICUSB23216F
16 Port Rackmount FTDI USB to Serial COM Adapter Hub - RS232 Multiplexer

Convert a Single USB Port into 16 RS232 Serial Ports in a Hardened Industrial-grade Rack-mountable Chassis

$399.99
RS-232 to RS485/422 Serial Converter
IC485S
RS-232 to RS485/422 Serial Converter

Convert an RS232 data signal to either RS485 or RS422

$49.99
4 Port ExpressCard RS232 Serial Card Adapter with 16950 UART
EC4S950
4 Port ExpressCard RS232 Serial Card Adapter with 16950 UART

Add four RS232 Serial ports to your laptop computer via an ExpressCard expansion slot

$49.99
11+ In stock In stock
US: 10 | CA: 1
In stock Learn More
PCI Express RS232 Serial Adapter Card with 16950 UART (Native Chipset)
PEX1S952
1 Port Native PCI Express RS232 Serial Adapter Card with 16950 UART

Add an RS232 Serial port through a PCI Express expansion slot

$51.99
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