Add-on Cards & Peripherals / Serial Cards & Adapters

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.

Applied Filters

--Card Type: Standard Profile (LP bracket incl.)X
--Serial Protocol: RS-232X
--Ports: 2X

Bus Type

-- PCI Express
-- PCI / PCI-X (5 / 3.3V)
-- PCI (5 Volt)
-- Motherboard Header

Port Style

-- Dongle (Included)
-- Integrated on Card

Viewing 1 to 11 of 11 Results


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    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
    In Stock USA: 256  |  Canada: 21
    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
    In Stock USA: 220  |  Canada: 42
    2 Port RS232 PCI Express Serial Card with Power Output
    PEX2S952PW 2 Port RS232 PCI Express Serial Card with Power Output Add 2 RS232 serial ports with 5V or 12V selectable power output to your computer through a PCI Express slot
    $64.99
    In Stock USA: 226  |  Canada: 103
    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
    In Stock USA: 122  |  Canada: 3
    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
    $54.99
    In Stock USA: 827  |  Canada: 86
    2 Port RS232 PCI Express Serial Card w/ Breakout Cable
    PEX2S553B 2 Port RS232 PCI Express Serial Card w/ Breakout Cable Add two RS232 serial ports to any PC using a single PCI Express expansion slot
    $52.99
    In Stock USA: 156  |  Canada: 16
    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
    $51.99
    In Stock USA: 2885  |  Canada: 66
    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
    $51.99
    In Stock USA: 346  |  Canada: 0
    2 Port PCI RS232 Serial Adapter Card w/ 16950 UART - Dual Voltage
    PCI2S950DV 2 Port PCI RS232 Serial Adapter Card w/ 16950 UART - Dual Voltage Add 2 RS-232 serial ports to your PC with this dual voltage universal PCI expansion card
    $50.99
    In Stock USA: 313  |  Canada: 122
    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
    $43.99
    In Stock USA: 540  |  Canada: 148
    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
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