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

--Ports: 4X
--Serial Protocol: RS-232X

Bus Type

-- CardBus (PCMCIA)
-- ExpressCard
-- Mini PCI Express
-- PCI Express
-- PCI / PCI-X (5 / 3.3V)
-- USB 2.0

Card Type

-- Low Profile (SP bracket incl.)
-- Standard Profile
-- Standard Profile (LP bracket incl.)
-- Embedded
-- 34mm ExpressCard

Port Style

-- Dongle (Included)
-- External Hub
-- Integrated on Card

Viewing 1 to 10 of 18 Results

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    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
    In Stock USA: 361  |  Canada: 46
    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
    $72.99
    In Stock USA: 392  |  Canada: 191
    4 Port PCI RS232 Serial Adapter Card with 16550 UART
    PCI4S550

    4 Port PCI RS232 Serial Adapter Card with 16550 UART

    Add four RS232 serial ports to any PC using a single PCI expansion slot
    $90.99
    In Stock USA: 141  |  Canada: 104
    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
    In Stock USA: 200  |  Canada: 4
    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
    $99.99
    In Stock USA: 213  |  Canada: 2
    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
    $112.99
    In Stock USA: 739  |  Canada: 85
    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
    $113.99
    In Stock USA: 92  |  Canada: 24
    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
    In Stock USA: 104  |  Canada: 31
    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
    In Stock USA: 126  |  Canada: 25
    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
    In Stock USA: 123  |  Canada: 20
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