Serial port cards for PC

Data transfer rate up to 2.5 Mbps - Compliant with PCI Express base specification 1.1 - Compliant with PCI power management 1.2 - Supports Windows 7, Vista, XP
LogiLink PC0033 is a PCI Express card that adds two serial ports and one parallel port to your computer. The serial ports have a 9-pin connector, while the parallel port follows IEEE 1284 standards.
StarTech.com's 4-port PCI Express serial adapter card provides a reliable and efficient solution for connecting multiple devices to your computer via RS232 interface.
StarTech.com's 8-port PCI Express RS232 serial adapter card provides multiport serial DB9 controller and expansion functionality with 16C1050 UART, 15kV ESD protection, and compatibility with Windows and Linux.
The Delock 2-Port Manual Serial Switch Box is a versatile tool that allows for easy switching between RS-232, RS-422, and RS-485 communication protocols. This wired switch box features two ports and can be mounted on a desktop or wall.
Conceptronic PCI Express Card with 2-Port Serial Interface, perfect for expanding computer connectivity.
The Conceptronic PCI Express Card features 1 parallel port and 2 serial ports for easy connectivity to various devices.
StarTech 4 Port PCI Express PCIe Serial Combo Card - Adds 2 RS232 & 2 RS422/RS485 ports to a computer's PCI Express slot for communication with devices or instruments requiring serial connectivity.
4 PORT SERIAL CARD: Serial controller card w/ 16950 UART based on ASIX AX99100, allows 4x DB9 ports w/bi-directional RS232 speeds up to 921.6Kbps per port, available 256 byte FIFO buffer - OPTIONAL CONFIGURABLE POWER: PCIe multiport serial card provides 1
StarTech.com 8-port PCIe RS-232 serial card with low-profile design and compatibility with Windows, Linux, and macOS operating systems.
StarTech.com 2-port RS232 serial adapter card with 16950 UART for PCI Express expansion slots, compatible with Windows, macOS, and Linux operating systems.
The Epson UB-S01 is an interface card that connects TM series printers to a computer via RS-232 serial communication. Featuring the C32C823361 model number, this Epson product enables seamless data transfer between devices for smooth printing operations.
Dynamode's PCI-RS232WCH is a dual port serial RS232 controller adapter PCI card that allows for easy integration of multiple serial devices into your computer.
The Digitus 4-Port Serial interface card is a PCI add-on card that provides four RS-232 ports for connecting devices such as modems, printers, or other serial equipment. It includes the SUN1999 chipset and is compatible with Windows XP/Vista/7/8/10.
Boost your PC's connectivity with the StarTech.com 1 Port PCI Express RS232 Serial Card. Low profile, 16550 UART, seamless integration for Windows & Linux
Boost your PC's connectivity with the STARTECH.COM 2-Port PCI Express Serial Card. Low profile design, 16550 UART for reliable data transmission
StarTech 4 Port RS232 PCI Express Serial Card w/ Breakout Cable - connect up to 4 devices via RS-232 interface, low profile design for easy installation.
1 Port RS-232 USB to Serial Adapter - Data rate from 300 to 921,600 baud - Drivers for all popular operating systems including Windows 8 - Works where many other USB to Serial devices do not - Includes 25cm USB Extender cable
LINDY (4002888513265 / 51326)
Boost your PC's connectivity with the StarTech.com 2 Port PCIe RS232 Serial Adapter Card. Dual DB9 ports, 16550 UART for reliable data transfer on Windows & Linux
Data transfer rate up to 115.2Kbps - Plug and play, I/O adress and IRQ assigned by BIOS - On-chip hardware autoflow control to guarantee no data loss - Supports Windows 7, Vista, XP
1 Port RS-422/485 USB to Serial Adapter - Data rate from 300 to 921,600 baud - Drivers for all popular operating systems including Windows 8 - Works where many other USB to Serial devices do not - Includes 25cm USB Extender cable
Brainboxes (0837324002096 / US-346) | USB to Serial Server
Hewlett-Packard (0886111571277 / QP906AA) - PCI - RS-232 - Internal - Package depth: 190 mm - Package Height: 40 mm - Package width: 230 mm
4 Port RS232 PCI Express Serial Card - 3x9 pin ports + 1x9 pin port - 128 byte deep transmit and 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your PC. - Lifetime Warranty and Support - Drivers for all pop
1x RS-232 serial interface - 32 bit PCI bus - Chipset: System Base 1052 - Compatible with Win XP, Vista, 7, 8, 8.1, 10, Server 2003, 2008, Linux - 2 Year Warranty
Brainboxes Limited (0837324002270 / UC-083) | Byte Rx
8 Port RS-232 Serial Card - Pci 3.0 - Includes 8 port cable DB9 connection - Data rate up to 115,200 Baud - Drivers for all popular operating systems
Universal PCI providing four RS232 serial ports with 4x9Pin connector cable. - Data transfer rates up to 115,200 baud rates  - 64 byte deep transmit and 64 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your P
Universal PCI providing four Opto Isolated RS422/485 serial ports with transient spike protection. - Data transfer rates up to 921,600 baud rates - 64 byte deep transmit and 64 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising p

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