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Add extra COM ports to your laptop or desktop computer quickly and easily. Thi... Add extra COM ports to your laptop or desktop computer quickly and easily. This USB to RS232/422/485 serial adapter lets you connect to your serial devices through an external USB port. Supports multiple serial protocols The versatile serial adapter... more

Add eight RS-232 DB9 serial ports to your desktop computer through two PCIe ex... Add eight RS-232 DB9 serial ports to your desktop computer through two PCIe expansion card slots. This PCI express serial card with two breakout cables provides you with multiple ports to connect a wide variety of serial peripherals at speeds of up... more

Add eight RS-232 DB9 serial ports to your desktop computer through a PCIe expa... Add eight RS-232 DB9 serial ports to your desktop computer through a PCIe expansion card slots. This PCI express serial card with 8-port breakout cable provides you with multiple ports to connect a wide variety of serial peripherals at speeds of up... more

HOST COMPATIBILITY: Driverless setup for easy install; Tested on major operati... HOST COMPATIBILITY: Driverless setup for easy install; Tested on major operating systems, including Windows 7 and up, macOS 10.11 and up, Linux 2.6 and up; USB bus powered; Backed for 2-years TECH SPECS: 921.6 Kbps baud 512 byte FIFO Data bits of... more

TECH SPECS: System Base SB16C1058PCI Chipset; 16C1050 UART compatible; 8x 9-Pi... TECH SPECS: System Base SB16C1058PCI Chipset; 16C1050 UART compatible; 8x 9-Pin D-Sub Ports; Max Baud 921.6Kbps per port; 256 Byte FIFO; Supports Windows Only; None, Even, or Odd Parity Modes; 5/6/7/8 Data Bits; RS-232 Protocol; Standard Profile... more

STARTECH.COM ADVANTAGE: IT professionals choice for over 30 years; PCI-e RS232... STARTECH.COM ADVANTAGE: IT professionals choice for over 30 years; PCI-e RS232 Serial expansion card is backed for life by StarTech.com, incl. free 24/5 North America based multi-lingual tech support OPTIONAL CONFIGURABLE POWER: PCI Express RS232... more

The controller card features an Asix AX99100 chip and enables you to connect a... The controller card features an Asix AX99100 chip and enables you to connect a DB25 device to your desktop computer. The parallel port is ideal for connecting printers scanners plotters point-of-sale terminals PLCs scientific sensors medical... more

STARTECH.COM ADVANTAGE: IT professionals choice for over 30 years; PCIe RS232 ... STARTECH.COM ADVANTAGE: IT professionals choice for over 30 years; PCIe RS232 Serial expansion card is backed for life by StarTech.com, incl. free 24/5 North America based multi-lingual tech support OPTIONAL CONFIGURABLE POWER: PCI Express RS232... more

Adds a COM Serial port. The Asix AX99100 chip also enables you to connect a DB... Adds a COM Serial port. The Asix AX99100 chip also enables you to connect a DB9 device using the same controller card, compatible with industry standard 16950 UART. The serial port is ideal for connecting point of sale terminals, serial printers,... more

STARTECH.COM ADVANTAGE: IT professionals choice for over 30 years; This RS232 ... STARTECH.COM ADVANTAGE: IT professionals choice for over 30 years; This RS232 Serial Adapter is backed for 2-years by StarTech.com, including free 24/5 North America based multi-lingual tech support TECH SPECS: 921.6 Kbps baud 512 byte FIFO Data... more

STARTECH.COM ADVANTAGE: IT professionals choice for over 30 years; PCI-e RS232... STARTECH.COM ADVANTAGE: IT professionals choice for over 30 years; PCI-e RS232 Serial expansion card is backed for life by StarTech.com, incl. free 24/5 North America based multi-lingual tech support OPTIONAL CONFIGURABLE POWER: PCI Express RS232... more

TECH SPECS: System Base SB16C1058PCI Chipset; 16C1050 UART Compat.; 8x 9-Pin D... TECH SPECS: System Base SB16C1058PCI Chipset; 16C1050 UART Compat.; 8x 9-Pin D-Sub Ports; Max Baud 921.6Kbps per port; 256 Byte FIFO; None/Even/Odd Parity Modes; 5/6/7/8 Data Bits; RS-232; 2x Low Profile Brackets installed (Full Profile Brackets... more

Baud Rate 921.6 Kbps per Port - 256-byte FIFO - PCIe 2.0 x1 Add serial communi... Baud Rate 921.6 Kbps per Port - 256-byte FIFO - PCIe 2.0 x1 Add serial communication support to your desktop computer or Small Form Factor (SFF) system, using this two-port serial card. RS-232 (DB9) support enables control and communication with a... more

STARTECH.COM ADVANTAGE: IT professionals choice for over 30 years; PCI-e RS232... STARTECH.COM ADVANTAGE: IT professionals choice for over 30 years; PCI-e RS232 Serial expansion card is backed for life by StarTech.com, incl. free 24/5 North America based multi-lingual tech support OPTIONAL CONFIGURABLE POWER: PCIe multiport... more