Reviews Multi port Serial Adapter

StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Dual Serial DB9 Card - 16550 UART - Expansion Card - Windows & Linux (PEX2S553)

  • 2 PORT SERIAL CARD: Serial controller card w/16550 UART based on ASIX MCS9922CV-AA, allows 2x DB9 ports w/bi-directional RS232 speeds up to 460.8Kbps per port, available 256 byte FIFO buffer | Upgraded version of our popular card PEX2S952.
  • OPTIONAL CONFIGURABLE POWER: PCI Express RS232 Serial Adapter Card provides choice of 12v, 5v, or none through pin 9. Each of the 2 ports are individually configurable.
  • STANDARD PROFILE & LOW PROFILE BRACKET: PCIe multiport serial card comes w/ a standard bracket pre-installed & 2x low profile brackets incl for versatile install.
  • VERSATILE APPLICATIONS: For standard profile desktop/servers with uses in point of sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, scanners, oscilloscope.
  • THE IT PRO'S CHOICE: Designed and built for IT Professionals, this PCIe serial adapter card is backed for life, including free lifetime 24/5 multi-lingual technical assistance.
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Gearmo 4 Port RS232 to USB FTDI chip Adapter with RX and TX Status LED

  • MULTI-USE FUNCTIONALITY - Quad Port Serial Adapter with FTDI Chipset, that supports an automatic handshake. Supports full RS232 Handshaking.
  • COMPATABILITY - With support on multiple OS platforms this makes our USB RS- 232 very versatile. Supported OS platforms are Windows 7, 8 and 10 as....
  • EASY INSTALLATION - This serial adapter lets you enjoy simple installation and operation with COM port retention that provides robust serial....
  • EASY TEST - Easy test RS-232 host to device link. With a full LED, dual color display, tester output. This will make testing your connections with....
  • WHY Gearmo? Your Trusted Partner based in the USA, Providing Advanced Engineering, Highly Reliable and Superior Built Products to handle the most....
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StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Dual Serial DB9 Card - 16950 UART - Expansion Card - Windows & Linux (PEX2S953)

  • 2 PORT SERIAL CARD: Serial controller card w/16950 UART based on ASIX AX99100, allows 2x DB9 ports w/bi-directional RS232 speeds up to 921.6Kbps per port, available 256 byte FIFO buffer & 9th data bit | Upgraded version of our popular card PEX2S952.
  • OPTIONAL CONFIGURABLE POWER: PCI Express RS232 Serial Adapter Card provides choice of 12v, 5v, or none through pin 9 w/up to 2A total.
  • Each of the 2 ports are individually configurable.
  • STANDARD PROFILE & LOW PROFILE BRACKET: PCIe multiport serial card comes w/ a standard bracket pre-installed & 2x low profile brackets incl for versatile install.
  • VERSATILE APPLICATIONS: For standard profile desktop/servers with uses in point of sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, scanners, oscilloscope.
  • THE IT PRO'S CHOICE: Designed and built for IT Professionals, this PCIe serial adapter card is backed for life, including free lifetime 24/5 multi-lingual technical assistance.
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StarTech.com 1 Port USB to Serial RS232 Adapter - Prolific PL-2303 - USB to DB9 Serial Adapter Cable - RS232 Serial Converter (ICUSB232V2)

  • MAXIMIZED PORTABILITY: This USB to serial RS232 adapter converts a USB port into an RS232 DB9 serial port to connect to, monitor, and control a serial device.
  • BROAD COMPATIBILITY: Compatible with your USB 1.0 or 2.0 ports, this USB to RS232 converter works with your Windows, Mac or Linux system.
  • FAST TRANSFER SPEEDS: Experience fast speeds with this USB to DB9 serial adapter, supporting a Baud Rate up to 921.6Kbps.
  • PORTABLE DESIGN: Powered by a USB port, this USB to RS232 serial adapter cable features a lightweight design that conveniently fits into your carrying case, making it ideal for professionals on the go.
  • Install in almost any laptop or desktop computer through broad operating system compatibility, including Windows 8.
  • Communicate efficiently with connected devices with high-speed 921Kbps support.
  • Portable and lightweight, the USB-Powered design requires no additional power adapter.
  • USB to Straight-Through RS232 DB9 Serial Adapter.
  • Compatible with Windows 8, Mac OS X and Linux.
  • USB-powered - no external power adapter required.
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DTECH 6 Feet USB to RS232 DB9 Female Serial Adapter Cable Windows 11 10 8 7 Mac Linux Serial to USB 2.0 (PL2303 Chip)

  • RS232 USB to serial female adapter cable allows any PC to connect serial devices and programs that communicate through COM ports.
  • DB9 Serial cable to USB adapter is designed for connecting Serial devices such as DB9 equipped PCs, routers, GPS, Programming machine, barcode scanners, label writers, serial modems, digital cameras, card readers, palm PCs and digital organizers, etc.
  • 6ft USB to serial cable with standard USB Type A Male to standard 9-pin DB9 Female RS-232 serial connector.
  • USB to RS232 adapter is with Prolific PL-2303 Chipset for widest possible compatibility with Windows 11, 10, 8, 7, XP, Vista, 2000, 98, MacOS8 or higher, Linux 2.4.0 and later, and other platforms..
  • Note that the interface is 9-pin RS232 Female socket, please make sure that your serial device with a 9-pin Male Port before purchasing this USB to serial port adapter with Prolific PL2303 chipset (NOT FTDI chip).
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StarTech.com 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16550 UART - Low Profile Expansion Card - Windows & Linux (PEX1S553LP)

  • 1 PORT SERIAL CARD: Serial controller card w/ 16550 UART based on ASIX MCS9922CV-AA, allows 1x DB9 port w/bi-directional RS232 speeds up to 460.8Kbps per port, available 256 byte FIFO buffer.
  • Upgraded version of our popular card PEX1S552LP.
  • OPTIONAL CONFIGURABLE POWER: PCI Express RS232 serial adapter card provides choice of 12v, 5v, or none through pin 9.
  • STANDARD PROFILE & LOW PROFILE BRACKET: PCIe serial card comes w/ a low profile bracket pre-installed & 1x full profile bracket is incl for versatile install.
  • VERSATILE APPLICATIONS: For low/standard profile desktop/servers w/ uses in point of sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, scanner, oscilloscope.
  • THE IT PRO'S CHOICE: Designed and built for IT Professionals, this PCIe serial adapter card is backed for life, including free lifetime 24/5 multi-lingual technical assistance.
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Cable Matters USB to Serial Adapter Cable (USB to RS232, USB to DB9) 3 Feet

  • USB to RS232 adapter cable connects from the USB-A port of a computer to a device with a female DB9 port.
  • Bus-powered Serial to USB adapter connects to devices for configuration or programming.
  • Male to male serial to USB cable provides a convenient solution for communicating with equipment that require a DB9 connector.
  • Use a DB9 mini gender changer (sold separately) if the connector of the RS232 to USB adapter will not mate with the equipment port.
  • Simple installation of the USB Serial adapter using the drivers available for download from Cable Matters.
  • Connect a null modem adapter (sold separately) to directly connect two computers with serial cables.
  • Windows & Mac compatible USB to Serial cable for Windows 2000/XP/Vista/7/8/10 and MacOS 10.6 and above.
  • The 9 pin to USB adapter may require additional proprietary software some equipment models.
  • RS-232 compatible db9 to USB adapter is required for many types of equipment including a CNC Machine, GPS, telescope, Set-top box, Cisco network switch, sewing Machine and more.
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StarTech.com 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Card - Windows & Linux (PEX1S953LP)

  • 1 PORT SERIAL CARD: Serial controller card w/ 16950 UART based on ASIX AX99100, allows 1x DB9 port w/bi-directional RS232 speeds up to 921.6Kbps per port, available 256 byte FIFO buffer & 9th data bit.
  • Upgraded version of our popular card PEX1S952LP.
  • OPTIONAL CONFIGURABLE POWER: PCI Express RS232 serial adapter card provides choice of 12v, 5v, or none through pin 9 w/up to 2A total.
  • STANDARD PROFILE & LOW PROFILE BRACKET: PCIe serial card comes w/ a low profile bracket pre-installed & 1x full profile bracket is incl for versatile install.
  • VERSATILE APPLICATIONS: For low/standard profile desktop/servers w/ uses in point of sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, scanner, oscilloscope.
  • THE IT PRO'S CHOICE: Designed and built for IT Professionals, this PCIe serial adapter card is backed for life, including free lifetime 24/5 multi-lingual technical assistance.
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Active DVI to VGA Adapter , UVOOI Male DVI-D (24+1) to VGA Female Monitor Converter Video for Docking Station, Computer, Monitor, HDTV, Projector

  • Add one serial RS-232 port with com retention to any laptop or computer with a USB port.
  • Simple installation and operation with COM port retention provides robust serial connectivity for legacy devices with minimal hassle.
  • Easy plug and play installation with USB Powered device - no power outlet required.
  • Extensive list of compatible operating systems makes this device perfect for almost any RS232 application.
  • USB to Straight-Through RS232 Serial Adapter.
  • COM Port assignments maintained across reboot.
  • Powered by an available USB port - no external power adapter required.
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Tripp Lite Keyspan High-Speed USB to Serial Adapter, PC & Mac, USB-A to DB9 RS232 Male, 3 Foot / 0.91 Meter Cable, 3-Year Warranty (USA-19HS)

  • Serial adapter allows a serial device to be connected to a USB computer.
  • Plug-and-play convenience:DB9 serial port is seen as a COM port by your computer, and is available for use by any program that accesses COM ports.
  • No need for an external power adapter:draws power directly from your computer via the USB connection.
  • DB9 serial port supports data transfer rates up to 230 Kbps:twice the speed of a standard built-in serial port.
  • LED shows adapter status and data activity at a glance.
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