Hardware Connectivity
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StarTech.com Motherboard Serial Port - Internal - 2 Port - Bus Powered - FTDI USB to Serial Adapter - USB to RS232 Adapter - Add two RS232 serial ports to any system with an available USB motherboard header - USB to Serial - USB to RS232 - USB to DB9 - US
Add two RS232 serial ports to any system with an available USB motherboard header. The ICUSB232INT2 USB to Serial Adapter lets you add 2 RS232 ports to any desktop system that is equipped with an available USB motherboard header. Unlike standard USB to serial cables, this cable is designed for use inside the PC case, affording an entirely internal solution with no mess or extra adapters needed. This compact and simple USB adapter offers a cost-effective solution that bridges the compatibility gap between modern computers and legacy serial peripherals. Backed by a StarTech.com 2-year warranty and free lifetime technical support.
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Learn MoreRegular Price: $66.88
Special Price $62.87
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StarTech.com USB to Serial Adapter - Prolific PL-2303 - COM Port Retention - USB to RS232 Adapter Cable - USB Serial - Add an RS-232 serial port to your laptop or desktop computer through USB; features COM port retention - USB to Serial - USB to RS232 - U
The ICUSB232PRO 1 ft USB to RS232 Serial DB9 Adapter Cable with COM Retention offers a professional grade solution for connecting legacy or industrial RS232 serial devices to a laptop or desktop computer through USB - eliminating the expense of upgrading serial peripherals for compatibility.
A time-saving and convenient USB/Serial solution, the adapter retains assigned serial COM port values in nonvolatile memory, allowing the same values to automatically be assigned to the adapter serial port if disconnected and reconnected, or disconnected from one USB port and installed in another.
A versatile connectivity solution that bridges legacy serial peripheral devices with newer USB-capable computers, the USB to Serial adapter offers broad operating system compatibility including Windows®, Linux and Mac OS, for easy integration into mixed environments.
Backed by a StarTech.com 2-year warranty and free lifetime technical support.
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Learn MoreRegular Price: $31.44
Special Price $29.55
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StarTech.com USB C to Serial Adapter Cable with COM Port Retention, 16" (40cm) USB Type-C to RS232 DB9 Converter Cable, Windows/Mac/Linux - 16in USB-C to Serial adapter converter cable RS232 DB9 - 921.6 Kbps baud - 512 byte FIFO - Data bits of 5/6/7/8 w/s
This USB-C™ to serial adapter lets you connect your USB-C devices to your legacy serial equipment. It converts a USB-C port on your laptop or computer into an RS232 DB9 serial port with COM port retention. This gives you a cost-saving and convenient way to connect to serial devices such as point-of-sale terminals, serial modems, industrial equipment, and a wide variety of other RS232 peripherals.
Connect with ease
The RS232 adapter cable is compatible with Windows®, macOS and Linux® operating systems, which makes it easy to integrate into mixed environments.
Built-in convenience
A time-saving and convenient USB/serial solution, the adapter retains assigned serial COM port values in nonvolatile memory, allowing the same values to automatically be re-assigned to the adapter serial port if disconnected and reconnected, or disconnected from one USB port and installed in another.
The USB-C serial cable also supports advanced features like remote wake-up and power management control.
The ICUSB232PROC is backed by a StarTech.com 2-year warranty and free lifetime technical support.
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Learn MoreRegular Price: $35.71
Special Price $27.71
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StarTech.com 3ft (91cm) 1-Port USB to RS232 DB9 Serial Adapter Cable, USB to Serial Adapter Cable - M/M - USB to serial DB9 adapter - Cable features a converter chip on the USB end - Overcomes the 15ft. technical limit of USB cables - Connect modern compu
The ICUSB232SM3 3ft USB to Serial Adapter Cable lets you connect DB9 RS232 serial devices to your Mac® or PC laptop or desktop computer through an available USB port, as though the computer offered an onboard DB9M connector.
Unlike typical USB to serial converter cables where the conversion takes place at the DB9 end, the StarTech.com ICUSB232SM3 features a converter chip on the USB end. Converting at the USB source overcomes the 15ft. technical limit of USB cables, allowing for a much greater serial DB-9 extension cable (50ft.+ is possible depending on the application) if necessary.
Simple to install and use, this USB to Serial adapter is a cost-effective solution that bridges the compatibility gap between modern computers and legacy serial peripherals.
Backed by a StarTech.com lifetime warranty and free lifetime technical support.
Learn MoreRegular Price: $31.92
Special Price $30.00
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StarTech.com 17in (43cm) 1-Port USB to RS232 DB9 Serial Adapter Cable, USB to Serial Adapter Cable - M/M - USB to serial RS232 adapter; USB Powered - Converts a USB port into an RS232 DB9 serial port - Compatible with Windows, Mac or Linux; Works with you
The ICUSB232V2 1 Port USB to Serial Adapter converts a USB port into an RS232 DB9 serial port to connect to, monitor, and control a serial device.
Supporting data transfer rates up to 921.6 Kbps, the USB to serial cable is a convenient and cost-saving solution for providing serial connectivity to devices such as point-of-sale terminals, serial modems, industrial equipment, and a wide variety of other RS232 peripherals.
The USB to RS232 converter is easy to install and offers broad operating system compatibility, including Windows® 8 and later, Linux and Mac OS®, for easy integration into mixed environments.
Backed by a StarTech.com 3-year warranty and free lifetime technical support.
Learn MoreRegular Price: $23.63
Special Price $19.43
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StarTech.com 6ft (1.8m) 1-Port Professional RS422/485 USB Serial Cable Adapter with COM Retention, USB to RS422 Adapter - TAA - Straight-Through USB to RS422/485 adapter - Small form factor and USB powered - Simple install / operation with COM port retent
The ICUSB422 6ft Professional RS422/485 USB Serial Cable Adapter with COM Port Retention lets you connect RS422 or RS485 serial devices to your USB-enabled computer. The adapter features a 9-pin (DB9) male serial connector as well as dipswitch controls for easy port configuration, and requires minimal software.
The serial adapter is USB-powered, eliminating the aggravation of requiring an external power adapter. With COM port retention, assigned port settings are saved, so you can disconnect and reconnect the adapter with virtually no configuration required on the host computer.
The ICUSB422 is backed by a StarTech.com 2-year warranty and free lifetime technical support.
Learn MoreRegular Price: $78.67
Special Price $73.95
