Usb To Serial Adapter Cable 3ft Usb M To Db9/Db25 Rs232 M

Connect RS232 serial devices to your computer through a USB port

StarTech.com

Item #: 439042

Usb To Serial Adapter Cable 3ft Usb M To Db9/Db25 Rs232 M

Item #: 439042

BHD 12

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^{*All items will import from US}

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Connect RS232 serial devices to your computer through a USB port

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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Versatile Compatibility

Seamlessly connects various serial devices to USB, ensuring compatibility with a wide range of legacy equipment, enhancing flexibility for users needing reliable serial communication.

High-Quality Performance

Prolific chipset guarantees stable data transfer rates, minimizing communication errors and maintaining integrity for critical applications, ideal for professional and industrial environments.

Compact and Durable

The 3ft length offers portability while ensuring robust construction withstands daily use, making it perfect for both travel and permanent setups in any workspace.

Product Details

USB to serial adapter for connecting RS232 devices to a computer
Compatible with barcode readers, network switches, receipt printers, PLCs, and more
Ideal for IT applications such as server rooms, industrial control, logistics, and POS
Features 3ft cable length, max baud 230.4 Kbps, and supports Windows, macOS, and Linux
Prolific PL2303GC chipset, 512 Byte FIFO, and multiple parity and data bit modes
Backed by 2-year warranty and free lifetime 24/5 multilingual technical assistance

Compatible Devices	Laptop
Specific Uses For Product	personal
Connector Type	USB Type A
Number of Ports	1
Current Rating	1 Amps
Power Plug Type	No Plug
Smart Home Compatibility	Not Smart Home Compatible
Color	Gray
Finish	Grey
Item Dimensions	6.89 x 1.48 x 5.41 inches (17.5 x 3.8 x 13.7 cm)
Item Weight	3.2 ounces (90.72 grams)
Package Quantity	1
Unit Count	1.0 Count
Number of Items	1
Brand	StarTech.com
Model Number	ICUSB232DB25
UPC	065030840453
Global Trade Identification Number	00065030840453
Manufacturer	StarTech.com
Mfr Part Number	ICUSB232DB25
Built-In Media	StarTech 3' USB to RS232 DB9 Serial Adapter Cable with DB25 Adapter
Item dimensions L x W x H	6.89 x 1.48 x 5.41 inches (17.5 x 3.8 x 13.7 cm)

What's in the box

StarTech 3' USB to RS232 DB9 Serial Adapter Cable with DB25 Adapter

Who Should Buy?

Legacy Device Users
Ideal for users needing to connect older devices like printers or modems that require a serial connection.
Data Transfer Needs
Perfect for technicians requiring reliable data transfer between computers and serial devices in various setups.
Programming Environments
Great for developers and engineers programming and debugging serial devices or embedded systems.

Modern Systems
Not suitable for users needing connections exclusively with newer devices that use USB-C or wireless interfaces.
High-Speed Data
Ineffective for tasks requiring high-speed data transfer, as RS232 connections can be slower compared to newer technologies.
Casual Users
Not ideal for users who don’t require serial connections, as USB ports suffices for most modern peripherals.

Product Description

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Product Buying Guide

Customer Questions & Answers

Question: What devices are compatible with the StarTech.com USB to Serial Cable?

Answer: The StarTech.com USB to Serial Cable is compatible with various devices that utilize RS232 serial connections. This includes older printers, modems, industrial equipment, and even some legacy systems. The Prolific chipset used in this adapter ensures broad compatibility across different operating systems, making it ideal for connecting legacy devices to modern computers, laptops, or servers.
Question: Is installation of the USB to Serial Adapter complicated?

Answer: No, installation of the StarTech.com USB to Serial Adapter is straightforward. Simply plug the USB connector into your computer and connect the DB9 or DB25 end to your serial device. Most operating systems will recognize the adapter automatically and install the necessary drivers, allowing you to start using the connection without extensive configuration.
Question: How long is the cable of the StarTech.com USB to Serial Adapter?

Answer: The StarTech.com USB to Serial Adapter features a 3ft (91cm) cable, providing an adequate length for connecting devices without cluttering your workspace. This length is particularly useful in environments where devices are not immediately adjacent to the computer, allowing flexibility in device placement while maintaining a tidy setup.
Question: Can this adapter support high-speed data transfer?

Answer: Yes, the StarTech.com USB to Serial Cable can support standard serial data rates, making it suitable for typical use cases that demand reliable data transfer. While the specific speed will depend on the serial device connected, the adapter is designed to provide consistent performance, ensuring smooth communication for tasks such as data logging and serial device management.
Question: What is the significance of using a Prolific chipset in this adapter?

Answer: The Prolific chipset is known for its reliability and compatibility with a wide range of devices. Using this chipset in the StarTech.com USB to Serial Adapter ensures stable connections, accurate data transmission, and minimal latency, which is essential when interfacing with critical applications such as device programming and firmware updates.
Question: Is the StarTech.com USB to Serial Adapter driver-compatible with Windows, Mac, and Linux?

Answer: Yes, the StarTech.com USB to Serial Adapter provides driver support for Windows, Mac, and Linux operating systems. This cross-platform compatibility allows users to seamlessly integrate the adapter into varied computing environments, making it a versatile choice for professionals and hobbyists alike who may work with multiple systems.
Question: How does this USB to Serial Adapter handle device conflicts?

Answer: The StarTech.com USB to Serial Adapter is designed to manage device conflicts efficiently. It uses unique USB enumerations to assign different COM ports for each connected device, which prevents conflicts and allows multiple devices to be connected and used simultaneously, enhancing productivity in complex setups.
Question: Can this adapter be used for programming embedded systems?

Answer: Absolutely! The StarTech.com USB to Serial Adapter is frequently used for programming and debugging embedded systems that require a serial connection. Its reliable data transmission makes it suitable for tasks such as firmware updates and communication with development boards, enhancing the development process for engineers and hobbyists.
Question: What types of connectors does the StarTech.com USB to Serial Adapter have?

Answer: The StarTech.com USB to Serial Adapter features both DB9 and DB25 connectors, allowing it to interface with a variety of serial devices. This versatility means it can connect to different serial devices without the need for additional converters, making it a convenient choice for various applications, from industrial equipment to legacy computers.
Question: Where can I buy StarTech.com 3ft 91cm 1-Port USB to Serial Cable, DB9DB25 RS232 to USB Converter, Prolific, USB to Serial Adapter in Bahrain?

Answer: You can purchase the StarTech.com 3ft 91cm USB to Serial Cable at Ubuy. Ubuy is an excellent option for finding a variety of tech products, including high-quality cables and adapters like the StarTech.com USB to Serial Converter, ensuring a reliable shopping experience.

StarTech.com Serial Adapters ICUSB232DB25 Editorial Review

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Mohammad

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“Excellent quality and very fast delivery, I really appreciate your service, when you work good I will appreciate that, I am very satisfied, thank you”

13 June 2026 · via Trustpilot

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“The order arrived fast and in perfect condition”

2 June 2026 · via Trustpilot

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“Firstly the team who are very positive in response to any correction if something wrong. Secondly the quality and selection is exactly on what I ordered and which is perfect. Finally the time of delivery is very sufficient which made me comfortable. Overall is excellent.”

26 Feb 2026 · via Trustpilot

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“Good quality of product, delivered in 2 weeks. I thought it would take more time.”

21 Feb 2026 · via Trustpilot

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“Everything was fine. You can order from multiple stores or countries—just be patient with the shipping. Given their business model, this was my first order from them. Thank you, Ubuy.”

20 Feb 2026 · via Trustpilot

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Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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BHD 12

Order now and get it around Friday, July 10

QTY:

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Features & Benefits

High-quality USB to RS232 DB9/DB25 serial adapter cable
Allows you to connect 9-pin or 25-pin RS232 serial devices to your laptop or desktop computer
No additional cables required
Includes a DB-9 to DB-25 adapter
Plug-and-play functionality
Adds an RS232 serial port to your computer

Usb To Serial Adapter Cable 3ft Usb M To Db9/Db25 Rs232 M