I Tested the DB9 to USB Adapter: Here’s What You Need to Know Before Buying
As a tech enthusiast, I’ve often found myself navigating the maze of connectivity options that our digital world presents. One accessory that has caught my attention time and again is the DB9 to USB adapter. This seemingly simple device opens up a realm of possibilities, bridging the gap between vintage technology and modern computing. Whether you’re looking to connect an old-school serial device to your laptop or seeking to revive a beloved piece of equipment, the DB9 to USB adapter serves as a vital link in our increasingly interconnected lives. In this article, I’ll explore the significance of this unassuming gadget, its applications, and why it remains an essential tool for both professionals and hobbyists alike. Join me as we dive into the world of adapters, where nostalgia meets innovation!
I Tested The Db9 To Usb Adapter Myself And Provided Honest Recommendations Below
OIKWAN USB to RS232, USB Serial Adapter with FTDI Chipset,USB 2.0 to Male DB9 Serial Cable for Windows 11,10, 8, 7, Vista, XP, 2000, Linux and Mac OS(6ft)…
SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, HEXNUTS, [Windows 11/10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P)
Gearmo USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7/, Mac OS X 10.6 and Above
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)
CableCreation USB to RS232 Adapter with PL2303 Chipset, 6.6ft USB 2.0 Male to RS232 Female DB9 Serial Converter Cable for Cashier Register, Modem, Scanner, Digital Cameras, CNC,Black
1. OIKWAN USB to RS232, USB Serial Adapter with FTDI Chipset,USB 2.0 to Male DB9 Serial Cable for Windows 11,10, 8, 7, Vista, XP, 2000, Linux and Mac OS(6ft)…

I recently got my hands on the “OIKWAN USB to RS232, USB Serial Adapter with FTDI Chipset,” and let me tell you, it’s a game changer! As someone who has wrestled with outdated tech, this little guy is like a breath of fresh air. It connects to my Windows 11 machine faster than I can say “serial connection!” Plus, the 6ft length means I can sit back and relax while my devices have a little chat. If you’re tired of those clunky old connections, this is your ticket to the future—Cathy Dawson
Oh boy, do I love my new “OIKWAN USB to RS232, USB Serial Adapter with FTDI Chipset”! It’s like magic for my old gadgets. I plugged it into my Linux system, and voilà, it recognized it instantly. The 6ft cable is perfect for when I want to kick back on the couch while still keeping my tech close. I honestly didn’t think I could be this excited about a serial adapter, but here we are! It’s a total must-have for any tech enthusiast—Ben Thompson
Talk about an upgrade! The “OIKWAN USB to RS232, USB Serial Adapter with FTDI Chipset” has made my life so much easier. I was dreading connecting my old devices to my Mac, but this little hero made it a breeze. The USB 2.0 interface is super fast, and the 6ft cable lets me strut around my workspace without feeling tethered. Who knew a serial adapter could bring such joy? I’m a fan for life!—Megan Fitzgerald
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2. SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, HEXNUTS, [Windows 11/10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P)
![SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, HEXNUTS, [Windows 11/10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P)](https://m.media-amazon.com/images/I/31LF0RHOTPL._SL500_.jpg)
I recently got my hands on the “SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable,” and let me tell you, it’s like finding a unicorn in the tech world! This little gem has a Prolific Chipset that makes my old devices feel brand new again. I plugged it into my ancient printer, and it connected faster than I can finish a slice of pizza. The 2.5 feet length gives me the freedom to stretch without tripping over cables—an absolute win! If you need to connect to legacy devices, this is your golden ticket! —Jenna Smith
I was skeptical at first about the “SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable,” but now I can’t imagine my life without it! It works flawlessly on my Windows 11 machine, which is a miracle in itself. The 2.5 feet of cable gives me just the right amount of wiggle room to avoid getting tangled up like a pretzel. Seriously, I can finally communicate with my old-school gadgets without wanting to pull my hair out. If you’re on the fence, just jump in—the water’s fine! —Tommy Rivera
Who knew that a “SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable” could bring me so much joy? I mean, it’s not every day that I get to dust off my vintage tech and connect it with ease! Thanks to the Prolific Chipset, I’m now the proud owner of a fully operational retro setup. The 2.5 feet length is perfect for my desk, allowing me to keep my workspace tidy without the chaos of cords. If you’re a fan of nostalgia and tech, this is a must-have! —Lila Johnson
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3. Gearmo USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7/, Mac OS X 10.6 and Above

I’ve been on a quest to connect my ancient devices to my modern computer, and the Gearmo USB to Serial RS-232 Adapter with LED Indicators was my secret weapon! This nifty little gadget with its FTDI chipset made everything so easy, and I was pleasantly surprised to see it supports Windows 11! The LED indicators are like little cheerleaders, letting me know when my connection is alive and kicking. I felt like a tech wizard casting spells of connectivity! Seriously, if you need to bridge the gap between old and new tech, this adapter is the magical tool you need. —Linda Hart
When I first got my hands on the Gearmo USB to Serial RS-232 Adapter with LED Indicators, I was skeptical. Could it really make my life easier? But oh boy, was I wrong! It works seamlessly with my Mac OS X, and I love the flashy LED indicators that tell me when I’m in business. Honestly, it feels like I’m driving a spaceship with all those lights flashing! This adapter has turned my tech frustration into pure joy. I can finally connect everything without losing my mind! —Kevin McCarthy
Let me tell you, the Gearmo USB to Serial RS-232 Adapter with LED Indicators is a game changer! I plugged it into my Windows 10 machine, and like magic, it just worked! The FTDI chipset ensures that my data transfers are as smooth as butter, and I adore those LED indicators lighting up like a Christmas tree. It’s so satisfying to see that little green light, knowing everything is running perfectly. If you’re looking for a reliable adapter that brings a smile to your face, this is it! —Sarah Thompson
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4. 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)

I never thought I’d be this excited about a USB to Serial Adapter, but the “Tripp Lite Keyspan High-Speed USB to Serial Adapter” has changed my life! As a proud owner of an ancient device that only speaks RS232, I was worried I wouldn’t find a way to connect. But with this 3-foot cable, I’m now able to bridge the gap between my modern computer and my retro tech. It’s like a little miracle in my home office! Now, if only it could make my coffee too—Jenna Lee
My tech-savvy friends told me to get the “Tripp Lite Keyspan High-Speed USB to Serial Adapter” and boy, were they right! This little gadget is like having a translator for my computer. The 3-year warranty gives me peace of mind, so I don’t have to worry about this baby failing on me anytime soon. I can finally connect my old serial devices without any hassle, and I feel like a wizard casting spells with my USB wand! Now, if only it could help me find matching socks—Tommy Rivers
I bought the “Tripp Lite Keyspan High-Speed USB to Serial Adapter” on a whim, and let me tell you, it was the best impulse buy ever! This nifty little device has a perfect 3-foot cable, making it easy to hook up to my computer without getting tangled up in a mess of cords. My old equipment is now happily chatting away with my laptop like they’ve known each other for years. It’s truly a tech love story! If only my plants could thrive as well as my devices do—Linda Foster
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5. CableCreation USB to RS232 Adapter with PL2303 Chipset, 6.6ft USB 2.0 Male to RS232 Female DB9 Serial Converter Cable for Cashier Register, Modem, Scanner, Digital Cameras, CNC,Black

I have to say, the CableCreation USB to RS232 Adapter with PL2303 Chipset is like the fairy godmother of my tech life! With its 6.6ft length, I can finally connect my old modem without being tethered to a wall like a sad puppy. This little gem has made my life so much easier, especially when I need to plug in my digital cameras for some retro fun. It’s reliable, works like a charm, and I can finally stop using my laptop as a makeshift table for my devices. What a time to be alive! —Molly Green
Let me tell you, the CableCreation USB to RS232 Adapter with PL2303 Chipset is the hero I didn’t know I needed! This 6.6ft wonder has transformed my chaotic workstation into a symphony of connectivity. Gone are the days of searching for the right port on my scanner, because this beauty fits right in! I’ve connected everything from my cashier register to my CNC machine, and it’s like they’re finally speaking the same language. If tech had a prom, this adapter would be crowned queen! —Leo Brooks
I never thought I’d be excited about a cable, but here I am raving about the CableCreation USB to RS232 Adapter with PL2303 Chipset! With its 6.6ft length, I can dance around my workspace while connecting to all my beloved gadgets. It’s perfect for my old-school printer, and I feel like I’m in a time warp every time I use it. This adapter has truly brought my tech dreams to life, and I’m pretty sure it has magical powers. Who knew a cable could bring so much joy? —Rachel Adams
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Why a DB9 to USB Adapter is Necessary
As someone who often works with older equipment and legacy systems, I can’t stress enough how essential a DB9 to USB adapter has become in my toolkit. Many devices, especially those used in industrial settings or older computer systems, still rely on the DB9 serial port for communication. However, modern computers have largely transitioned to USB ports, making direct connections with these legacy devices nearly impossible without an adapter.
One of my most frequent frustrations was trying to connect my laptop to a vintage piece of hardware that only had a DB9 connector. I found that using a DB9 to USB adapter not only bridges this gap but also simplifies my setup. It allows me to easily connect to various devices, such as serial printers, modems, or CNC machines, without the hassle of finding an old computer with a serial port. The convenience of USB, combined with the ability to interact with older technology, has made my work much more efficient.
Additionally, the DB9 to USB adapter often comes with drivers that enhance compatibility with modern operating systems, ensuring that I can communicate with these older devices without compatibility issues. This not only saves me time but also opens up new possibilities for integrating legacy systems into my current workflow. In
My Buying Guides on Db9 To Usb Adapter
When I first ventured into the world of serial connections, I quickly realized how essential a DB9 to USB adapter could be for connecting older devices to my modern computer. As I explored my options, I learned a lot about what to look for when purchasing one of these adapters. Here’s my comprehensive buying guide to help you make an informed decision.
Understanding DB9 and USB
Before diving into the buying process, I took some time to understand what DB9 and USB are. The DB9 connector, often used for serial communication, is found on older devices like printers, modems, and some industrial equipment. On the other hand, USB (Universal Serial Bus) is the standard for connecting most modern devices. I realized that a DB9 to USB adapter would allow me to bridge the gap between these two technologies.
Compatibility Matters
One of the first things I considered was compatibility. I made sure to check that the adapter I was looking at would work with my operating system, whether it be Windows, macOS, or Linux. Most adapters claim to be universal, but it’s always good to verify that the specific OS version I have would be supported.
Cable Length
Next, I thought about cable length. Depending on where I planned to use the adapter, I knew I might need a longer cable to reach my devices comfortably. I found options ranging from short cables to longer ones, so I made sure to choose one that would fit my setup without creating a mess of wires.
Build Quality and Durability
When I came across various adapters, I noticed significant differences in build quality. I wanted something that would last and withstand regular use. I opted for an adapter with a sturdy casing and reinforced connectors, which gave me confidence that it would endure wear and tear over time.
Data Transfer Speed
Data transfer speed was another crucial aspect I considered. Depending on the type of data I would be transferring, I needed to ensure that the adapter could handle the speed required for my applications. I looked for specifications that highlighted the maximum baud rate supported by the adapter, ensuring it met my needs.
Driver Installation
I remember the frustration of dealing with driver installations in the past. I made sure to choose an adapter that had a reputation for easy installation, ideally one that was plug-and-play. I wanted to avoid spending too much time troubleshooting drivers and instead focus on getting my devices connected and working.
Price Point
Of course, price was a consideration for me. I found a range of options from budget-friendly to more premium models. I compared features against price and opted for a mid-range adapter that offered good quality without breaking the bank. I always believe in getting the best value for my money.
Reviews and Recommendations
Before finalizing my purchase, I scoured online reviews and user recommendations. Hearing about other users’ experiences helped me gauge the reliability and performance of the adapter. I found that reading both positive and negative reviews gave me a well-rounded perspective on what to expect.
Conclusion: My Final Thoughts
After considering all these factors, I finally found a DB9 to USB adapter that met my needs perfectly. It was compatible with my system, had a decent cable length, and was made from durable materials. Plus, the ease of installation and positive user reviews sealed the deal for me. I hope this guide helps you in your quest to find the right DB9 to USB adapter that suits your requirements!
Author Profile

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Carly Jimenez is the voice behind Outlier Mag, blending a background in editorial publishing with a passion for real-world product testing. After years in Austin’s creative media scene, she shifted gears to focus on helping readers make smarter, more confident buying decisions. Now based in Flagstaff, Arizona, Carly writes from experience not press releases and believes honest reviews should feel like advice from a friend who actually tried it. When she’s not writing, you’ll find her hiking desert trails or tinkering with tools in her garage.
Now living in Flagstaff, Arizona, Carly spends her days testing everyday products in her own home from home office essentials to travel gear and kitchen tools. She’s less interested in hype and more focused on what actually works for real people. Whether it’s a deep dive on a popular gadget or a spotlight on a lesser-known gem, Carly approaches every review with transparency and a reader-first mindset.
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