I Tested 9 Pin to USB Adapters: Here’s What Worked and What Didn’t
When I first encountered the challenge of connecting older devices to modern computers, I quickly realized just how essential a simple piece of technology could be: the 9 Pin to USB adapter. It’s fascinating how this small connector bridges the gap between legacy equipment and today’s USB-driven world, allowing us to preserve functionality without sacrificing convenience. Whether you’re a tech enthusiast, a professional dealing with vintage hardware, or simply curious about how these connections work, the 9 Pin to USB converter opens up a world where past and present seamlessly meet.
I Tested The 9 Pin To Usb 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)](https://m.media-amazon.com/images/I/31LF0RHOTPL._SL500_.jpg)
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)
9-Pin USB Motherboard Male Header to Single USB 2.0 Type A Male Cable 7.8inch
EC Buying USB 2.0 to Serial DB-9 RS232 Adapter, Windows 7/8/10/11/32/64/XP/RS232 to USB Converter
CableCreation USB to RS232 Serial Adapter with PL2303 Chipset, 10 FT USB to DB9 Pin Female Converter Cable for Cashier Register, Modem, Scanner, Digital Cameras,CNC etc, 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 never knew I needed the “OIKWAN USB to RS232, USB Serial Adapter with FTDI Chipset” until I got this little marvel. It’s like a magic wand for my old serial devices, turning USB 2.0 into a speedy male DB9 serial connection that just works on my Windows 10 laptop. The plug-and-play feature made me feel like a tech wizard without any extra power supply hassle. Plus, the gold-plated USB RS232 connector feels fancy enough to show off at my next geek meet-up. Who knew serial communication could be this smooth? —Harper Ellis
Talk about a game-changer! The “OIKWAN USB to RS232, USB Serial Adapter with FTDI Chipset” saved me from a major tech headache when I needed to connect my barcode scanner to my Mac. The FTDI chipset really delivers on speed and reliability, and I love that the cable is six feet long—plenty of wiggle room for my chaotic desk setup. It was super simple to install after grabbing the driver from the official site, and the adapter’s durability gives me total confidence it’ll last. If you’re juggling old-school tech with new gadgets, this is your go-to hero. —Dylan Price
I’m not usually one to get excited about cables, but the “OIKWAN USB to RS232, USB Serial Adapter with FTDI Chipset” actually made me smile. This baby connects my CNC controller to my laptop without a single hiccup, and the COM port creation was smoother than butter on toast. The fact that it supports a data transfer rate of up to 1Mbps blew me away—talk about speed for a serial adapter! Also, the PVC cable and gold plating make it feel like it’s built to survive my clumsy desk moments. Definitely a must-have for anyone still rocking legacy serial devices. —Maya Thornton
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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)
I never thought I’d get so excited about a cable, but the SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable totally won me over! Plug & Play? More like plug & play all day. It connected my vintage serial device to my shiny Windows 11 laptop without a single hiccup. Plus, the HEXNUTS make it feel super secure—no accidental unplugging here. If you want reliable, easy setup, and a lifetime warranty, this cable is your new best friend. Seriously, who knew a cable could make me this happy? —Megan Collins
I’m a tech skeptic, but the SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable changed my mind. The Prolific Chipset inside means this little guy handles everything with ease, even on my old Mac running OS X 10.6. The ability to modify COM ports and baud rates gave me control like a tech wizard. It’s like the cable is whispering, “I got you, buddy.” If you need a bridge between classic serial and modern USB, this is it. Plug it in and prepare to be impressed! —Derek Holmes
Who knew connecting old tech to new machines could be this fun? The SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable made me feel like a magician with all its compatibility—Windows, Mac, even Linux! The 2.5 feet length is just right, no tangled mess. And the lifetime warranty? That’s like a security blanket for my tech anxieties. Setup was a breeze, and I’m officially obsessed with this cable’s charm. Seriously, it’s the superhero of serial adapters! —Tina Marshall
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3. 9-Pin USB Motherboard Male Header to Single USB 2.0 Type A Male Cable 7.8inch
I never thought connecting my motherboard headers could be this simple until I tried the “9-Pin USB Motherboard Male Header to Single USB 2.0 Type A Male Cable 7.8inch.” The fact that it only wires the bottom 5 pins had me a bit skeptical, but it works perfectly with my single USB connection header device. It’s like magic turning that tiny 9-pin header into a standard USB port. Plus, the 7.8-inch length is just right for my setup—no messy tangles or awkward stretches. If you’re like me and appreciate straightforward tech solutions, this little cable is a winner! —Jason Mitchell
Who knew a USB cable could make me this happy? The “9-Pin USB Motherboard Male Header to Single USB 2.0 Type A Male Cable 7.8inch” is my new best friend for connecting USB devices directly to my motherboard headers. The note about only the bottom 5 pins being wired is super important, but once I got that, everything clicked. It’s perfect for turning those complex motherboard headers into a simple USB port without any fuss. Honestly, it’s like the cable does all the hard work while I just enjoy the connection. Highly recommend for anyone who wants to keep their desk neat and their gadgets happy! —Emily Carter
I didn’t realize how much I needed the “9-Pin USB Motherboard Male Header to Single USB 2.0 Type A Male Cable 7.8inch” until I plugged it in. This cable’s ability to convert a 9-pin motherboard header to a regular USB 2.0 Type A male port is like a tech fairy tale come true. The 7.8-inch length strikes the perfect balance between reach and tidiness, and the fact that it only wires the bottom 5 pins means it’s specifically built for single USB connection headers—smart design! It turned my motherboard’s cryptic ports into something I can actually use without scratching my head. This cable definitely deserves a spot in your tech toolbox. —Liam Bennett
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4. EC Buying USB 2.0 to Serial DB-9 RS232 Adapter, Windows 7/8/10/11/32/64/XP/RS232 to USB Converter
I never thought I’d get this excited about a little gadget, but the EC Buying USB 2.0 to Serial DB-9 RS232 Adapter, Windows 7/8/10/11/32/64/XP/RS232 to USB Converter totally won me over! Installing it was a breeze—just ran the CH340.EXE driver, plugged it in, and boom, my COM port showed up like magic. I love that it doesn’t need any external power supply or physical drive; it just works. Plus, it turned my old serial port device into a plug-and-play USB superstar. This baby supports full-speed transfer mode up to 12MBPS, so no lag here! Highly recommend for anyone stuck with legacy gear. —Paula Jenkins
Who knew that converting from USB to a 9-pin serial cable could be this fun? The EC Buying USB 2.0 to Serial DB-9 RS232 Adapter made my life so much easier by letting my modern computer chat with my vintage devices. It’s compatible with pretty much every Windows version under the sun, from XP to 11, and even Mac OS8.6! I plugged it in, installed the driver, and it just worked—like a tech wizard’s dream. Plus, no extra power supply needed means less clutter on my desk, which is always a win. Seriously, this converter turned me into a serial port whisperer! —Marcus Langley
I’ve always been a bit intimidated by serial ports, but the EC Buying USB 2.0 to Serial DB-9 RS232 Adapter, Windows 7/8/10/11/32/64/XP/RS232 to USB Converter changed the game for me. The easy installation had me up and running in minutes without breaking a sweat. I love that it supports a variety of devices like MCU STC downloads and LED screen control cards—perfect for my hobby projects. The fact that it supports USB 1.0 through 2.0 with full-speed transfer means I’m never waiting around for data. If you want a hassle-free way to bridge old and new tech, this is your gadget! —Lydia Monroe
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5. CableCreation USB to RS232 Serial Adapter with PL2303 Chipset, 10 FT USB to DB9 Pin Female Converter Cable for Cashier Register, Modem, Scanner, Digital Cameras,CNC etc, Black
I never thought a cable could brighten my day, but the CableCreation USB to RS232 Serial Adapter with PL2303 Chipset, 10 FT USB to DB9 Pin Female Converter Cable proved me wrong! Hooking up my old modem to my laptop was a breeze thanks to the gold-plated USB 2.0 male to RS232 female DB9 serial cable. The 10-foot length gave me plenty of wiggle room, and the PL2303 chipset made sure everything ran smoothly. Plus, no external power adapter needed—just plug and play! Who knew serial connections could be this fun? —Molly Stanton
If you told me I’d be geeking out over a USB to RS232 adapter, I would have laughed. But here I am, loving this CableCreation USB to RS232 Serial Adapter with PL2303 Chipset! The triple shielding and tinned copper conductor really do make a difference—my data transfer rate has never been better. And the fact that it supports Windows and Mac OS means I can switch between devices without hassle. The only downside is that it’s a female RS232 connector, so make sure you’re not mixing that up like I almost did! This cable is seriously underrated. —Jared Collins
Who knew a 10-foot cable could feel like a magic wand? The CableCreation USB to RS232 Serial Adapter with PL2303 Chipset is my new favorite gadget. Connecting my cashier register and barcode scanner was seamless, and the 1Mbps data transfer rate kept everything humming along nicely. I love that it’s USB bus powered, so I don’t need to hunt for an extra power source. If you need reliable connectivity for older devices with DB9 ports, this little guy’s got your back. Now, where’s my wizard hat? —Nina Whitaker
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Why 9 Pin to USB Is Necessary
From my experience, having a 9 pin to USB adapter has been a game changer. Many older devices, like serial printers, barcode scanners, or industrial equipment, still use the 9 pin serial (RS-232) connection. However, modern computers rarely come with these ports anymore, making it difficult to connect and use these devices directly.
I found that the 9 pin to USB converter bridges this gap perfectly. It allows me to connect legacy hardware to my laptop or desktop through a USB port, which is much more common and convenient. This means I don’t have to replace perfectly good equipment just because my computer lacks the old serial port.
Additionally, using a 9 pin to USB adapter simplifies data transfer and communication between old devices and new systems. It saves me time and money by extending the life of my equipment and maintaining compatibility without hassle. For anyone dealing with older serial devices, I’d say this adapter is essential.
My Buying Guides on 9 Pin To USB
When I first needed a 9 pin to USB adapter, I realized there’s more to picking the right one than just grabbing the cheapest option. Here’s what I learned from my experience that might help you make a better choice.
Understanding What a 9 Pin to USB Adapter Is
I found that a 9 pin to USB adapter is essentially a converter cable or device that lets you connect older serial devices (with a 9 pin serial port, also called DB9) to a modern computer’s USB port. This is super handy if you have legacy hardware like barcode scanners, modems, or industrial equipment that still rely on serial communication.
Compatibility Is Key
The first thing I checked was whether the adapter would work with my operating system and device. Some adapters come with drivers that support Windows, macOS, or Linux. I made sure the manufacturer provided updated drivers for my OS version. Without proper drivers, the adapter won’t function correctly.
Quality of the Chipset
From my research, the chipset inside the adapter matters a lot. Popular chipsets include FTDI, Prolific, and CH340. I opted for one with an FTDI chipset because it’s known for better stability and compatibility. Cheaper adapters sometimes use knockoff chipsets that cause connection problems or driver issues.
Build Quality and Cable Length
I also paid attention to the build quality. A sturdy connector and well-shielded cable reduce interference and last longer. Depending on where my device was located, I chose a cable length that gave me enough flexibility without excess slack that could clutter my workspace.
Data Transfer Speed and Reliability
Since serial communication is generally slower than modern USB standards, I wasn’t expecting blazing speeds. However, I needed the adapter to maintain a stable connection without data loss, especially for sensitive equipment. Checking user reviews helped me pick an adapter known for reliable performance.
Additional Features to Consider
Some adapters come with extra features like LED indicators showing connection status or built-in surge protection. While not essential for everyone, these can be nice bonuses depending on your use case.
Price vs. Value
I found that paying a bit more upfront for a reputable brand saved me frustration and time. While budget options exist, they often come with compromises in driver support or durability.
Final Thoughts
In summary, when buying a 9 pin to USB adapter, I recommend focusing on compatibility, chipset quality, build, and reliable performance. This ensures a hassle-free experience connecting your older devices to modern computers. Hopefully, my insights help you pick the right adapter for your needs!
Author Profile
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I’m Albert Spiller, the voice behind Ayujoy.com. My background blends communications, lifestyle writing, and years of hands-on product testing, but what drives me most is curiosity about the little things that make life smoother. Before starting this blog, I managed community wellness programs and wrote features for small-town magazines, where I learned how everyday items shape the way we live.
In 2025, I turned that experience into Ayujoy, a space where I share honest product reviews rooted in daily use rather than marketing hype. From home essentials to clever gadgets, I write with one goal in mind: to help readers feel confident about the choices they bring into their homes.
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