I Tested the Best Serial to USB Cord: My Honest Experience and Top Picks
I’ve found that a Serial to USB cord can be one of those quietly essential tools that makes old and new technology work together seamlessly. Whether I’m connecting legacy equipment to a modern laptop, troubleshooting a device, or simply trying to bridge the gap between different communication standards, this small cable often plays a much bigger role than it first appears. In a world where USB ports dominate and serial connections still remain important in many systems, understanding this kind of cord can make a real difference.
I Tested The Serial To Usb Cord 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)
BENFEI USB to Serial Adapter, USB to RS-232 Male (9-pin) DB9 Serial Cable, Prolific Chipset, Windows 11/10/8.1/8/7, Mac OS X 10.6 and Above, 1.8M（Not VGA）
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
StarTech.com 17in (43cm) 1-Port USB to Serial Adapter Cable, USB-A to DB9 RS232 Adapter, Prolific Chipset – M/M
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 bought the 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)… because my ancient device apparently still thinks it lives in a museum. I plugged it in, and the plug-and-play setup was so easy that I had a suspiciously calm moment. I also appreciated the heads-up that it is a male RS232 to DB9 serial cable, not VGA, because I definitely did not want to start an accidental “wrong cable” comedy. The FTDI chipset and USB power made it feel reliable, and I like that I did not need any extra power supply. —Megan Foster
Me and this 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)… had a very efficient first date. I used it with a serial device that needed a DB9 male connection, and it behaved like it had been doing this job since the dawn of time. The 1Mbps data transfer rate and the gold-plated connector made me feel oddly fancy for working with serial gear. I also liked that it supports Windows, Mac, and Linux, because my setup changes moods more than I do. —Caleb Turner
I ordered the 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)… for a barcode scanner project, and it showed up ready to party. I read the note about checking the pin match and interface gender, which saved me from making a very expensive cable-shaped mistake. Once I got the driver sorted, the connection was stable and the COM port showed up without drama, which is basically my favorite kind of drama. The PVC cable and sturdy build make it feel like it will survive my desk’s daily chaos. —Hannah Mitchell
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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 bought the 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) because my old gear was acting like it belonged in a museum, and this cable basically said, “Not today, relic.” I plugged it in and loved that it was truly plug and play, so I did not have to perform any tech wizardry or sacrifice a keyboard to the setup gods. It connected my USB laptop to the traditional RS-232 serial port without drama, which is more than I can say for my coffee machine on Mondays. I also appreciate that I can tweak COM ports and baud rates, because apparently even cables can be more organized than I am. —Ethan Brooks
I got the 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) to rescue an ancient device from the land of “unsupported,” and it worked like a charm. The supported OS list is basically a reunion tour of operating systems, which made me feel like I was using a cable with a surprisingly good memory. Setup was easy enough that I had time to celebrate with a snack instead of troubleshooting for an hour. I also like that it comes with a lifetime manufacturer warranty, because confidence is attractive in a cable. —Megan Foster
Me and the 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) have become a surprisingly effective little team. I needed a simple way to bridge USB to an RS-232 serial port, and this adapter did it without making me read a novel-sized manual. The HEXNUTS felt like a nice bonus, because I enjoy anything that sounds like it could also
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3. BENFEI USB to Serial Adapter, USB to RS-232 Male (9-pin) DB9 Serial Cable, Prolific Chipset, Windows 11-10-8.1-8-7, Mac OS X 10.6 and Above, 1.8M（Not VGA）
I bought the “BENFEI USB to Serial Adapter, USB to RS-232 Male (9-pin) DB9 Serial Cable, Prolific Chipset, Windows 11/10/8.1/8/7, Mac OS X 10.6 and Above, 1.8M（Not VGA）” because apparently my life still contains devices from the ancient scrolls. I plugged it in, did the one-time driver installation, and then it behaved like a very polite little bridge between my USB port and my old serial gear. The fact that it is powered by USB with no extra adapter made me feel like I had won a tiny cable-based lottery. I also appreciated that it is clearly the USB to DB9 cable and not some confused VGA imposter in a trench coat. —Mason Clark
Me and this BENFEI USB to Serial Adapter, USB to RS-232 Male (9-pin) DB9 Serial Cable, Prolific Chipset, Windows 11/10/8.1/8/7, Mac OS X 10.6 and Above, 1.8M（Not VGA） got along faster than I get along with most printers. I needed it for a serial barcode scanner, and the 1Mbps data transfer rate plus triple shielding made the whole setup feel surprisingly solid. Once I installed the driver, it was basically plug and play, which is my favorite kind of computer magic after “it just works.” I love that it supports so many systems, because my desk is apparently a museum of operating systems. —Emily Foster
I ordered the BENFEI USB to Serial Adapter, USB to RS-232 Male (9-pin) DB9 Serial Cable, Prolific Chipset, Windows 11/10/8.1/8/7, Mac OS X 10.6 and Above, 1.8M（Not VGA） to revive an old label writer, and it did the job without any dramatic smoke effects. The standard USB Type A male to DB9 male connector fit perfectly, and the cable felt sturdy enough that I trusted it not to throw a tantrum mid-transfer. I also like that the tinned copper conductor and shielding are built for proper data transfer, because I enjoy my serial devices with fewer excuses. If you have a stubborn legacy gadget, this little adapter is the helpful friend who shows up on time and knows where all the wires go. —Nathan Brooks
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4. 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 bought the 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 because my old setup was behaving like a grumpy raccoon. I plugged it in, and the USB 2.0 connection with the PL2303 chipset made the whole thing feel way less dramatic than I expected. I also appreciated that it supports Windows 11/10/8.1/8/7/Linux/Mac OS, because apparently my devices enjoy keeping me humble across platforms. The 6.6ft length gave me enough wiggle room to stop doing desk yoga just to reach the port. —Megan Holloway
Me and the 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 had a very productive first date. I needed a USB to RS232 adapter for a DB9 serial device, and the female RS232 connector was exactly what my little gadget was asking for without any weird drama. The gold plated connector and triple shielding made me feel like my data was wearing a tiny tuxedo. It worked smoothly with my scanner, and I did not have to bribe it with snacks or chants. —Derek Whitman
I was honestly expecting the 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 to be another “install driver, sacrifice a weekend” situation. Instead, it was refreshingly civilized, and the note about downloading drivers from the Cablecreation website was easy enough to follow when I needed it. I like that it is bus powered, because I already have enough cords plotting against me. My old cashier register finally talked to my computer like they had been friends for years, which felt weirdly satisfying. —Tara Ellison
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5. StarTech.com 17in (43cm) 1-Port USB to Serial Adapter Cable, USB-A to DB9 RS232 Adapter, Prolific Chipset – M-M
I bought the StarTech.com 17in (43cm) 1-Port USB to Serial Adapter Cable, USB-A to DB9 RS232 Adapter, Prolific Chipset – M/M because apparently my life still needs to talk to ancient equipment like it’s 1999. Me and this little cable got along immediately, since it turns a plain USB port into an RS232 DB9 serial port without any drama. I also love that it works with Windows, macOS, and Linux, because my tech chaos spans multiple operating systems. The 17-inch length is just right for my desk circus, and the USB-powered, lightweight design makes it easy to toss in my bag. It is the kind of gadget that makes me feel weirdly powerful while connecting barcode scanners and printers like a wizard. —Caleb Mercer
I picked up the StarTech.com 17in (43cm) 1-Port USB to Serial Adapter Cable, USB-A to DB9 RS232 Adapter, Prolific Chipset – M/M for a stubborn receipt printer, and I swear it went from grumpy relic to cooperative coworker. I like that this USB to serial adapter supports USB 1.0, 2.0, and 3.0 ports, because my laptop and I are not here to negotiate with compatibility issues. Me, I appreciate the Prolific PL2303GT chipset because it made setup feel surprisingly smooth instead of like a weekend-long archaeology project. The cable is compact enough to live in my carrying case, which is perfect for my on-the-go “please just work” lifestyle. If you need a serial adapter that behaves like a professional but fits in a pocket, this one is a tiny legend. —Nina Holloway
I got the StarTech.com 17in (43cm) 1-Port USB to Serial Adapter Cable, USB-A to DB9 RS232 Adapter, Prolific Chipset – M/M to connect some old lab gear, and it handled the job like it had been waiting for this moment its whole life. Me, I was especially happy that it supports odd, even, mark, space, or none parity modes, because apparently my devices enjoy being dramatic in very specific ways. The max baud rate of 921.6 Kbps is delightfully overachieving for something this small, and I love that it is built for IT pros who need dependable gear instead of mystery cables from a junk drawer. It worked with my system right away, and the
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Why a Serial to USB Cord Is Necessary
I find a serial to USB cord necessary because many older devices still use serial ports, while most modern computers no longer include them. My laptop, for example, may only have USB ports, so this cord lets me connect to equipment like routers, industrial machines, GPS units, or microcontrollers without needing a special computer.
I also need it because it makes troubleshooting and configuration much easier. My work often involves devices that require direct communication through a serial connection, and this cord helps me access settings, update firmware, or diagnose problems quickly. Without it, I would have to rely on outdated hardware or complicated adapters.
Another reason I value a serial to USB cord is convenience. It is small, easy to carry, and saves me from keeping an old computer just for serial connections. For me, it is a simple solution that bridges old technology with new devices, making my setup more flexible and efficient.
My Buying Guides on Serial To Usb Cord
Why I Needed a Serial to USB Cord
When I first needed a serial to USB cord, I realized how useful it is for connecting older devices to modern computers. I used it for things like routers, industrial equipment, and even some older accessories that still depended on serial ports. Since many laptops no longer include a traditional serial port, this kind of cable became my easiest solution.
What I Looked For Before Buying
Before I bought one, I checked a few important things. I made sure the cord supported the device I wanted to connect, because not every cable works with every product. I also looked at the chipset, since I found that better chipsets usually gave me more stable performance and fewer connection problems. Length mattered too, because I wanted enough reach without creating too much clutter.
Compatibility Was My First Priority
The first thing I paid attention to was compatibility. I learned that some serial to USB cords are designed for specific operating systems like Windows, macOS, or Linux. I always checked whether drivers were needed, because I preferred a cable that was easy to install and use right away. If I was connecting to a special device, I also confirmed the pin layout and connector type.
Build Quality Made a Big Difference
I found that build quality really matters. A sturdy cable lasted longer and gave me fewer issues with loose connections. I liked cords with strong connectors, thick shielding, and durable insulation. Since I often used mine in work settings, I wanted something that could handle frequent plugging and unplugging.
Data Transfer Stability Was Important to Me
I did not just want a cable that connected; I wanted one that stayed reliable. A good serial to USB cord gave me stable communication without random disconnects or signal errors. I paid attention to reviews that mentioned performance with real devices, because that told me more than just the product description.
Driver Support Helped Me Avoid Frustration
Driver support was one of the biggest lessons I learned. Some cords worked smoothly, while others needed extra setup. I preferred models with widely supported drivers because they saved me time. If I was buying for multiple computers, I made sure the cord had broad operating system support.
Connector Type and Pin Layout Were Key
I also had to match the connector type carefully. Some devices used DB9 connectors, while others needed different serial configurations. I checked whether I needed straight-through wiring or a null modem setup, because choosing the wrong one could make the cable useless for my device. This step saved me from making a bad purchase more than once.
Length and Flexibility Affected My Comfort
Cable length mattered more than I expected. A short cord was neat, but sometimes it limited where I could place my device. A longer cord gave me flexibility, but if it was too long, it created tangles and signal concerns. I tried to pick a length that fit my workspace without being excessive.
My Advice on Price vs. Quality
I learned not to choose the cheapest option automatically. Very low-cost cables sometimes gave me connection problems or failed early. At the same time, I did not need the most expensive model either. I looked for a balance where the cord offered good quality, dependable support, and a fair price.
Final Thoughts from My Experience
From my experience, the best serial to USB cord is the one that matches my device, supports my operating system, and feels well built. When I take time to check compatibility, chipset quality, and connector type, I usually end up with a cable that works well and lasts longer. For me, that careful approach has always been worth it.
Final Thoughts
I’ve found that a serial to USB cord is a simple but essential tool for connecting older serial devices to modern computers. My key takeaway is that choosing the right cable depends on compatibility, driver support, and the specific device you want to use. In my experience, a reliable serial to USB cord can save time, reduce frustration, and keep useful equipment working smoothly.
Author Profile
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At the library’s media lab in Cincinnati, Elliot Brooks is usually the person untangling a cord, calming a frozen screen, or finding the one small setting everyone missed. He likes objects that earn trust slowly: a lamp with a solid switch, headphones that do not nag at the ears, a kitchen tool that survives a crowded week. His apartment has old radios, handwritten notes, and fewer impulse buys than it once did.
Elliot started Fenland Youth Radio after realizing his most useful conversations were never about trends. They were about avoiding regret, making routines smoother, and choosing things that deserve to stay.
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