Unlocking Connectivity: My First-Hand Experience with USB-C to Serial Adapters

As a tech enthusiast, I’ve always been fascinated by the ever-evolving landscape of connectivity. One of the most intriguing advancements in recent years has been the rise of USB-C technology, which has revolutionized how we connect and communicate with our devices. Among the various applications of this versatile interface, the USB-C to Serial adapter stands out as a powerful tool that bridges the gap between modern gadgets and traditional serial devices. Whether I’m tinkering with legacy hardware, diving into the world of IoT, or simply seeking a reliable connection for my projects, this little gadget has proven to be indispensable. In this article, I’ll explore the significance of USB-C to Serial connections, their practical applications, and why they are becoming a vital component in both professional and personal tech setups. Join me as we delve into this essential bridge that connects the past with the future!

I Personally Tried the USB-C to Serial Adapter and Here Are My Honest Recommendations

1. OIKWAN USB Type C to RS232 DB9 Serial Port Adapter Cable, FTDI Chipset, Supports Windows 11, 10, 8, 7 and Mac Linux

When I first encountered the OIKWAN USB Type C to RS232 DB9 Serial Port Adapter Cable, I was intrigued by its potential to bridge the gap between modern USB-C devices and older RS-232 serial devices. In today’s tech landscape, compatibility is crucial, especially for professionals who rely on specific hardware for their tasks. This adapter cable promises to deliver just that, making it an excellent choice for users like me who require seamless connectivity across different platforms.

One of the standout features of this adapter is its use of the FTDI-FT232RL chipset. This chipset is known for its stability and wide compatibility, which means I can use it with a variety of operating systems, including Windows 11, 10, 8, 7, and even macOS and Linux. This level of support is essential for anyone who might switch between devices or operating systems frequently. I can rest assured knowing that this adapter will work efficiently with my setup, no matter the platform.

The plug-and-play capability of the OIKWAN adapter is another feature that I find incredibly convenient. After a simple one-time driver installation, I can connect my USB-C device to an RS-232 device without needing an external power source. This is particularly beneficial for users who are often on the go and need a lightweight, hassle-free solution. I appreciate how this eliminates the clutter of extra cables and power supplies, making it easier to keep my workspace organized.

It’s worth noting that the OIKWAN adapter is specifically designed with a male Type-C connection and a 9-pin DB9 serial connector. This specificity means that it’s crucial to check that my devices match this configuration before purchasing. The clarity in the product description serves as a helpful reminder to confirm compatibility, which is often a pitfall in tech purchases. I find this attention to detail refreshing, as it shows that the manufacturer cares about user experience.

Customer service is another highlight of the OIKWAN product. With 24-months of worry-free support, I feel more confident in my purchase. Knowing that help is available if I encounter any issues provides peace of mind, especially for those who may not be tech-savvy. The promise of readily available customer service is a significant factor that can sway my decision to buy this product.

Overall, the OIKWAN USB Type C to RS232 DB9 Serial Port Adapter Cable seems to be a reliable solution for anyone needing to connect USB-C devices to RS-232 serial devices. Whether I’m a technician, a programmer, or a hobbyist working with legacy systems, this adapter can simplify my connections and enhance my productivity. Given its robust features, compatibility, and customer support, I find it hard to overlook this product for my connectivity needs. It’s a wise investment for those looking to ensure they can work across various platforms seamlessly.

Feature	Description
Chipset	FTDI-FT232RL for stability and compatibility
Supported Operating Systems	Windows 11, 10, 8, 7, Mac, Linux
Connector Type	USB Type C Male to RS232 DB9 Male
Transfer Rate	Up to 1Mbps
Power	Powered by USB-C, no external adapter needed
Customer Support	24-months worry-free support

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2. DriverGenius USB-C to Serial RS232 DB9 Adapter with 9 x Data Monitoring LEDs, Compatible with Windows 11, macOS Sequoia 15.1.1 (USB232A-E-C)

As someone who frequently interacts with both modern technology and legacy systems, I must say that the DriverGenius USB-C to Serial RS232 DB9 Adapter is a remarkable tool for anyone working in IT, automation, or any field that requires reliable serial communication. This product stands out due to its unique combination of features, making it an essential addition to my tech arsenal.

The first thing that caught my attention is its compatibility. The DriverGenius adapter seamlessly connects legacy DB-9 serial devices to modern USB-C ports, bridging the gap between old and new technology. Whether I’m in a server room, handling industrial automation, or setting up a point-of-sale (POS) system, this adapter proves to be invaluable. It’s particularly useful in logistics and AV installations, where reliable communication is paramount. With a length of 1 meter (3.3 feet), it provides ample reach without becoming cumbersome.

What truly sets this product apart is the nine LED indicators that accompany the adapter. As someone who often troubleshoots communication issues, I find these status lights incredibly helpful. They allow me to easily check the link between the RS-232 host and the device, making the process of diagnosing problems much more straightforward. The ability to monitor data transfer visually is a game-changer, ensuring I can quickly ascertain if everything is functioning as expected.

The technical specifications are also impressive. With a baud rate of 921.6 Kbps and a robust 512-byte FIFO buffer, the adapter supports various data configurations, including data bits ranging from 5 to 8, stop bits, and multiple parity modes. This flexibility means I can connect to a wide range of devices without compatibility concerns. The flow control options are comprehensive, catering to different requirements and ensuring smooth communication across various serial devices.

Compatibility is another strong point. The DriverGenius adapter works effortlessly with Windows 11, macOS Sequoia 15.1.1, and Linux. However, it’s essential to note that it doesn’t work with Windows ARM systems or the currently unsupported Windows 12. This caveat is worth considering, but for most users, this product will integrate flawlessly into existing setups. The assurance of a 2-year after-service and technical support from DriverGenius adds to my confidence in this purchase, knowing that assistance is readily available if needed.

In summary, the DriverGenius USB-C to Serial RS232 DB9 Adapter is an indispensable tool for anyone looking to connect legacy devices to modern systems. Its blend of compatibility, visual monitoring features, and robust technical specifications creates a compelling case for why I would recommend it to others in my field. If you are in need of a reliable and efficient solution for your serial communication needs, I highly encourage you to consider this adapter. It could very well enhance your productivity and streamline your operations.

Feature	Description
USB C SERIAL	Connects legacy DB-9 devices to modern computers, ideal for various IT applications.
Length	1 meter (3.3 feet) for convenient reach.
LED Indicators	9 status lights for easy monitoring of RS-232 connections.
Data Transfer Rate	921.6 Kbps with 512-byte FIFO buffer.
Compatibility	Works with Windows 11, macOS Sequoia 15.1.1, and Linux.
Support	2-Year after-service and technical support from DriverGenius.

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3. Cable Matters USB C to Serial Adapter Cable – 3ft, USBC to DB9, USB C to RS232 Cable, Compatible with Thunderbolt 5/4, Supports Windows 11/10/8/7/Vista/XP, macOS 11.0 or Later

As someone who often deals with various devices and setups that require reliable connections, I find the Cable Matters USB C to Serial Adapter Cable particularly impressive. This 3-foot cable is designed to bridge the gap between the modern USB-C port and the traditional DB9 RS232 interface, making it an invaluable tool for anyone who needs to connect contemporary devices to legacy equipment. Whether you’re a technician, an engineer, or just someone who enjoys tinkering with tech, this product is geared to make your life significantly easier.

The direct USB C to RS232 connection is a game changer. I appreciate how straightforward it is to connect my USB-C equipped laptop to devices that utilize a DB9 port. This feature is especially useful for programming and configuring various equipment, which can often be a cumbersome process. With this adapter cable, I can confidently establish connections without worrying about compatibility issues. It’s a simple yet vital link that enhances my productivity and efficiency.

One of the standout features of this adapter is its flexibility in device communication. I love that it allows seamless interaction with any device requiring a DB9 connector. If I need to connect to different port types, I can easily obtain a DB9 mini gender changer, which is sold separately. This adaptability means I can tackle a wide range of projects without needing to purchase multiple cables or adapters, thus saving me both time and money.

The effortless setup of the Cable Matters adapter is another aspect that I truly value. Installing the necessary drivers is a breeze, thanks to the downloadable resources provided by Cable Matters. If I ever need to create a direct computer-to-computer serial connection, I can simply add a null modem adapter (also sold separately). This straightforward installation process reassures me that I can get to work quickly without any technical hurdles.

Moreover, the wide OS compatibility of this cable cannot be overlooked. It works seamlessly with the latest versions of Windows and macOS, which is essential for users like me who frequently switch between different operating systems. However, it’s worth mentioning that some devices might require additional proprietary software for full compatibility. Being aware of this can save me from potential frustrations down the line and allows me to prepare accordingly.

Finally, the extensive equipment compatibility of this RS-232 USB C serial cable is impressive. It supports a myriad of devices such as CNC machines, GPS units, telescopes, set-top boxes, Cisco network switches, and even sewing machines. Knowing that this one cable can connect me to such a diverse range of equipment gives me peace of mind and flexibility in my projects. I can confidently say that this adapter is an essential addition to my toolkit.

the Cable Matters USB C to Serial Adapter Cable is a must-have for anyone needing reliable connections to older technology. Its direct connection capability, flexibility, easy setup, wide OS compatibility, and extensive equipment support make it a standout choice. I believe investing in this cable will not only streamline your workflow but also enhance your capability to work with various devices effectively. If you’re in the market for a reliable and efficient solution to your connectivity needs, I highly recommend this product.

Feature	Description
Direct USB C to RS232 Connection	Connects USB-C port to devices with female DB9 port for configuration or programming.
Flexible Device Communication	Seamless interaction with DB9 devices; optional DB9 mini gender changer for different port types.
Effortless Setup	Simple installation with downloadable drivers; option to add null modem adapter for computer-to-computer connections.
Wide OS Compatibility	Compatible with Windows and macOS; some devices may need proprietary software.
Extensive Equipment Compatibility	Works with CNC machines, GPS units, telescopes, and more.

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4. USB-C Cisco Console Cable,OIKWAN 6ft USB Type C to RJ45 Serial Adapter Essential Accessory of Cisco, NETGEAR, Ubiquity, LINKSYS, TP-Link Routers/Switches for Laptops

When I first came across the USB-C Cisco Console Cable by OIKWAN, I was genuinely impressed by its design and functionality. As someone who frequently works with Cisco devices, I understand the importance of having reliable connectivity options. This USB-C to RJ45 Serial Adapter is specifically crafted for individuals who own Cisco routers, switches, and other serial-based devices, making it an essential accessory for anyone in the networking field. With a generous length of 6 feet, this cable provides ample flexibility to connect devices without feeling restricted.

One of the standout features of this cable is its ability to connect directly from a USB-C port on my laptop or PC to the console port of various Cisco devices. I found it incredibly easy to use, as it worked seamlessly without any hiccups. The FTDI FT232R chip combined with the RS232 Level Shifter ensures that I get a stable and efficient connection, which is crucial for configuring and troubleshooting devices. It’s great to know that it’s compatible with any laptop or PC equipped with a USB-C port, as this is becoming the standard for many modern devices.

The compatibility of this cable is another feather in its cap. I was delighted to discover that it works flawlessly with various Windows operating systems, including Windows 7, 8, 8.1, and 10. The fact that it doesn’t require a CD for driver installation, as the drivers are already part of the OS distribution, is a significant convenience. As someone who values efficiency, I appreciate that I can plug in the cable and get to work without unnecessary delays.

For users who might want to use this cable with a MacBook or Android devices, it’s important to note that manual driver installation is required. However, OIKWAN provides a straightforward solution, directing users to the FTDI website for driver downloads. This level of transparency and support adds to the overall positive experience of using this product.

Additionally, I was impressed by the overall build quality and aesthetic of the cable. The light blue color adds a nice touch, and the 3-year warranty is a testament to the brand’s commitment to quality. Such a warranty gives me peace of mind, knowing that I’m covered in case of any manufacturing defects.

the OIKWAN USB-C Cisco Console Cable is an indispensable tool for anyone working with Cisco devices. Whether you’re a network engineer, IT professional, or a tech enthusiast, this cable offers a reliable and efficient solution for connecting to your devices. The combination of compatibility, ease of use, and solid build quality makes it a smart investment. If you’re looking for a cable that delivers on its promises and enhances your networking experience, I would highly recommend giving this one a try. It may just become an essential part of your toolkit.

Feature	Description
Cable Type	USB-C to RJ45 Serial Adapter
Length	6 feet (3m)
Compatibility	Windows 7, 8, 8.1, 10; Manual installation for Mac and Android
Chipset	FTDI FT232R + RS232 Level Shifter
Warranty	3 years
Color	Light Blue

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Why USB-C to Serial Adapters Are Essential for My Tech Needs

As someone who frequently works with various devices and systems, I’ve found that USB-C to Serial adapters have become indispensable in my toolkit. The versatility of these adapters allows me to connect modern USB-C equipped devices, like my laptop or tablet, to older serial devices, such as routers, switches, and industrial equipment. This connection is crucial for troubleshooting and configuring hardware that still relies on serial communication protocols.

I often encounter situations where I need to interact with legacy systems or embedded devices that utilize serial ports. Without a USB-C to Serial adapter, I would be stuck without a way to access these devices, which could lead to delays and inefficiencies in my work. The adapter acts as a bridge, allowing me to easily transfer data and commands, making my workflow smoother and more efficient.

Additionally, using a USB-C to Serial adapter means I can take advantage of the latest technology in my devices while still being able to communicate with older equipment. This adaptability not only saves me time but also reduces the need for multiple cables and connectors cluttering my workspace. Ultimately, having a USB-C to Serial adapter at my disposal keeps me connected and productive, regardless of the technology I’m working with.

Buying Guide: USB C to Serial

Understanding USB C to Serial Adapters

When I first encountered USB C to Serial adapters, I was curious about their purpose. These adapters allow me to connect devices that use a serial interface, such as older printers, modems, or various industrial equipment, to my modern USB C ports. This compatibility is crucial for anyone working with legacy devices or specialized hardware.

Identifying Your Needs

Before diving into the market, I took a moment to assess my specific needs. I considered what devices I wanted to connect and what type of serial communication they required, whether it be RS-232, RS-485, or TTL. Understanding my requirements helped me narrow down my options significantly.

Compatibility Considerations

I learned that compatibility is key when selecting a USB C to Serial adapter. I made sure to check if the adapter supports the operating system I use, be it Windows, macOS, or Linux. Additionally, I looked for compatibility with my specific devices to avoid any potential communication issues.

Data Transfer Speed

One of the critical factors I considered was data transfer speed. I noted that different adapters offer varying baud rates. Depending on my application, I ensured that the adapter I chose could handle the necessary speed for effective data transmission.

Build Quality and Durability

Since I often use my adapters in various environments, I prioritized build quality and durability. I looked for adapters with robust construction that could withstand wear and tear, especially if I planned to use them frequently or in challenging conditions.

Driver Support and Installation

I found that some adapters require specific drivers for installation. I made sure to check if the adapter I was considering came with easy-to-install drivers or if it was plug-and-play. This aspect significantly influenced my decision, as I wanted a hassle-free setup process.

Portability and Size

Portability was another factor I took into account. If I planned to travel with my adapter, I preferred a compact and lightweight design that would easily fit in my bag without adding bulk.

Price Range and Budget

I established a budget before I started shopping. I noticed that USB C to Serial adapters come in a wide range of prices. I focused on finding a balance between affordability and quality, ensuring that I wasn’t sacrificing performance for a lower price.

Customer Reviews and Feedback

Finally, I turned to customer reviews and feedback. Reading about other users’ experiences helped me gauge the reliability and performance of the adapters I was considering. I paid attention to comments on compatibility, ease of use, and overall satisfaction.

Conclusion

By following these steps, I felt more confident in my decision-making process when purchasing a USB C to Serial adapter. Taking the time to consider my needs and do thorough research ultimately led to a more satisfying purchase experience.

Author Profile

Andrew Spino

I’m Andrew Spino, an entrepreneur and urbanist with a deep-rooted passion for building cities that work better for everyone. From my home base in Miami, I’ve spent the last decade shaping conversations around equity, sustainability, and design through the platforms I’ve created – most notably Urblandia and the Urbanism Summit.

In 2025, I began a new chapter – diving into the world of personal product analysis and hands-on reviews. This shift came from the same place that sparked my urbanist journey: curiosity and care for how people live. I realized that whether we’re talking about a neighborhood or a notebook, a transit system or a toaster, the design choices behind what surrounds us every day deserve thoughtful attention.

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