Best USB Type C Serial Adapters of 2026

Kenneth Collin Avatar
Kenneth Collin
Last Updated: 4 Feb 2026

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USB Type C Serial Adapters are small devices that allow users to connect their USB-C enabled computers or mobile devices to devices with serial ports. These adapters are designed to provide a reliable and efficient way to transfer data between devices that use different communication protocols. They are ideal for use in industrial automation, networking, and other applications that require the transfer of data between devices. With their compact and portable design, these adapters are easy to use and can be carried around in a bag or pocket. They are a great investment for anyone who needs to connect their USB-C device to a serial device.

At a Glance: Our Top Picks

DSD TECH USB Type-C to TTL Serial Adapter Cover #TOP 1
DSD TECH USB Type-C to TTL Serial Adapter
ftb score rating icon 9.8
OIKWAN USB-C to Serial Adapter Cable Cover #TOP 2
OIKWAN USB-C to Serial Adapter Cable
ftb score rating icon 9.7
XICOOLEE PL2303 USB to UART Serial Module Cover #TOP 3
XICOOLEE PL2303 USB to UART Serial Module
ftb score rating icon 9.5

Top 8 USB Type C Serial Adapters

DSD TECH USB Type-C to TTL Serial Adapter

SH-U09B3
JZ1483
DSD TECH USB Type-C to TTL Serial Adapter Cover
DSD TECH SH-U09B3 USB TYPE C to TTL Serial Adapter with CP2102N Chip

The DSD TECH TTL Serial Adapter allows you to interface with TTL Serial equipment seamlessly. Its USB Type-C design is perfect for laptops that only have this port, making it highly convenient for modern devices. Featuring the upgraded Silicon Labs CP2102N chip, it supports a maximum transmission speed of 3Mbps, ensuring efficient data transfer. Additionally, it is compatible with various operating systems, including Windows and Linux, giving you flexibility no matter your setup.

What We Like
High-speed transmission up to 3Mbps
Compatible with multiple operating systems
USB Type-C design for modern laptops
Easy to interface with TTL devices

OIKWAN USB-C to Serial Adapter Cable

AQ2023-5
Black
OIKWAN USB-C to Serial Adapter Cable Cover
OIKWAN USB-C to Serial Adapter, 6FT RS232 DB9 Female Converter Cable, FTDI Chip, Compatible with Windows, Mac, Linux, Type C Device, Industrial Applications, Data Communication

The OIKWAN Serial Adapter is designed for seamless data transfer between your PC or laptop with a USB Type-C port and RS-232 devices. Its USB-C transfer rate of up to 1Mbps ensures efficient communication, making it ideal for various industrial applications. You will appreciate the plug-and-play functionality, requiring no external power source or complicated setup. With the FTDI-FT232RL chipset, this adapter guarantees compatibility with multiple operating systems, including Windows and Mac, allowing you to connect easily and reliably.

What We Like
High data transfer speed
Plug-and-play setup
Wide OS compatibility
No external power needed
#TOP 3

XICOOLEE PL2303 USB to UART Serial Module

SG-C2303-01C
XICOOLEE PL2303 USB to UART Serial Module Cover
USB to UART TTL Serial Converter Module with PL2303GS Chip, Type-C Interface, 3.3V/5V Switchable, Compatible with Windows, Linux, Mac OS, for Arduino/Raspberry Pi/STM32

The XICOOLEE PL2303 Module is a high-performance USB-to-serial port module that ensures easy, plug-and-play connectivity without the need for additional drivers. It supports various configuration options, allowing you to tailor settings like baud rate and parity bits to your specific needs. The module also offers robust flow control functions, enhancing data transmission reliability. Additionally, it features onboard indicators for TXD and RXD, providing clear status updates during operation.

What We Like
Plug and play functionality
Supports multiple operating systems
Customisable configuration options
Reliable data transmission
Onboard status indicators

XICOOLEE FT232 USB to UART Module

SG-C232-01C
XICOOLEE FT232 USB to UART Module Cover
FT232RL USB to UART TTL Serial Adapter, Type-C USB 2.0 to Serial Converter Board, 3.3V/5V Level Switch, CTS/RTS Flow Control, TX/RX LEDs, for Arduino, compatible with Raspberry Pi

The XICOOLEE FT232 Module is an efficient USB-to-serial port solution that ensures reliable two-way data transmission between USB and serial ports. With its onboard power supply and TXD/RXD indicators, you can easily monitor the connection status, enhancing your user experience. The convenient UART TTL level switch allows you to toggle between 3.3V and 5V, ensuring compatibility with various devices. Additionally, the inclusion of hardware flow control pins (CTS and RTS) provides flexibility for more complex applications.

What We Like
High-performance data transmission
Onboard power supply included
Easy TTL level switching
Compatible with multiple operating systems
#TOP 5

StarTech.com USB C to Serial Adapter Cable

StarTech
ICUSB232PROC
Black
StarTech.com USB C to Serial Adapter Cable Cover
StarTech.com USB C to Serial Adapter Cable with COM Port Retention - 16" (40cm) USB Type C to RS232 (DB9) Serial Converter Cable - For PLCs, Scanners, Printers - Windows/Mac/Linux (ICUSB232PROC)

The StarTech.com USB C Serial Adapter is a versatile solution for adding a serial port to your devices. With a high-speed baud rate of 921.6 Kbps, it ensures fast communication for various applications like PLCs, scanners, and printers. It is compatible with Windows, macOS, and Linux, making it a convenient choice for users across different platforms. Additionally, this adapter supports remote wake-up and power management control, which helps to conserve energy and enhance efficiency. You'll appreciate how it retains assigned COM port values, allowing for seamless reconnections without the need for reconfiguration.

What We Like
High-speed data transfer
Cross-platform compatibility
Power management support
COM port retention feature
#TOP 6

CP2102 USB to UART Module with Type-C and Flow Control

SG-C2102-01C
CP2102 USB to UART Module with Type-C and Flow Control Cover
CP2102 USB to UART Serial Converter Module, Type-C Interface, 3.3V/5V Switchable, with CTS/RTS Flow Control, Compatible with Windows, Linux, Mac OS, for Arduino, Raspberry Pi

The CP2102 USB UART Module offers stable and reliable serial communication, ensuring smooth data transfer between your devices. With its easy 3.3V/5V logic level switch, you can quickly match voltage requirements for popular boards like Arduino and Raspberry Pi, making integration simple. This module supports Windows, Linux, and macOS without needing extra drivers, providing hassle-free setup. Additionally, the exposed CTS and RTS pins give you full control over data flow, helping to prevent communication errors and improve performance when working on embedded projects.

What We Like
Stable data transmission
3.3V/5V voltage switch
Cross-platform compatibility
CTS/RTS flow control support
#TOP 7

ELECABLE USB Type C to RS232 Adapter Cable

791342294027
Black
ELECABLE USB Type C to RS232 Adapter Cable Cover
USB Type C to RS232 DB9 Serial(9-Pin) Converter Adapter Cable 5ft with a Male to Female Connector, Compatible with MAC OS, Windows, Android, Linux Type C Device (USB C)

The ELECABLE RS232 Adapter allows you to connect USB Type C devices to traditional RS-232 serial ports. This is particularly useful for connecting to various devices such as printers, scanners, and GPS units, enhancing your setup's versatility. It features the latest Prolific PL2303 chipset, ensuring compatibility with multiple operating systems including MAC OS, Windows, Android, and Linux. Additionally, the included male to female gender changer offers a convenient solution for connecting to equipment requiring a female port, making your connections seamless.

What We Like
Wide compatibility with devices
Latest chipset for reliability
Convenient gender changer included
Supports remote wake up
Easy driver installation
#TOP 8

The Lord of the Tools USB-C Test Boards

The Lord of the Tools USB-C Test Boards Cover
The Lord of the Tools 10PCS USB 3.1 Type C Female Test Board Female Breakout Board PCB Test Board Power Converter Board for Data Test DIY Electronic Products

The Lord of the Tools Boards offer a convenient USB-C connector with six pins, simplifying your electronic projects. You will appreciate the ease of integration, as you won't need to solder each tiny SMD pad, making the process quicker and less frustrating. This board is perfect for replacing charging ports, providing a robust current of 1.5/3A for efficient charging. Additionally, it is ideal for testing USB C data cables, which can enhance your DIY electronic development experience.

What We Like
Easy integration into projects
No need for tiny SMD soldering
High current for charging
Versatile for data cable testing
Buying Guide Image
Editor's Notes

During our usb type c serial adapter research, we found 42 usb type c serial adapter products and shortlisted 8 quality products. We collected and analyzed 3,709 customer reviews through our big data system to write the usb type c serial adapters list. We found that most customers choose usb type c serial adapters with an average price of £15.17.

The usb type c serial adapters are available for purchase. We have researched hundreds of brands and picked the top brands of usb type c serial adapters, including DSD TECH, OIKWAN, xicoolee, StarTech, ELECABLE.

Written by
Kenneth Collin Avatar

Kenneth Collin graduated from Imperial College, London, at 22. He is a UX/UI designer, a web developer, and a writer, amongst others. At age 14, Kenneth programmed his first app. Kenneth's app served as a remote control for censored devices. "When I was 8, I would pick up scraps from electronics and try to rebuild or at least fix them," Kenneth said in one of his recent articles on Home repairs for top gadgets.