Best USB 2.0 Serial Adapters of 2026

The OIKWAN USB Serial Adapter is a versatile tool that connects various serial devices to your computer. It supports multiple operating systems, including Windows, Mac, and Linux, making it easy for you to use with different devices. With its high-quality FTDI chipset, you can expect reliable and fast data transfer rates of up to 1Mbps. The plug-and-play feature simplifies installation, allowing you to start using it right away without any external power supply. Its durable design ensures longevity, making it a handy addition to your tech collection.

The WINGONEER CP2104 Converter is an ideal solution for your USB to TTL electronic projects. It features a standard USB type A male connector and a 6-pin TTL connector, making it easy to connect various devices. This module is compatible with numerous operating systems, including Windows and Mac, ensuring versatility for your needs. Additionally, it is designed for use in upgrading devices such as DVD players, hard disks, routers, and GPS systems, providing efficient performance across different applications.

The CABLEDECONN USB to RS232 is an essential adapter for connecting your computer's USB port to RS232 DB9 pin devices. With a straightforward plug-and-play installation, you can enjoy quick setup without hassle. This adapter features the latest Prolific PL2303 chipset, ensuring compatibility with various operating systems, including Windows and Mac. You will benefit from a 1Mbbps data transfer rate, making it ideal for connecting devices like modems and digital cameras, enhancing your productivity and convenience.

The StarTech USB to Serial Adapter offers excellent portability with its single cable design, eliminating the need for extra adapters and cables. You can easily convert your USB port into a null modem RS232 DB9 serial port, effectively resolving DTE/DCE conflicts. Its broad compatibility means it works seamlessly with USB 1.0 or 2.0 ports across Windows, Mac, and Linux systems. Additionally, you will appreciate the fast transfer speeds, supporting up to 921.6 Kbps, ensuring efficient data transfer for your devices.

The DTech USB Serial Adapter is a versatile 3ft cable that allows you to connect various RS232 serial devices to your PC. With its PL2303 chipset, it ensures compatibility with a wide range of operating systems, including Windows 11, Mac, and Linux. This adapter is perfect for linking 9-pin serial devices like barcode scanners, digital cameras, and routers, making it convenient for your data transfer needs. Its straightforward design ensures you can easily plug and play without complications.

The DriverGenius USB232A-B-A is a versatile USB to Serial Adapter, essential for connecting legacy devices to modern systems. With three status monitoring LEDs, you can easily keep track of power and data transmission, enhancing your workflow. The 3ft cable length provides flexibility in setup, while the adapter supports a maximum baud rate of 921.6 Kbps, ensuring fast data transfer. Its wide application range allows you to use it in various IT environments, making it a practical choice for professionals in industrial control, logistics, and more.

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.