Best StarTech.com Serial Adapters of 2025

The StarTech.com RS232 Adapter provides a reliable way to connect legacy serial devices to your computer via USB. With broad compatibility, you can easily integrate it with various operating systems, including Windows, Linux, and Mac OS. The COM retention feature ensures that your assigned serial COM port values are saved, making reconnection hassle-free. Its versatile functionality allows you to monitor and control industrial sensors and even digital signage boards, enhancing your connectivity options.

The StarTech.com USB to RS232 Adapter is designed for maximised portability, allowing you to convert a USB port into an RS232 DB9 serial port. This is particularly useful for connecting, monitoring, and controlling serial devices. With broad compatibility, you can easily use it with your USB 1.0 or 2.0 ports on Windows, Mac, or Linux systems. Experience fast transfer speeds with a Baud Rate of up to 921.6Kbps, ensuring efficient data transfer. Its lightweight design fits conveniently into your carrying case, making it ideal for professionals who are always on the move.

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 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.

The StarTech.com Null Modem Adapter is a practical solution for converting a straight-through cable into a null modem cable. This feature is particularly useful for connecting devices that require a null modem setup, ensuring seamless communication. Its straightforward design makes it easy to use and install, saving you time and hassle. Additionally, the adapter provides a cost-effective option for users, allowing you to maximise your existing equipment without needing to purchase new cables.

The StarTech.com USB Serial Cable allows you to connect RS232 devices to your computer seamlessly. With a 3ft (91cm) length, you can easily reach your peripherals without hassle. This adapter is compatible with various devices, including barcode scanners and medical equipment, making it a reliable choice for your connection needs. Additionally, it supports multiple operating systems, ensuring that you can continue using your legacy hardware with modern systems effortlessly.

The StarTech.com USB Serial Adapter is a versatile solution for connecting serial devices. With two RS-232 ports, it allows you to connect multiple devices simultaneously, increasing your efficiency. The USB 2.0 interface ensures fast data transfer, making it ideal for industrial applications. Its rugged metal construction adds durability, ensuring it can withstand demanding environments. This product is perfect for users needing reliable connections for their serial equipment.

The StarTech.com Null Modem Adapter is a practical solution for connecting devices that use DB-9 female connectors. This adapter allows you to easily link two devices without the need for additional hardware, saving you time and effort. Its white colour adds a clean look to your setup, while its compatibility with P/N: PCI2S232485I ensures seamless integration. By using this null modem adapter, you can achieve reliable data transfer between your devices, enhancing your overall connectivity experience.

The StarTech.com USB Serial Adapter is a versatile device that enables connections through RS-232, RS-422, and RS-485 serial interfaces. With its USB 2.0 capability, you can easily connect your computer to various serial devices, ensuring smooth data transmission. The dual-port feature allows for multiple connections, enhancing your productivity by letting you manage different devices simultaneously. COM port retention ensures that your settings remain intact, making it convenient for users who frequently switch between devices.

The StarTech Serial Cable Adapter is a reliable solution for converting DB-9 female connections to DB-25 male connections. This is particularly useful for connecting older serial devices to modern equipment, allowing you to maintain compatibility with legacy technology. Its straightforward design makes it easy to use, ensuring hassle-free installation and operation. With durable construction, you can count on this adapter for consistent performance over time, helping you streamline your setup with minimal effort.