Best DB25 Serial Adapters of 2026

The StarTech.com Serial Cable Adapter is an F/M adapter designed for connecting devices with DB-9 (F) and DB-25 (M) serial ports. It is a reliable solution that provides a secure connection and supports a transfer rate of up to 16 Mbps.

The ANMBEST DB25 Solderless Connector is a high-quality and durable RS232 D-SUB Serial to 25-pin Port Terminal Male Adapter Breakout Board with a case and long bolts and nuts. Its pure copper nickel-plated joints and fine solder joints ensure resistance to plug, good contact, durability, and a long life. With its easy-to-use 128 type environmental protection copper terminal design, no welding is required, and cumbersome tools are unnecessary. It can connect all kinds of serial devices, and all signal ports are clearly named and labeled on both sides of the board for quick wiring. Each set of products comes with a set of cable pressing plates to prevent easy removal of connected wires. The shell has a non-slip design.

The StarTech DB9 to DB25 is a versatile serial adapter that connects your devices effortlessly. With its male DB-9 and female DB-25 connectors, you can easily link older equipment to newer systems, enhancing compatibility. This adapter is perfect for those who need to bridge the gap between different serial interfaces, making your setup more flexible. Additionally, its compact design ensures that it won’t take up much space, allowing for a tidy workspace. Enjoy the convenience of seamless connectivity with this reliable serial adapter.

This Plug-and-Play USB adapter cable adds an RS232 serial port to a notebook or desktop computer, providing USB to Serial, USB to RS232, USB to DB25 and USB to Serial Adapter functionality. Ideal for users who need to connect legacy devices to modern computers, this adapter is easy to install thanks to its Plug-and-Play design.

The LZDICITARU USB Serial Adapter is designed for seamless communication between your computer and devices like modems and printers. Simply plug the USB end into your computer and connect the other end to your device. Once the driver is installed, you can easily begin debugging. This adapter features the FT231XS chip, ensuring compatibility with all major operating systems, including Windows and Mac. With a generous 6-foot length, you have the flexibility to position your devices conveniently without being tethered too closely.

The 6FT USB RS-232 to DB25 Serial Adapter Cable is designed for Fanuc CNC DNCLINK configuration copy setting, and is compatible with Windows, Linux, and MAC OS. The cable is 6ft long and equipped with a high-quality FTDI FT232RL chip, ensuring stable transmission of signals. In case of any issues within 180 days, customers can contact the seller for support.

The C2G Serial RS232 Null Modem Adapter is a cost-effective solution to connect laptop serial ports. It has a DB25 Male connector on one end and a DB25 Female connector on the other end, making it easy to use. This adapter is a great choice for those who need a quick and economical solution to connect their laptop serial ports. It falls under the category of serial adapters.

The ANMBEST DB25 Ethernet Adapter allows you to transmit signals between your RS232 ports and Ethernet networks using CAT5 or CAT5E cables, extending up to 100 feet. Its pin configuration is designed to convert DB25 connections to RJ45, making it easy for you to connect legacy serial devices to modern network setups. With high-quality alloy ports, it minimizes transmission interference, ensuring a reliable connection. The durable ABS material also adds to its longevity, making it a great choice for various networking applications.

The CERRXIAN DB25 Breakout is a handy tool that lets you connect wires without soldering, perfect for quick setups or repairs. You simply use a screwdriver to secure stranded or solid wires, making custom wiring easy. Its improved outer case is designed for easy opening and closing, ensuring a firm hold once fastened, so your connections stay secure. This breakout board converts a DB25 male connector into a 25-position screw terminal block, complete with cable strain relief and protective housing to keep everything stable. Plus, it features all-copper contacts for better conductivity and resistance to oxidation, ensuring reliable performance over time.

The C2G VGA to DB9 Adapter is designed to help you connect older MultiSync monitors to your computer easily. It lets you convert a VGA HD15 male port into a DB9 female serial port, which is perfect for legacy devices. The adapter is built to be durable, providing a secure and quick connection between your VGA video card and 9-pin serial cable. Its high-quality design features a molded construction that ensures a stable connection and shields against interference, so you get reliable performance without signal loss or disruption. This adapter is a practical solution for maintaining compatibility with older equipment.