Sabrent CB-DB9P USB 2.0 to Serial DB-9 RS-232 Adapter Cable | Prolific

Keep serial-dependent hardware in service without replacing working equipment. The Sabrent CB-DB9P converts a USB 2.0 connection to a DB-9 RS-232 serial interface, giving modern computers a practical path to legacy devices that still matter in production, service, and lab environments. Built around a Prolific chipset, this adapter cable is designed for dependable serial communication with supported systems. It is a strong fit when you need to connect to equipment that exposes a DB-9 port, including older peripherals, configuration interfaces, and industrial tools. Instead of adding a full expansion card or retiring proven hardware, this cable provides a direct bridge from USB to serial. For IT teams, the value is straightforward: preserve access, reduce downtime, and keep support workflows moving. For procurement, it is a low-friction way to extend the life of installed equipment while maintaining compatibility with current PCs. When a serial connection is still the right connection, this adapter keeps it available.