StarTech.com 3ft (1m) USB to Serial Adapter Cable, COM Retention, FTDI IC, DB9 RS232, Interchangeable DB9 Screws/Nuts, Windows/macOS/Linux - Add a DB9 RS-232 serial port to a desktop/laptop using a USB-A port; Interchangeable Screws/Nuts; DB9 screws p 1P3