StarTech.com 3ft (91cm) 1-Port USB to RS232 DB9 Serial Adapter Cable, USB to Serial Adapter Cable - M/M - USB to serial DB9 adapter - Cable features a converter chip on the USB end - Overcomes the 15ft. technical limit of USB cables - Connect modern computers and legacy serial peripherals - 3ft (91cm); Prolific PL2303GC Chipset; 921.6 Kbps Max Baud Rate