![Amazon.com: StarTech.com 3ft USB to RS232 DB9 Serial Adapter Cable - Up to 1 Mbps USB to Serial Converter - M/M USB to VGA Adapter (ICUSB232SM3) , Black : Electronics Amazon.com: StarTech.com 3ft USB to RS232 DB9 Serial Adapter Cable - Up to 1 Mbps USB to Serial Converter - M/M USB to VGA Adapter (ICUSB232SM3) , Black : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/81Ro334il0L._AC_UF894,1000_QL80_.jpg)
Amazon.com: StarTech.com 3ft USB to RS232 DB9 Serial Adapter Cable - Up to 1 Mbps USB to Serial Converter - M/M USB to VGA Adapter (ICUSB232SM3) , Black : Electronics
![StarTech.com 1 ft. USB to RS232 Serial DB9 Adapter Cable with COM Port Retention - Up to 920 kpbs USB A to DB9 Serial Adapter (ICUSB232PRO) StarTech.com 1 ft. USB to RS232 Serial DB9 Adapter Cable with COM Port Retention - Up to 920 kpbs USB A to DB9 Serial Adapter (ICUSB232PRO)](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/31hKSlEKGML._AC_UF894,1000_QL80_.jpg)
StarTech.com 1 ft. USB to RS232 Serial DB9 Adapter Cable with COM Port Retention - Up to 920 kpbs USB A to DB9 Serial Adapter (ICUSB232PRO)
![Buy StarTech.com 2-Port USB to RS232 RS422 RS485 Serial Adapter with at Connection Public Sector Solutions Buy StarTech.com 2-Port USB to RS232 RS422 RS485 Serial Adapter with at Connection Public Sector Solutions](https://service.pcconnection.com/images/inhouse/FD979CD7-A880-4E86-B40A-A6D75853D6C2.jpg)
Buy StarTech.com 2-Port USB to RS232 RS422 RS485 Serial Adapter with at Connection Public Sector Solutions
![StarTech.com ICUSB232SM3 USB to Serial Adapter - Prolific PL-2303 - 3 ft / 1m - DB9 (9-pin) - USB to RS232 Adapter Cable - USB Serial - Newegg.com StarTech.com ICUSB232SM3 USB to Serial Adapter - Prolific PL-2303 - 3 ft / 1m - DB9 (9-pin) - USB to RS232 Adapter Cable - USB Serial - Newegg.com](https://c1.neweggimages.com/ProductImage/12-200-966-05.jpg)
StarTech.com ICUSB232SM3 USB to Serial Adapter - Prolific PL-2303 - 3 ft / 1m - DB9 (9-pin) - USB to RS232 Adapter Cable - USB Serial - Newegg.com
![StarTech.com ICUSB232V2 USB to Serial Adapter - Prolific PL-2303 - 1 port - DB9 (9-pin) - USB to RS232 Adapter Cable - USB Serial - Newegg.com StarTech.com ICUSB232V2 USB to Serial Adapter - Prolific PL-2303 - 1 port - DB9 (9-pin) - USB to RS232 Adapter Cable - USB Serial - Newegg.com](https://c1.neweggimages.com/ProductImageCompressAll1280/12-400-515-02.jpg)
StarTech.com ICUSB232V2 USB to Serial Adapter - Prolific PL-2303 - 1 port - DB9 (9-pin) - USB to RS232 Adapter Cable - USB Serial - Newegg.com
![Amazon.com: StarTech.com USB to Serial Adapter - 1 port - USB Powered - FTDI USB UART Chip - DB9 (9-pin) - USB to RS232 Adapter (ICUSB2321F) : Electronics Amazon.com: StarTech.com USB to Serial Adapter - 1 port - USB Powered - FTDI USB UART Chip - DB9 (9-pin) - USB to RS232 Adapter (ICUSB2321F) : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71wj-UVyAWL._AC_UF1000,1000_QL80_.jpg)