![Amazon.com: UGREEN USB to Serial Adapter, Serial to USB Adapter DB9 Male 9 Pin with PL2303 Chipset, PVC Jacket, RS232 to USB Cable for Windows 11 10 8.1 8 7 XP Vista, Amazon.com: UGREEN USB to Serial Adapter, Serial to USB Adapter DB9 Male 9 Pin with PL2303 Chipset, PVC Jacket, RS232 to USB Cable for Windows 11 10 8.1 8 7 XP Vista,](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61N0K3md5nL.jpg)
Amazon.com: UGREEN USB to Serial Adapter, Serial to USB Adapter DB9 Male 9 Pin with PL2303 Chipset, PVC Jacket, RS232 to USB Cable for Windows 11 10 8.1 8 7 XP Vista,
![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
![Amazon.com: 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) : Electronics Amazon.com: 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) : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/6183mI1v2sL.jpg)
Amazon.com: 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) : Electronics
ICUSB232PRO StarTech.com | StarTech.com Male to RS232 Male Interface Converter | 179-7974 | RS Components
![StarTech.com ICUSB422 | StarTech.com 6 ft Professional RS422/485 USB Serial Cable Adapter w/ COM Retention StarTech.com ICUSB422 | StarTech.com 6 ft Professional RS422/485 USB Serial Cable Adapter w/ COM Retention](https://s3-apw.badencloud.store/49882-cdn/b76dabe4-8d64-4325-86e1-e011e05674c4_10_1687971483.jpg)
StarTech.com ICUSB422 | StarTech.com 6 ft Professional RS422/485 USB Serial Cable Adapter w/ COM Retention
![1 Port USB 2.0 to Serial Adapter Cable - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com 1 Port USB 2.0 to Serial Adapter Cable - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com](https://media.startech.com/cms/products/gallery_large/icusb2321x.main.jpg)
1 Port USB 2.0 to Serial Adapter Cable - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
![1 Port USB 2.0 to Serial Adapter Cable - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com 1 Port USB 2.0 to Serial Adapter Cable - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com](https://media.startech.com/cms/products/main/icusb2321x.main.jpg)
1 Port USB 2.0 to Serial Adapter Cable - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
![Amazon.com: Manhattan USB to Serial Converter Connects One Serial Device to A USB Port (205146) : Electronics Amazon.com: Manhattan USB to Serial Converter Connects One Serial Device to A USB Port (205146) : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/315xuHGof1L._AC_.jpg)
Amazon.com: Manhattan USB to Serial Converter Connects One Serial Device to A USB Port (205146) : Electronics
![USB to Serial Adapter w/ Detachable USB - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com Europe USB to Serial Adapter w/ Detachable USB - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com Europe](https://media.startech.com/cms/products/gallery_large/icusb232d.main.jpg)