![Amazon.com: Micro Connectors, Inc. Plug and Play USB to Dual Serial DB9 Adapter Windows 10 / Win 8/ 7/ XP/ Vista / Mac (E07-162) : Everything Else Amazon.com: Micro Connectors, Inc. Plug and Play USB to Dual Serial DB9 Adapter Windows 10 / Win 8/ 7/ XP/ Vista / Mac (E07-162) : Everything Else](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71erhU+xGzL.jpg)
Amazon.com: Micro Connectors, Inc. Plug and Play USB to Dual Serial DB9 Adapter Windows 10 / Win 8/ 7/ XP/ Vista / Mac (E07-162) : Everything Else
![UGREEN 1M USB to DB9 RS-232 COM Port Serial PDA 9 DB9 Pin Cable Adapter Prolific PL2303 for Windows 7 8.1 XP Vista Mac OS USB RS232 COM | Lazada PH UGREEN 1M USB to DB9 RS-232 COM Port Serial PDA 9 DB9 Pin Cable Adapter Prolific PL2303 for Windows 7 8.1 XP Vista Mac OS USB RS232 COM | Lazada PH](https://ph-test-11.slatic.net/p/8768545f94d81053e070993bf3be0949.jpg)
UGREEN 1M USB to DB9 RS-232 COM Port Serial PDA 9 DB9 Pin Cable Adapter Prolific PL2303 for Windows 7 8.1 XP Vista Mac OS USB RS232 COM | Lazada PH
![7 Port USB Hub for Laptop Computer Adapter, Multiport 2.0 Charger Splitter with On Off Switches for Windows PC Smartphone Charging Data Transfer - Walmart.com 7 Port USB Hub for Laptop Computer Adapter, Multiport 2.0 Charger Splitter with On Off Switches for Windows PC Smartphone Charging Data Transfer - Walmart.com](https://i5.walmartimages.com/asr/9976d9be-a9ee-470f-9b02-785fa0ef55d4_1.012e8611940610c9df11d852a134a0e8.jpeg)
7 Port USB Hub for Laptop Computer Adapter, Multiport 2.0 Charger Splitter with On Off Switches for Windows PC Smartphone Charging Data Transfer - Walmart.com
![How to change the COM port for a USB Serial adapter on Windows 7, 8, 8.1, and 10 - Plugable Knowledge Base How to change the COM port for a USB Serial adapter on Windows 7, 8, 8.1, and 10 - Plugable Knowledge Base](https://media.plugable.com/images/kb/714099/set-com-windows-004-max.png)
How to change the COM port for a USB Serial adapter on Windows 7, 8, 8.1, and 10 - Plugable Knowledge Base
![How to change the COM port for a USB Serial adapter on Windows 7, 8, 8.1, and 10 - Plugable Knowledge Base How to change the COM port for a USB Serial adapter on Windows 7, 8, 8.1, and 10 - Plugable Knowledge Base](https://media.plugable.com/images/kb/714099/set-com-windows-003-max.png)
How to change the COM port for a USB Serial adapter on Windows 7, 8, 8.1, and 10 - Plugable Knowledge Base
![How to change the COM port for a USB Serial adapter on Windows 7, 8, 8.1, and 10 - Plugable Knowledge Base How to change the COM port for a USB Serial adapter on Windows 7, 8, 8.1, and 10 - Plugable Knowledge Base](https://media.plugable.com/images/kb/714099/set-com-windows-005-max.png)
How to change the COM port for a USB Serial adapter on Windows 7, 8, 8.1, and 10 - Plugable Knowledge Base
![Amazon.com: PCI Express to 2X USB 3.1 GEN2 Type C 10Gbps Ports Card for Windows 7, 8.1, 10, 11 (32/64) and MAC OS 10.9,10.10,10.12,10.13,10.14,10.15 PCs, Built in Smart Power Control Technology (PCE-U312C) : 電子 Amazon.com: PCI Express to 2X USB 3.1 GEN2 Type C 10Gbps Ports Card for Windows 7, 8.1, 10, 11 (32/64) and MAC OS 10.9,10.10,10.12,10.13,10.14,10.15 PCs, Built in Smart Power Control Technology (PCE-U312C) : 電子](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61LjUS0kJGL._AC_UF894,1000_QL80_.jpg)