Plugging Into Router. Not Seen By Window

I am trying move files from an external hard disk storage to new Sandisk extreme. I want to use the USB capability to connect directly into router for higher transfer but Windows does not see it,

Hi @Freerider777,

Have you opened a Support Case? If not opened, for more information, please contact the SD Technical Support team for the best assistance and troubleshooting:
https://kb.sandisk.com/app/ask

I decided to plug into laptop. That works no issue.