NAS devices can be accessed from any mobile device. The manufacture of the NAS has a mobile application that is compatible with iOS and Android devices.
There are also desktop applications for Windows, MAC OS, and other UNIX based operating systems. The application allows you to access the NAS remotely.
An alternative approach is to create a network and an internet accessible drive using ISCSI. After that, you can configure a virtual machine on your PC. This allows you to read and write data into the NAS remotely.
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