Iria

Networked Attached Server computers are computers that act as file servers using the home network and minimal access to the Input Outputs of the system to support file systems but nothing else as they are designed to store files and nothing else. They differ from Network access servers is a device that acts as an access control point for users in remote internal network or to an ISP. This can be a valuable asset for many different user groups and various media and business purposes.
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Source: Motherboards