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Network Attached Storage (NAS) refers to dedicated file-level computer data storage servers connected to a network providing data access to a heterogeneous group of clients. NAS is specialized for serving files either by its hardware, software, or configuration. It is often manufactured as a type of embedded system; it does not require a keyboard, display, or even a mouse to function. The only essential device is the network connection. In essence, it is a computer whose sole purpose is to enable data storage and access across a network, and its primary advantage over other types of servers is ease-of-use combined with high performance and reliability. NAS devices are flexible and can be used for various purposes such as storing multimedia files for easy sharing, backing up critical business documents, or serving as a platform for cloud storage and collaboration services. The data stored on a NAS device can be accessed from any location, making it an ideal solution for businesses with multiple locations or remote workers. With its ability to support multiple users simultaneously, NAS devices are perfect for small office environments, home networks, or even large enterprise systems. In summary, Network Attached Storage is a specialized server designed for storing and sharing data across a network, providing high performance and reliability while being easy to use and manage.