Network Attached Storage (NAS) What is Network Attached Storage (NAS)? Network Attached Storage (NAS) is a dedicated storage device connected to a network, enabling multiple users and devices to store and access data centrally. Explanation NAS systems provide scalable and shared storage solutions for businesses and individuals. They are ideal for file sharing, backups, and media streaming, offering accessibility from any network-connected device. Practical Example of NAS A small business uses a NAS device to store shared documents and perform automated backups, ensuring data availability and security.