Network-Attached Storage (NAS) is a dedicated file storage system that allows multiple users and devices to access data over a network. Unlike external hard drives that connect directly to a single computer, a NAS device connects to your home or office network, making files accessible to authorized users from any connected device. NAS systems typically feature one or more hard drives, built-in redundancy options (like RAID), and user-friendly interfaces. They’re ideal for centralized backups, media streaming, file sharing, and even running lightweight applications—making them a popular choice for both personal and business use.

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