![]() The drives might include traditional magnetic HDDs, SSDs or other non-volatile memory devices, often supporting a mix of different storage devices. Every NAS must provide physical storage, which is typically in the form of disk drives. This is often considered part of the NAS hardware suite, along with the CPU. But any business NAS intended for data sharing and file serving will demand a physical network connection, such as a cabled Ethernet interface, giving the NAS a unique IP address. ![]() Small NAS devices designed for desktop or single-user use might allow for direct computer connections, such as USB or limited wireless (Wi-Fi) connectivity. Where typical computers or servers use a general-purpose CPU, a dedicated device such as NAS might use a specialized CPU designed for high performance and low power consumption in NAS use cases. The CPU is responsible for running the NAS OS, reading and writing data against storage, handling user access and even integrating with cloud storage if so designed. The heart of every NAS is a computer that includes the central processing unit (CPU) and memory. Regardless of the size and scale of the network-attached storage, every NAS device is typically composed of four major components: NAS components and how they workĪ NAS device is fundamentally a dedicated storage server - a specialized computer designed and intended to support storage through network access. Higher-end NAS products have enough disks to support redundant arrays of independent disks, or RAID, which is a storage configuration that turns multiple hard disks into one logical unit to boost performance, high availability and redundancy. Instead, it uses an enterprise-class NAS to store the images and cloud caching to maintain connections to the images stored on premises. Take this example of how enterprises use the technology: When a company imports many images every day, it cannot stream this data to the cloud because of latency.
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