The WD Blue 4TB (WDBSLA0040HNC) is a 3.5-inch SATA hard drive designed for desktop storage expansion and archival workloads. It delivers 7200 RPM spindle speed with 64MB cache and SATA 6Gb/s connectivity, supporting sustained throughput up to 180 MB/s. This drive is compatible with standard PC tower systems, external enclosures, and NAS environments requiring single-drive capacity without enterprise redundancy features. Typical applications include backup storage, media libraries, and secondary data repositories where performance-per-dollar justifies mechanical drive deployment.
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