Western Digital Caviar WD400BD-60LTA0 is a 40GB 3.5-inch SATA hard drive designed for entry-level storage in desktop systems and external enclosures. The drive spins at 7200 RPM with a 2MB cache and delivers sequential throughput of 1.5GB/s via SATA interface. Compatible with standard drive bays and external USB/eSATA enclosures, this drive suits legacy system upgrades, archival storage, or secondary storage configurations where capacity needs are modest. The WD400BD series represents earlier-generation consumer-grade storage with proven reliability for non-critical workloads.
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