Western Digital WD Red WD80EFZX 8 TB HDD 5400 RPM 256 MB cache SATA III 6 Gb/s

Western Digital WD80EFZX 8TB Hard Drive. Product Line WD Red (NAS HDD). Cache (Buffer) 128 MB. Interface SATA III (6 Gb/s). Max Transfer Rate Up to SATA 6 Gb/s (~150–180 MB/s typical real-world). Workload Rate ~180 TB/year (typical for WD Red class).

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