
Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5,

Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5,

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Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5,