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WD Red 4TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch - WD40EFRX - Walmart.com
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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″ – WD80EFZZ – Deal Targets
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Western Digital WD20EFRX-68AX9N0 - 2TB 5.4K RPM 64MB Cache SATA 3.5" Hard Drive - WD Red NAS - CPU Medics
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