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WD Red 3TB NAS Internal Hard Drive - 5400 RPM Class, SATA 6Gb/s, SMR, 256MB Cache, 3.5" - WD30EFAX - Newegg.com
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Western Digital Red (5400RPM, 3.5", SATA III, 256MB Cache) 2TB Internal Enterprise Drive - WD20EFAX for sale online | eBay
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