WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD40PURX - Newegg.com
HP 610947-001 - 320GB 7.2K SATA 2.5" Hard Drive
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Western Digital Extends Capacity-Enterprise HDD Technology Leadership into Broad Family of Data Center Solutions Enabling Unmatched TCO - TQPR Total Quality Public Relations
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