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Seagate 1TB 2.5” SAS3 HDD-2A1000-ST1000NX0323 Internal Enterprise Hard Drive
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WD Blue 500GB Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 32MB Cache 3.5 Inch - WD5000AZLX - Newegg.com
WD Blue 500GB Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch - WD5000AZLX - Walmart.com
Seagate Barracuda ST6000DM003 6 TB,Internal,7200 RPM,3.5 inch Hard Drive for sale online | eBay