Seagate Barracuda ST1000DM010 - hard drive - 1 TB - SATA 6Gb/s - ST1000DM010 - Internal Hard Drives - CDW.com
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WD Blue WD20SPZX - Hard drive - 2 TB - internal - 2.5-inch - SATA 6Gb/s - 5400 rpm - buffer: 128 MB | Dell USA
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Seagate Barracuda 2TB Surveillance Hard Drive - SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive (ST2000DM006)
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Amazon.com: WD Purple 1TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD10PURX [Old Version] : Electronics
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