Seagate BarraCuda 4TB Internal Hard Drive HDD - 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC Laptop (ST4000DM004) (ST4000DM004) Desktop Internal Hard Drives - Newegg.com
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Seagate Barracuda 500GB 3.5" HDD 7200RPM SATA ST3500418AS 9SL142-515 4-3 - All Things Surplus