Amazon.com: Seagate BarraCuda 500GB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 7200 RPM 32MB Cache for Computer Desktop PC (ST500DM009) : Electronics
Amazon.com: Seagate Barracuda ST500DM002 500 GB 3.5 Internal Hard Drive - SATA - 7200 rpm - : Electronics
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Seagate Barracuda 500GB 3.5" HDD 7200RPM 6Gb/s 16MB SATA Hard Drive ST500DM002 | eBay