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HappyATMs.com Seagate BarraCuda ST500DM009 500GB 7200 RPM 32MB Cache SATA 6.0Gb/s 3.5" Hard Drive PN: ST500DM009, 500DM009
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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
Seagate BarraCuda 7200.12 ST3500418AS 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive Desktop Internal Hard Drives - Newegg.com