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Amazon.com: Seagate Barracuda ES 750 GB 7200RPM SATA 3Gb/s 32 MB Cache 3.5 Inch Internal Hard Drive ST3750330NS-Bare Drive : Electronics
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Seagate BarraCuda ES.2 ST31000340NS 1TB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive - Newegg.com
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