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Seagate Laptop Thin HDD ST500LM021 - Hard drive - 500 GB - internal - 2.5-inch - SATA 6Gb/s - 7200 rpm - buffer: 32 MB | Dell Canada
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Amazon.com: Western Digital 500GB WD Black Performance Mobile Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 32 MB Cache, 2.5" - WD5000LPLX : Electronics
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