HappyATMs.com Western Digital Caviar Blue 250GB 7200 RPM 16MB cache SATA 6.0Gb/s 3.5 internal hard drive PN: WD2500AAKX, 2500AAKX
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Amazon.com: Western Digital Caviar Blue WD5000AAKX 500GB 7200RPM 16MB Cache SATA 6.0Gb/s 3.5in Internal Hard Drive (Renewed) - w/ 1 Year Warranty : Electronics
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Western Digital WD3200 320.0 GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Hard Drive | RecycledGoods.com
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WD5000AAKS Western Digital Caviar Blue 500GB 7200RPM SATA 3Gbps 16MB Cache 3.5-inch Internal Hard Drive
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Used - Very Good: WD Blue 320GB Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 16MB Cache 3.5 Inch - WD3200AAKX - Newegg.com
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