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Amazon.com: WD Blue 500GB Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 16MB Cache 3.5 Inch - WD5000AAKX (Renewed) : Electronics
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Western Digital Caviar Blue WD5000AAKX 500GB 7200 RPM 16MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive - w/ 1 Year Warranty
03T7041 IBM 500GB 7.2K RPM SATA 16MB CACHE 6GB/S 3.5 INCH HARD DRIVE
HappyATMs.com Western Digital Caviar Blue 250GB 7200 RPM 16MB cache SATA 6.0Gb/s 3.5 internal hard drive PN: WD2500AAKX, 2500AAKX
WD Blue 500GB Desktop Hard Disk Drive 7200 RPM 3.5" - Newegg.com
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