Amazon.com: Western Digital WD AV-GP 500GB 32MB Cache SATA 3.0Gb/s 3.5inch (CCTV DVR, PC) Internal Hard Drive (Low power, Quiet) -w/1 Year Warranty : Electronics
Renewed Toshiba 500GB 2.5" SATA Notebook Hard Drive
Seagate 500GB BarraCuda SATA 6Gb s 3.5" Internal Hard Drive (ST500DM009)
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HP 500GB Secure Hard Disk Drive (HDD) LaserJet Enterprise (LJ Ent) M506 (B5L29-67903)-ImageSpareParts.com