Seagate Barracuda 500 GB Internal Hard Drive 3.5" SATA - ST500DM002
Amazon.com: Seagate BarraCuda Pro 500GB Internal Hard Drive Performance HDD – 2.5 Inch SATA 6Gb/s 7200 RPM 128MB Cache for Computer Desktop PC Laptop, Data Recovery – Frustration Free Packaging (ST500LM034) : Electronics