Amazon.com: Seagate Barracuda ESA-3502 Internal Hard Drive 3.5 Inches - 500 GB (ST500DM002) + Silicone HDD 3.5 Inch Protective Cover - White : Electronics
Amazon.com: HP 636929-001 500GB SATA 6Gb/s transfer speed hard drive - 7,200 RPM, 3.5-inch form factor - With Native Command Queuing (NCQ) and Smart IV technology : Electronics