Seagate Part Number: (ST500DM002) Seagate Drive|Seagate Barracuda hard drive - 500 GB - SATA-600
2F110A-500 Seagate BarraCuda 500GB 7200RPM SATA 6Gbps 32MB Cache (4K) 3.5-inch Internal Hard Drive
Amazon.com: Seagate BarraCuda 500GB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 7200 RPM 32MB Cache for Computer Desktop PC (ST500DM009) : Electronics
Seagate BarraCuda 7200.12 ST3500418AS 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive - Newegg.com
Seagate 500GB Desktop Hard Drive - Computers Plus
Seagate Barracuda 500GB 3.5" HDD 7200RPM 6Gb/s 16MB SATA Hard Drive ST500DM002 | eBay