Amazon.com: Seagate BarraCuda 3TB Internal Hard Drive HDD – 2.5 Inch Sata 6Gb/s 5400 RPM 128 MB Cache for Computer Desktop PC (ST3000LM024) : Electronics
1CH166-302 Seagate Barracuda 3TB 7200RPM SATA 6Gbps 64MB Cache 3.5-inch Internal Hard Drive
Seagate BarraCuda ST3000DM007 3TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives - Newegg.com