ST3000DM001 Seagate Barracuda 3TB SATA 6.0 Gbps Hard Drive
Refurbished: Seagate BarraCuda XT ST33000651AS 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive - Newegg.com
Cheap Seagate ST3000LM024 3TB 5.4K RPM SATA 6GBPS | Refurbished
Seagate BarraCuda 3TB Internal Hard Drive HDD - 2.5 Inch Sata 6Gb/s 5400 RPM 128 MB Cache for Computer Desktop PC (ST3000LM024) (ST3000LM024) - Newegg.com