Seagate Barracuda 2TB Hard Drive - Internal, 5400rpm, 3.5, SATA 6Gbp/s, 256MB Cache, 190MB/s Data Transfer Rate, 4096 Bytes per Sector - ST2000DM005 at TigerDirect.com
Seagate Barracuda 2TB Internal SATA Hard Drive for Desktops ST2000DM006 - Best Buy
Seagate Barracuda Green ST2000DL001 2TB 5900 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Hard