STBD3000100 Seagate Barracuda 3TB 7.2K RPM 7Pin SATA Hard Drive
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
Seagate Barracuda 3TB Hard Drive - 3.5 Internal, SATA 6Gb/s, 256MB Cache, ?5400 RPM Spindle Speed, 185MB/s Maximum Sustained Transfer Rate - ST3000DM007 at TigerDirect.com