Amazon.com: Seagate BarraCuda 3TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 7200 RPM 64MB Cache for Computer Desktop PC (ST3000DM008) : Electronics
Seagate BarraCuda 3TB 7200 RPM SATA 3.5" Hard Drive - Newegg.com
Seagate's BarraCuda 3TB Internal Hard Drive expands your computer or NAS for $70 (Save $15)