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
3TB Western Digital WD Blue 3.5-inch SATA III Desktop Hard Drive (5400rpm, 64MB cache) - Walmart.com