Amazon.com: Seagate 3.0TB BarraCuda 3.5-Inch SATA 6.0Gb/s (3.0Gb/s and 1.5Gb/s Backwards Compatible) 7200RPM Hard Drive with 64MB Cache Model SEAST3000DM008 : Electronics
8TB Seagate Barracuda 3.5-inch Sata Serial ATA III 6GB Internal Hard Drive - Walmart.com