Seagate Desktop HDD ST3000DM001 3TB 7200 RPM 64MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive Desktop Internal Hard Drives - Newegg.com
Best Buy: Seagate FreeAgent GoFlex Desk 3 TB External Hard Drive Black STAC3000102
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