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
Hitachi 3TB 3.5in SATA Hard Drive HDS5C3030ALA630
Seagate Skyhawk Surveillance ST3000VX009 3TB SATA 6.0 Gb/s 256MB Hard Drive (ST3000VX009) Desktop Internal Hard Drives - Newegg.com
HGST Ultrastar 7K4000 HUS724030ALE641 3TB 64MB Cache 7200RPM SATA III 6.0Gb/s 3.5" Internal Enterprise
WD WD30EFAX 3TB Red NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - PlatinumMicro.com