2TB Seagate Barracuda 7200.14 SATA III 6Gbps 3.5-inch Hard Drive (64MB cache, 7200rpm)
Seagate BarraCuda 2TB 7200 RPM 3.5" Hard Drive - Newegg.com
Seagate Barracuda 4TB SATA 6Gbps With 256MB Cache Internal Hard Drive, Cost-effective storage upgrade for laptop or desktop computers, SATA 6Gb/s interface optimizes burst performance, Protect data with Self-Encrypting Drive (SED) models,
Seagate BarraCuda ES.2 ST31000340NS 1TB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive - Newegg.com