Seagate Barracuda 1.0TB 7200rpm , 3.5 inch Desktop Hard Disk drive , 64MB Cache , SATA III 6 Gb/s Interface, Up to 210 MB/s Data Transfer Rate , 2 year warranty

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, 2-year warranty