Internal HDD

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

Seagate SkyHawk 4TB 256MB Cache 3.5 inch Internal Surveillance Hard Disk Drive – SATA III 6 Gb/s Interface, , 3 year warranty