WD Purple 3TB Surveillance Hard Drive 5400 RPM SATA 6 Gb/s 64MB

Seagate SkyHawk 1TB 6Gb/s 5900 rpm Surveillance Hard Drive

WD Purple 4TB Surveillance HDD 5400 RPM SATA 6 Gb/s

Seagate SkyHawk 2TB 6Gb/s 5900 rpm Surveillance Hard Drive

Seagate IronWolf 2TB NAS Hard Drive 5900 rpm