SEAGATE SKYHAWK AI 6TB 3.5 INCH HDD 256MB 7200

Seagate SkyHawk 4TB SATA3 HDD , durable reliability and performance tuned to the high-write workloads of today 24Hours&7days video surveillance systems ( 3 years warranty )

Seagate IronWolf 4TB 64MB Cache SATA 6.0Gb/s NAS Internal Hard Drive ,Perfect for 1-8 BAY NAS system, 3 years warranty

WD Ultrastar HC330 10TB Enterprise Hard Drive SATA 6Gb/s 7.2K RPM 256M 0B42266 512e/4KnSE 5 Years warranty WUS721010ALE6L4