WESTERN DIGITAL ULTRA 12TB 3.5 INCH HDD 256MB 7200 ENTERPRISE

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

Seagate SkyHawk 1TB SATA3 HDD , durable reliability and performance tuned to the high-write workloads of today 24Hours&7days video surveillance systems ( 3 years warranty )

Experience the highest capacity, and the thinnest 2.5-inch hard drive you’ve ever seen. Choose from 500 GB to 2 TB of massive storage for all of your application and data needs along with a slim 7 mm form factor drive that makes system upgrades very easy.