SEAGATE IRONWOLF 4TB 3.5 INCH HDD 64MB 5900 NAS

Built for 24/7, always-on, high-definition security systems. With a supported workload rate of up to 180 TB/yr1 and support for up to 64 cameras, WD Purple drives are optimized for surveillance systems. WD Purple 8TB, 10TB, 12TB, 14TB & 18TB drives are designed to support Deep Learning analytics in AI capable NVRs, and feature an enhanced workload rating of up to 360TB/yr

Seagate SkyHawk 10TB SATA3 HDD, 256MB Buffer, Durable reliability and performance tuned to the high-write workloads of today 24 Hours & 7 days video surveillance systems (5 years warranty)

WD Ultrastar HC530 14TB Enterprise Hard Drive 3.5in 512MB 7200RPM SATA 6Gb/s 5 Years warranty WUH721414ALE6L4