Dahua ST4000VX005 4TB Surveillance HDD (Seagate) 

SkyHawk leverages Seagate’s extensive experience in designing
drives purpose-built for surveillance applications. ImagePerfect firmware is designed to ensure seamless video footage capture in

SkyHawk Health Management actively helps protect your surveillance storage by
focusing on prevention, intervention and recovery options. NVR-ready design allows drives to maintain performance in multi-bay systems, giving customers the flexibility to scale their systems when more storage is needed.

Up to 10TB or over 2000 hours of HD video storage support an increased number
of HD cameras and allows longer data retention periods. 1M hours MTBF, 3-year limited warranty represents an improved total cost of ownership (TCO) with reduced maintenance costs.