SEAGATE 6TB ST6000VX009  SKYHAWK
SURVEILLANCE HARD DRIVE SATA 6GB/S 256MB

Hybrid surveillance DVRs
Embedded surveillance DVRs (SDVR)
Network video recorders (NVR) 
Surveillance DVRs

Specifications:

ST6000VX009 Capacity:6TB
Interface:SATA 6Gb/s
Cache:256MB
Speed :5400rpm
Up to 180 MB/s Data Transfer Rate
Enables user workload rate of 180TB/year
Many hours of HD video storage
Built to record 90% of the time — supports up to 64 cameras

https://www.seagate.com/internal-hard-drives/hdd/skyhawk/#skyhawk-models