Seagate SKYHAWK 4TB 3.5 Surveillance HDD

Capacity: 4 TB
Form Factor: 3.5-inch
Interface: SATA 6.0Gb/s
Cache: 256 MB
Spindle Speed: 5400 RPM
Max Sustained Transfer Rate: Up to 180 MB/s
Workload Rating: 180 TB/year (supports continuous writing)
Camera Support: Up to 64 HD video streams simultaneously
Reliability (MTBF): 1 million hours
ImagePerfect Firmware: Minimizes dropped frames and downtime during heavy video-stream writing.
ATA Streaming Support: Maintains smooth data flow for continuous video streaming.
Built-in RV Sensors: Helps maintain performance in multi-bay NVR/DVR enclosures by mitigating vibration.
Tarnish-Resistant Components: Protects the internal drive against environmental exposure in the field.
SkyHawk Health Management: Active drive monitoring compatible with supported NVR systems.