*ST4000VX016 hard drives are not sold separately and must be ordered together with a DVR/NVR.
The Seagate SkyHawk hard drive is purpose-built for surveillance systems, offering: Seamless video recording. 24?7 continuous operation. Support for up to 64 HD cameras simultaneously. Reliability and durability for heavy recording workloads.
Capacity: 4TB. Form Factor: 3.5-Inch. Drive Design: Air. Interface: SATA 6Gb/s. Transfer Rate: 180MB/s. Recording Technology: CMR. Cache Size: 256MB. Cameras Supported: Up to 64. RV Sensor: Yes. Weight: 490gms. Operating Temperature: 0°C to 65°C. Non-Operating Temperature: -40°C to 70°C.
