Seagate 8TB SkyHawk Surveillance HDD, SATA III, 256MB, Surveillance Optimized, NVR Ready Design, ImagePerfect Firmware, Rotational Vibration Sensors See More. Store More. Optimised for DVRs and NVRs, SkyHawk™ surveillance drives are tuned for 24×7 workloads in capacities up to 10 TB. Equipped with enhanced ImagePerfect™ firmware, SkyHawk helps to minimise dropped frames and downtime with a workload rating 3x that of a desktop drive and IS ready to record up to 90% of the time while supporting up to 64 HD cameras. And SkyHawk Is Vigilant •Built to record 90% of the time — supports up to 64 cameras •Up to 10 TB or 2,000+1 hours of HD video •180 TB/year workload rating, 3× the workload of a desktop drive and backed by a 3-year limited warranty •NVR ready drives deliver robust drive design for multi-drive environments •Protect your data against the unexpected with an optional +Rescue Data Recovery Service plan