Seagate ST4000VXA07 SkyHawk 3.5" HDD, Hard Disc Drive, 4TB, SATA 6Gb/s. Optimised for DVRs and NVRs, SkyHawk™ surveillance drives are tuned for 24×7 workloads in capacities up to 10 TB.
- Built to record 90% of the time - supports up to 64 cameras
- Up to 10TB 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