SEAGATE Skyhawk 4TB Surveillance Hard SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive-Frustration Free Packaging (ST4000VX007)
Brand: Seagate
Custom-built for surveillance applications with Image Perfect firmware for crisp, clear, 24×7 video workloads
Maximum 180TB/year workload rating—3× the workload rating of desktop drives—for reliable performance in write-intensive surveillance systems
Rotational vibration (RV) sensors help maintain performance in RAID and multi-drive systems (4TB or higher)
Up to 10TB of capacity to store up to 10,000 hours of HD video