Seagate Skyhawk 1TB HDD

Custom-built for surveillance applications with Image perfect firmware for crisp,clear,24×7 video workloads
Maximum 180TB/year workload rating-3x 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