Designed for 24/7 Surveillance, 12TB Storage Capacity, 3.5" Form Factor, SATA III 6 Gb/s Interface, 256MB Cache, 7200 rpm, 250 MB/s Max Sustained Transfer Rate, 2 Million Hours MTBF, 300,000 Load/Unload Cycles. Designed for NVR (network video recorders) and AI-enabled NVR systems the 12TB SkyHawk AI 7200 rpm SATA III 3.5 Internal Surveillance HDD from Seagate is well-suited for units with 16 or more drive bays. Engineered for 24/7 workloads or 8760 operational hours per year this SkyHawk AI drive supports up to 64 HD cameras and 32 additional AI streams or 16 AI channels. Seagate's ImagePerfect AI technology helps to deliver zero dropped frames while high reliability is backed by a workload rate of 550TB per year. Additionally SkyHawk Health Management helps protect your surveillance storage by focusing on prevention intervention and recovery options. Should you use this drive in a RAID integrated RAID RapidRebuild technology helps provide faster volume rebuilds. Seagate built this SkyHawk AI drive with storage capacity of 12TB and a 3.5 form factor plus a SATA III 6 Gb/s interface a 256MB cache and a rotational speed of 7200 rpm all of which help to ensure uninterrupted data transfers with a sustained rate of up to 250 MB/s. Data reliability is further enhanced by 300 000 load/unload cycles a 2 million hour MTBF 1 per 1015 non-recoverable read errors per bits read and an AFR (annualized failure rate) of 0.44%.