Seagate SV35 Series hard drives offer high capacities, durable reliability and performance tuned to the high-write workloads of todays 24?7 video surveillance systems. 1TB-per-disk technology provides cost-effective 1TB, 2TB and 3TB capacities. MTBF of >1M hours; AFR of <1%; SATA 6Gb/s interface. Optimized for 24x7 video surveillance systems. AcuTrac technology to enhance reliability even in tough operating environments. Stream more data faster and support more simultaneous cameras with SV35 Series drives.With the industry?s highest areal density rates, SV35 Series drives support data rates up to 210MB per second. Combined with new dual processor technology, 64MB of cache and surveillance-optimized write-cache management, there is no drive that matches the SV35 Series for high-performance surveillance applications.