Seagate SV35.4 Series hard drives are designed to optimize performance, save power and improve reliability in digital video surveillance systems. They're built specifically for the high write duty cycles found in 24x7 video surveillance operations. 40 percent lower power consumption than previous generation enables higher reliability for eco-friendly surveillance systems. 24x7 reliability with >1 million hours MTBF and <1 percent AFR Uncompromising reliability in harsh operating environments, including case temperatures up to 75 C. Enhanced caching capabilities enable superior video recording quality. ATA-7 streaming commands optimize video streaming performance and integrity. Recording of multiple simultaneous video streams while maintaining high data integrity 20-mm form factor provides more ventilation in a multi-drive environment. Best-in-class acoustic performance means virtually silent operation. Seagate 5-year limited warranty