Seagate SkyHawk AI 16TB 3.5" HDD for use in NVR/DVR, SATA 6Gb/s, max. sustained transfer rate 250MB/s, cache 256MB, average operating/idle power 6.71W/5.1W, MTBF 2 m hours, WRL 550 TB/year, SkyHawk Health Management and Rescue Data Recovery Services included (ST16000VE004)