Seagate SkyHawk 4TB Internal HDD, video recording for up to 64 cameras, 3.5 inch, 256MB cache, SATA 6GB/s, silver, includes Data Rescue Service (ST4000VXZ16)

["Amazon Exclusive","The SkyHawk was designed for fast DVR and NVR security camera systems, providing optimized storage space for surveillance","Supports workloads of up to 180 TB/year - that's 64 simultaneously streaming HD cameras with minimal or no frame drops","Quieter - built-in RV sensors allow drives to maintain performance in systems with multiple drive bays, and provide flexibility to scale systems when more storage is needed","More efficient power consumption reduces heat emissions and improves reliability - plus, drives can be easily monitored with SkyHawk Health Management","Enjoy lasting security with 1 million hours MTBF, a limited 3-year warranty included, and three years of in-house Rescue Data Recovery Services for data recovery"]