4TB HDD is 3.5 inch HDD interface with SATA 6GB/s and 64 Cache (MB), 1 Year warranty of HDD from ‘Selecore Products & Services Pvt. Ltd.’ (Physical Damage and Burning are not covering in warranty.), High Quality Branded Product, Seagate SkyHawk Model No. ST4000VX007 4TB Surveillance Hard Disk Drive 1Pcs, Support sustains recordings from up to 64 HD Cameras for smooth, uninterrupted footage4TB HDD is 3.5 inch HDD interface with SATA 6GB/s and 64 Cache (MB), 1 Year warranty of HDD from ‘Selecore Product…See more