2TB Seagate Skyhawk Surveillance Internal Hard DriveWith support for up to 64 high definition surveillance cameras, this 2TB hard drive can hold a large amount of data and gives you the ability to upgrade and expand your security system. Features Optimized for DVRs and NVRs, SkyHawk surveillance drives are tuned for 24 x 7 workloads Supports up to 64 cameras 180 TB year workload rating, 3x the workload of a standard desktop drive NVR ready design allows drives to maintain performance in RAID and multi