Western Digital WD Purple Surveillance Hard Drive 8TB

Brand : Western Digital 

Capacity: 8TB

Form Factor: 3.5-inch

Interface: SATA III 6Gb/s

Cache: 256MB

Drive Type: HDD (Hard Disk Drive)

Workload Rate: Up to 180TB/year

Designed for: 24/7 surveillance systems, including DVRs and NVRs

Compatibility: Optimized for high-definition video surveillance systems with support for up to 64 cameras