WD Purple 8TB Surveillance 3.5" Internal Hard Drive AllFrame AI 360TB/yr, 256MB Cache 7200 RPM Class

Engineered specifically for surveillance security systems Tuned for write-intensive, low bit-rate, high stream-count applications typical to most surveillance applications 8TB and above have additional enhancements and higher workload rate for AI-enabled NVRs Supports up to 180TB/yr workload rate (Up to 360TB/yr workload rate on 8TB, 10TB, 12TB, 14TB, 16TB and 18TB drives) Support for more than eight bays