Western Digital Purple 8TB 5400 RPM Surveillance Desktop Internal Hard Disk Drive ( WD81PURZ )

Engineered specifically for surveillance security systems Supports up to 180 TB/yr. workload rate Prioritized write-operations for maximized surveillance performance Support for more than eight bays Tarnish-resistant components Tuned for write-intensive, low bit-rate, high stream-count applications typical to most surveillance applications TLER and ATA streaming support