WD Purple 8TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 128MB Cache 3.5 Inch - WD80PURZ
Brand: Western Digital
Color: Purple
Engineered specifically for surveillance security systems, supports up to 180 TB/yr. workload rate
The WD Purple drive is designed for both DVR and NVR security systems, and is compatible with many of the the leading surveillance and security manufacturers
Tuned for write-intensive, low bit-rate, high stream-count applications typical to most surveillance applications
Prioritized write-operations for maximized surveillance performance
TLER & ATA streaming support