WD Purple WD30PURX 3TB 5400 RPM 64MB Cache SATA 6.0Gb/s 3.5' Internal Surveillance Hard Drive Bare Drive

Engineered specifically for surveillance security systems. Supports up to 180TB/year workload rate. 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. Support for more than eight bays. 3-year limited warranty.