WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD40PURZ - OEM

• Supports for more than 8 bays.
• Supports up to 180TB/year workload rate.
• Engineered specifically for surveillance security systems.
• 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.
• Tarnish-resistant components.
• 3-year limited warranty.

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