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

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

• Engineered specifically for surveillance security systems
• Supports up to 180 TB/yr. 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. Operating/Non-operating :0 to 65 / -40 to 70
• TLER & ATA streaming support

From the manufacturer

WD Purple Surveillance Hard Disk Drive

Built for 24/7, always-on, high-definition security systems. With a supported workload rate of up to 180 TB/yr and support for up to 64 cameras, WD Purple drives are optimized for surveillance systems.

AllFrame 4KTM Technology

• Reduces frame loss
• Improves video playback
• Optimizes the HDD to thrive in high temperature, always-on, surveillance system environments

Engineered for compatibility WD Purple surveillance hard drives are built for compatibility with industry-leading chassis and chip set manufacturers for seamless integration into your new or existing video surveillance system.	Optimized performance for up to 64 cameras With support for up to 64 surveillance cameras per hard drive, WD Purple gives you the flexibility to upgrade and expand your security system in the future.	Surveillance storage for peace-of-mind WD Purple Surveillance hard drives are designed for high temperature, always-on, surveillance security systems to help ensure reliability and quality video play back when you need it most.