Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD – 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5

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.

Engineered for compatibility
WD Purple surveillance hard drives are built for compatibility with 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.