Western Digital Purple 3.5" 2000 GB Serial ATA III

MORE CAMERAS. MORE CLARITY. MORE SURVEILLANCE. 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.
The Right Drive for the Job WD Purple drives have been engineered specifically for the extreme demands of high temperature, 24/7 surveillance systems.
Performance You Can Trust From a worldwide leader in the storage industry, WD Purple is engineered for quality video playback when you need it most.
Expand Your View to 64 WD Purple drives are optimized to support up to 64 cameras, giving you flexibility to upgrade or expand your security system.
SEAMLESS INTEGRATION With a wide range of industry-leading enclosures and chipsets supported, you're sure to find the configuration and compatibility that's right for your NVR.
LESS IS MORE Low power consumption is a must in a high-temperature, always-on surveillance environment. IntelliSeek technology helps reduce damaging ambient noise and vibrations.