How much capacity do you need to feel secure?

Engineered for the Extreme Demands of 24/7 Surveillance Systems

Engineered for High-Definition Surveillance

The WD Purple drive is designed for both DVR and NVR security systems, and is compatible with many of the the leading surveillance and security manufacturers. We can help you find the perfect storage for your system.

24X7 Reliable Operation

WD Purple Surveillance Hard Drives are engineered for 24×7 reliable operation in HD security systems with up to five hard drives and up to 32 cameras.

High Capacity

Up to 12TB for the needs of 24/7, always on high-definition surveillance systems

Enhanced Workload Ratings

Up to 180 TB/year on capacities up to 8TB, and up to 360 TB/year on 8TB and above

Always-on Surveillance

Reduce frame loss, improve video playback, and increase the # of bays supported within a NVR


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. Check out our compatibility selector to find out what surveillance drive is right for you.

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WD Purple Series Data Sheet


  • Engineered specifically for surveillance security systems.
  • Supports up to 360 TB/yr workload rate1
  • 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 bays2