WD Purple 4TB SATA III 3.5" Internal Surveillance HDD, 5400 RPM

WD Purple drives are built for 24/7, always-on, high-definition security systems. WD Purple surveillance storage features Western Digital's exclusive AllFrame technology, so you can confidently create a security system tailored to the needs of your business. Using AllFrame technology, WD Purple drives improve video capturing and help to reduce errors, pixelation, and video interruptions that could happen in a video recorder system. WD Purple drives have an enhanced workload rating that supports systems designed for 24x7 video recording with up to 64 cameras.

Industry-leading storage. Surveillance you can trust.
Western Digital is a worldwide leader in the hard drive industry. With WD Purple surveillance storage, you have a drive engineered for high temperature, always-on surveillance systems so you can rely on quality video playback when you need it most. Whether you're protecting loved ones or monitoring your business, WD Purple offers performance you can trust.

Western Digital's Exclusive AllFrame Technology
All WD Purple drives are equipped with AllFrame technology, which improves ATA streaming to help reduce frame loss, improve overall video playback, and increase the number of hard drive bays supported within a NVR. Make your surveillance solution future-ready knowing that WD Purple drives are ready for ultra high definition cameras. WD Purple capacities up to 6TB feature AllFrame 4K technology enabling high quality recording for up to 64 cameras.

Enhanced Workload Ratings
WD Purple drives with AllFrame 4K technology feature a workload rating of up to 180TB/year- up to three times that of desktop drives - to handle the unique demands of modern video surveillance DVR and NVR systems. WD Purple with AllFrame AI feature a workload rating up to 360TB/year to support the Deep Learning analytics that is featured in AI capable NVRs.

Expand your view to 64
Each WD Purple drive is optimized to support up to 64 cameras. With so many options, you have the flexibility to upgrade or expand your security system in the future.

Designed for Today's and Tomorrow's Surveillance Solutions
With an MTBF of up to 1.5 million hours, WD Purple drives are engineered for mainstream surveillance DVRs and NVRs that operate 24/7. With support for more than eight bays and tarnish resistant components, WD Purple drives deliver reliable operation in large scale surveillance systems in harsh environments.

Field-proven High Capacity
Now on its 5th generation, field-proven HelioSeal technology delivers trusted high-capacity WD Purple storage for the massive storage needs of 4K surveillance video and Deep Learning analytics.

Wide Compatibility. Seamless Integration.
WD Purple hard drives are built with compatibility in mind, so you can quickly and seamlessly add capacity to your surveillance system. With a wide range of industry-leading enclosures and chipsets supported, you're sure to find the DVR or NVR configuration that's right for you.

Low Power. High Efficiency.
With our exclusive IntelliSeek technology, WD Purple drives are able to calculate optimum seek speeds. This keeps power consumption low so ambient noise and vibrations are at a minimum.

The Western Digital Advantage
Western Digital puts our products through extensive Functional Integrity Testing (F.I.T.) prior to any product launch. This testing ensures our products consistently meet the highest quality and reliability standards of the Western Digital brand.

Western Digital also has a detailed Knowledge Base with more than 1,000 helpful articles as well as software and utilities. Our customer support lines have long operational hours to ensure you get the help you need when you need it. Our toll-free customer support lines are here to help, or you can access our Western Digital Support site for additional details.