WD Purple 4TB 3.5" Internal Surveillance Hard Disk Drive, 5400 RPM, SATA III 6 Gbps

WD Purple drives are built for 24/7, always-on, high-definition security systems. WD Purple surveillance storage feature 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 helps 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. Help make your surveillance solution future-ready knowing that WD Purple drives are ready for ultra high definition cameras. WD Purple capacities up to 8TB 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.

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.

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.

Three year limited warranty
As an industry-leading hard drive manufacturer, WD stands behind their surveillance storage solutions with a 3-year limited warranty included with every WD Purple drive.