Industry-leading storage. Surveillance you can trust.
WD 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.
WD’s exclusive AllFrame 4K technology
All WD Purple drives are equipped with AllFrame 4K 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. Future- proof your surveillance solution knowing that WD Purple is ready for ultra-high definition cameras.
The WD Advantage
Enhanced workload rating
With a workload rating1 of 180 TB/ yr – three times that of desktop drives – WD Purple is designed 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
Engineered for 24/7 operation in all sizes of mainstream surveillance DVRs and NVRs. With support for more than eight bays2 and tarnish resistant components2, WD Purple drives deliver reliable operation in larger scale surveillance systems in harsher environments.
Field-proven high capacity
Now on its 4th generation and with more than 15 million drives shipped3, field-proven HelioSeal Technology delivers trusted high-capacity WD Purple storage (8TB and 10TB) for the massive storage needs of 4K surveillance video.
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.
Less power. More efficient.
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. At WD, we put our products through extensive Functional Integrity Testing (F.I.T.) prior to any product launch. This testing ensures our products consistently meet the high quality and reliability standards of the WD brand. WD also has a detailed Knowledge Base with more than 1,000 helpful articles as well as helpful 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 WD Support site for additional details.
- Model number: WD40PURZ
- Formatted capacity: 4TB
- Form factor: 3.5-inch
- Advanced Format (AF): Yes
- RoHS compliant: Yes
- Cameras supported: Up to 64
- Maximum drive bays supported: 8
- Tarnish resistant components: Yes
- Interface transfer rate (max)Buffer to host: 6 Gb/s
- Host to/from drive (sustained): 150 MB/s
- Cache (MB): 64
- Performance Class: 5400 RPM Class
- Load/unload cycles: 300,000
- Annualized workload rating: 180TB/yr
- Non-recoverable read errors per bits read: <1 in 1014
- Limited warranty (years): 3
Average power requirements (W)
- Read/Write: 5.1
- Idle: 4.5
- Standby and Sleep: 0.4
Temperature (°C, on the base casting)
- Operating: 0 to 65
- Non-operating: -40 to 70
- Operating (2ms, read/write): 30
- Operating (2ms, read): 65
- Non-operating (2ms): 250
- Idle: 25
- Seek (average): 26
- Height (in./mm, max): 1.028/26.1
- Length (in./mm, max): 5.787/147
- Width (in./mm, ± .01 in.): 4/101.6
- Weight (lb/kg, ± 10%): 1.50/0.68
- Warranty: 3 Years