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Western Digital Hard Drive WD40PURZ WD Purple AV 3.5" 4TB 64MB SATA 6Gb/s 5400 RPM Bulk

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The right drive for the right job.

WD Purple drives have been engineered specifically for surveillance, so theyre able to withstand the elevated heat fluctuations and equipment vibrations within NVR environments. An average desktop drive is built to run for only short intervals, not the harsh 24/7 always-on environment of a high-definition surveillance system. A disruption to a drive could result in a failure that impacts multiple users, your security archive, or even the entire system. With WD Purple, you get reliable, surveillance-class storage thats tested for compatibility in a wide-range of security systems.

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 youre protecting loved ones or monitoring your business, WD Purple offers performance you can trust.

Trust your view with AllFrame 4K technology

Missed frames and lost footage could be a serious problem when video surveillance needs to be retrieved. 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.


Engineered specifically for surveillance security systems.

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.

Product Specifications
Interface : SATA 6 Gb/s
Formatted capacity : 4TB
Form factor : 3.5-inch
Advanced Format (AF) : Yes
RoHS compliant : Yes
Product Features
Cameras supported : Up to 64
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 : 64 MB
Performance Class : 5400-RPM Class
Reliability/Data Integrity
Load/unload cycles : 300,000
Annualized workload rating : 180TB/yr
Non-recoverable read errors per bits read : <1 in 1014
Power Management
Average power requirements :
Read/Write : 5.1 W
Idle : 4.5 W
Standby/Sleep : 0.4 W
More Information
SKU AIP-198392
Manufacturer Western Digital
Model Number WD40PURZ
UPC Code 0718037856773
Package Height 0.00
Package Length 0.00
Package Width 0.00
Product Weight 1.50
Shipping Weight 1.500000
Returnable This product may be returned within 30 days for a replacement or refund. Any physical damage must be reported within 14 days of delivery.
Warranty 1 Year Warranty
Shipping Cost 0.00
Condition New
Condition Description This product is brand new and sealed.
Package Includes Western Digital Hard Drive WD40PURZ WD Purple AV 3.5" 4TB 64MB SATA 6Gb/s 5400 RPM Bulk
MAP Price $0.00
Warehouse Code AIP
Warehouse Location 91789
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