Western Digital WD80PURZ Security DVR/NVR Purple Hard Drive

Western Digital

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  • Capacity up to 8TB
  • Support for up to 64 cameras per drive
  • AllFrame™ technology
  • Up to 16 AI channels for Deep Learning analytics on AI-enabled NVRs (8TB capacity)

Western Digital Purple WD (WD80PURZ) 8TB Surveillance 3.5″ Internal Hard Drive – WD Purple Surveillance Hard Drives are engineered for 24/7 reliable operation in HD security systems. SINGLE PACK


  • Capacity up to 8TB
  • Support for up to 64 cameras per drive
  • AllFrame™ technology
  • Up to 16 AI channels for Deep Learning analytics on AI-enabled NVRs (8TB capacity)
  • MTBF of up to 1.5 million hours
  • 3-year limited warranty

* As used for storage capacity, 1TB = one trillion bytes. Actual user capacity may be less, depending on operating environment.
¹ Up to 1.5M MTBF for 8TB, 10TB, 12TB and 14TB capacities (up to 1.0M MTBF for lower capacities). MTBF specifications are based upon internal testing using a 40°C base casting temperature. MTBF is based on a sample population and is estimated by statistical measurements and acceleration algorithms. MTBF does not predict an individual drive’s reliability and does not constitute a warranty.
² For capacities 4TB and higher. ³ As of April 2018
Not all products may be available in all regions of the world.
⁵ AAs used for storage capacity, one gigabyte (GB) = one billion bytes and one terabyte (TB) = one trillion bytes. Total accessible capacity varies depending on operating environment. As used  for buffer or cache, one megabyte (MB) = 1,048,576 bytes. As used for transfer rate or interface, megabyte per second (MB/s)= one million bytes per second, and gigabit per second (Gb/s)= one billion bits per second. Effective maximum SATA 6 Gb/s transfer rate calculated according to the Serial ATA specification published by the SATA-IO organization as of the date of this specification sheet. Visit www.sata-io.org for detail.
WD hard drive products manufactured and sold worldwide after June 8, 2011, meet or exceed Restriction of Hazardous Substances (RoHS) compliance requirements as mandated by the RoHS Directive 2011/65/EU.
Non-recoverable read errors per bits read.
⁸ Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred x (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations.
See http://support.wd.com/warranty for regional specific warranty details.
10 Power measurements at room-ambient temperature.
11 No non-recoverable errors during operating tests or after non- operating tests.
12 On the base casting.
13 Sound power level.

Weight 1.43 lbs

Formatted capacity⁵ 8TB
Form factor 3.5-inch
Advanced format (AF) Yes
RoHS compliant⁶ Yes
Product Features
Cameras supported Up to 64
Drive bays supported 16+
Al streams 32
Firmware feature name AllFrame Al
Tarnish resistant components Yes
Interface transfer rate (max)⁵
Buffer to host
Host to/from drive (sustained)
6 Gb/s
245 MB/s
Cache (MB)⁵ 256
Performance class 7200 RPM
Reliability/Data Integrity
Load/unload cycles⁷ 300,000
Annualized workload rating⁸ 180TB/yr
Operating7 (W) <1 in 1014
MTBF 1,500,000
Limited warranty (years)⁹ 3
Power Management 10
Average power requirements (W)
Read/Write 8.6
Idle 7.4
Standby and Sleep 0.4
Environmental Specifications 11
Temperature (°C, on the base casting)
Operating 12 0 to 65
Non-operating -40 to 70
Shock (Gs)
Operating (2 ms, read/write) 30
Operating (2 ms, read) 65
Non-operating (2 ms) 250
Acoustics (dBA)13
Idle 27
Seek (average) 29
Physical Dimensions
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%) 1.58/0.715

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