Hard Drive, 8TB, Designed Specifically for Surveillance Use

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Advanced Storage for Smart Video Solutions

WD Purple Pro drives are designed for advanced AI-enabled recorders, video analytics servers and deep learning solutions requiring additional capacity, performance and workload capability.


  • WD Purple Pro hard drive for surveillance is engineered with advanced capabilities
  • High performance, reliability and workload capability for advanced AI-enabled recorders, video analytics appliances, deep-learning servers and cloud-based storage, including RAID and JBOD configurations.
  • Supports up to 550 TB/yr workload rate in 8TB –22TB.
  • Designed with tarnish-resistant components for harsh environments, and with additional robustness for multi-bay enclosures

Exclusive AllFrame™ AI technology
AllFrame AI technology supports up to 32 AI streams for deep learning analytics within the system while reducing frame drops.

Advanced workload capability for advanced systems
These reliable drives are built with a workload rating up to 550TB/year to keep up with the 24/7 data capture and analysis demands of advanced AI-enabled recorders, video analytics appliances, and deep learning analytics servers.

Multiple cameras, multiple streams
WD Purple™ Pro drives are optimized to handle up to 64 single-stream HD cameras in addition to 32 concurrent AI streams. This flexibility allows you to easily upgrade and scale your smart video solution to meet your changing needs. 

Purpose-built storage for your smart video solution
The WD Purple™ Pro HDD, with OptiNAND™ technology in 22TB, delivers big capacity in an enterprise-class drive for video analytics servers, AI, and deep learning systems to enable data-driven outcomes.


Model NumberADD-8TB
Formatted capacity8TB
Form factor3.5-inch
Advanced formatYes
Recording technologyCMR
RoHS compliantYes
Product Features
Cameras supportedUp to 64
Drive bays supported16
AI streams16
Firmware feature nameAllFrame
Tarnish resistant componentsYes

Interface transfer rate (max)

   Buffer to host

   Host to/from drive (sustained)

6 Gb/s

194 MB/s

Cache (MB)128
Reliability / Data Integrity
Load / unload cycles300,000
Annualized workload rating180TB/yr
Non-recoverable read errors per bits read<1 in 10^14
Limited warranty3 years
Power Management
Read/Write average power requirement6.2W
Idle average power requirement5.5W
Standby & Sleep average power requirement0.4W
Environmental Specifications

Temperature (°C, on the base casting)



0 to 65

-40 to 70

Shock (Gs)

   Operating (2ms. read/write)

   Operating (2ms, read)

   Non-operating (2ms)




Acoustics (dBA)


   Seek (average)



Physical Dimensions
Height (in/mm, max)1.028/26.1
Length (in/mm, max)5.787/147
Width (in/mm, max)4/101.6
Weight (lb/kg, +/-10%)1.58/0.72

Aiming Towards Excellence

Uniview is the pioneer and leader of IP video surveillance. Originally
introduced IP video surveillance system in China but, through consistent innovation,
Uniview now is the fourth largest manufacturer in the world. We continue to
reinvest into our technology, providing our customers with the best possible surveillance

With 16 years of technological exploration, Uniview continues to evolve, expanding
from video surveillance to AIoT. Our video surveillance product lines range includes
IP cameras, NVR, Encoders, Decoders, Storage Expansion, Client Software and Smart
Device Apps.  Our AIoT products range
from digital displays, intelligent access control, smart office, and smart

Uniview provides professional solutions covering all industries, delivered
more than 7000 cases in smart city, transportation, industrial park,
commercial, bank, residential, school, healthcare etc.

Our Vision:

Unlimited New View

Our Mission:

The Uniview team considers themselves to be citizens of the world and endeavors
to build a safer world based on ethics and professionalism, always moving
forward with fortitude to achieve progress and innovation.


To continuously improve through innovation while remaining pragmatic. To be collaborative
with our partners to allow us to grow together.  

Social Responsibility:

Uniview strives to protect the environment through efficient manufacturing
that minimizes waste.  As we continue to
grow, we stay focus on being eco-friendly in both our production facilities and
our business practices. Our manufacturing facilities are certified ISO14000 and

Uniview also shares humanitarian beliefs and feels strongly that we should
give back to society. We have volunteer teams that has held several charitable
activities providing aid to people in need.

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