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WD 4TB Purple Surveillance OEM Internal Hard Drive

Model: WD40PURX

WD Warranty
Wd wd40purx 1
Wd wd40purx 1
Wd wd40purx 2
Wd wd40purx 3
Wd wd40purx 4
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Specifications

Specifications

Capacity 4 TB
User Sectors per Drive 7,814,037,168
Form Factor 3.5-inch
Advanced Format (AF) Yes
RoHS Compliant Yes

Reliability / Data Integrity

Non-Recoverable Read Errors Per Bits Read 14
Load/Unload Cycles 300,000

Power Management

Average Power Requirements Read/Write: 5.1 W Idle: 4.5 W Standby and Sleep: 0.5 W

Performance

Data Transfer Buffer to Host: 6 Gb/s Host to/from Drive (sustained): 150 MB/s
Rotational Speed 5400 rpm
Cache 64 MB

Packaging Info

Package Weight 1.85 lb
Box Dimensions (LxWxH) 8.9 x 6.1 x 2.9"

Environmental Requirements

Acoustics Idle: 25 dBA Seek (average): 26 dBA
Temperature Operating Temperature: 0 to 65°C Non-Operating Temperature: -40 to 70°C
Weight 1.50 lb / 0.68 kg
Dimensions (HxWxL) 1.028 x 4.000 x 5.787" / 26.1 x 101.6 x 147.0 mm
Shock Operating (2 ms, read/write): 30 Gs Operating (2 ms, read): 65 Gs Non-Operating (2 ms): 250
Expert Reviews
Hardware luxx.34754055
7 April 2015

The move into the 4K resolution over recent months means we’re seeing the surveillance industry evolve. Higher resolutions, more cameras and 24/7 recordings mean that the demand for storage is on the way up.

  • +

    Low operating temperature, Low power consumption, Low operating noise, Three-year warranty

  • -

    Random Access Time high and low all-round performance (both irrelavant for this sector)

User Reviews
1 April 2015
10/10

I installed this in my Tivo Roamio and its working great. People in the Tivo forums hate the WD Purple and claim its not a good drive for a DVR despite the fact that none of them have ever actually tried it.

  • +

    Ridiculously quiet Decent speed Low power Low heat 5400 rpm

  • -

    None so far

Product Highlights
  • 4TB Storage Capacity
  • 3.5" Form Factor
  • 6 Gb/s Data Transfer Rate
  • 64MB Cache
  • 5400 rpm Rotational Speed
  • 300,000 Load/Unload Cycles
  • Surveillance Class Storage
  • Supports up to 32HD Surveillance Cameras
In The Box
  • WD 4TB Purple Surveillance OEM Internal Hard Drive
  • Limited 3-Year Manufacturer Warranty
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