WD Purple 4TB 5400RPM 64MB Cache SATA 6.0Gb/s 3.5" Surveillance Internal Hard Drive

SKU: WD40PURZ

  • $218.53
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3.5-Inch | SATA III | Designed for Surveillance | Up to 256MB Cache
 

The right hard drive choice when you need storage you can rely on to capture every frame in high-workload surveillance applications.

 
 

WD Purple drives have been engineered specifically for the extreme demands of high temperature, 24/7 surveillance systems.

Performance you can rely on

From a worldwide leader in the storage industry, WD Purple is engineered for quality video playback when you need it most.

High Workload Rate

Built for 24/7, always-on, high-definition security systems. With a supported workload rate of up to 180 TB/yr* and support for up to 64 cameras, WD Purple drives are optimised for video surveillance systems.

Optimised for Large Camera Numbers

WD Purple drives are optimized to support up to 64 cameras, giving you flexibility to upgrade or expand your security system.

* Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualised (TB transferred ✕ (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations.

WD Purple HDD picture

 

With a wide range of industry-leading enclosures and chipsets supported, you're sure to find the configuration and compatibility that's right for your Network Video Recording System.


Less is More

Storage devices with low power consumption is a must in a high-temperature, always-on surveillance environment. Built-in IntelliSeek technology helps reduce damaging ambient noise and vibrations.


Designed for Surveillance

The WD Purple drive is designed for both DVR and NVR security systems, and is compatible with many of the the leading surveillance and security manufacturers. Check your systems Qualified Vendor Part List for details.


What is the difference between a desktop drive like WD Blue and a WD Purple drive?

The WD Purple drive is designed specifically for 24/7 DVR and NVR surveillance solutions and is optimized with AllFrame 4™ technology for system playback and performance.

 

What capacity do you recommend for my surveillance?

Higher capacity WD Purple drives allow you to store more footage, more high definition video, and more high quality frames per second. WD recommends 4TB or greater for your DVR or NVR surveillance solution.

 

Easy backup and upgrade

Acronis True Image WD Edition software, available as a free download, can clone drives and backup your operating system, applications, settings and all of your data.




Internal Hard Drives
Comparison Chart

Everyday Use

Maximum Performance

Especially for NAS

Superior Durability

Especially for Surveillance

Enterprise NAS

WD Blue 3.5"
WD Blue 2.5"
WD Black 3.5"
WD Black 2.5"
WD Red 3.5"
WD Red 2.5"
WD Gold WD Purple WD Red Pro
Ideal For
Home and business computing.
Photo and video editing, and maxed out gaming systems.
Specifically designed and tested for small office and home office, 1-5 bay NAS systems.
Enterprise servers, storage, and other write-intensive applications
Video Surveillance Systems - DVR's and NVR's
Specifically designed and tested for larger scale, up to 16 bay NAS systems.
Capacity Range
1-6 TB
1-6 TB
1-10 TB
1-10 TB
1-10 TB
1-8 TB
Interface
SATA 6 Gb/s
SATA 6 Gb/s
SATA 6 Gb/s
SATA 6 Gb/s
SATA 6 Gb/s
SATA 6 Gb/s
Form Factor
3.5-inch/2.5-inch
3.5-inch/2.5-inch
3.5-inch/2.5-inch
3.5-inch
3.5-inch
3.5-inch
Cache
8-128MB
16-64MB
16-256MB
128-256MB
64-256MB
64-128MB
Limited warranty
2-year
5-year
3-year
5-year
3-year
5-year
Highest capacity
     
Highest performance
       
Photo/video editing
         
Network Storage Systems
       
Video Surveillance Systems
         


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