WD Purple 4TB Surveillance Hard Drive

Brand: Western Digital
Series: Purple
Item Weight: 15.9 ounces (451 grams)
Product Dimensions: 5.8 x 4 x 1 inches (147.32 x 101.6 x 25.4 mm)
Color: Purple
Storage Capacity: 4 TB
Hard Drive Interface: Serial ATA-600 (SATA 6Gb/s)
Hard Drive Rotational Speed: 5400 RPM

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WD Purple 4TB Surveillance Hard Drive in Nairobi Kenya. The price for WD Purple 4TB Surveillance Hard Drive in Kenya is 10,000 Shillings.

WD Purple 4TB Surveillance Hard Drive Product Overview

The WD Purple 4TB Surveillance Internal Hard Disk Drive is a 3.5″ SATA drive with a data transfer rate of 6 Gb/s that is designed to withstand the stresses placed on it in a 24/7 surveillance system. With support for up to 32 high-definition surveillance cameras, this 4TB hard drive can hold a large amount of data and gives you the ability to easily upgrade and expand your security system.

A 64MB cache helps to ensure uninterrupted data transfers and the drive’s 300,000 load/unload cycles, combined with its 1 million hours MTBF helps ensure the drive will have a strong operational life. This drive is compatible with both Windows and Macintosh operating systems and includes mounting screws.


Improve Performance with AllFrame
This WD Purple Surveillance-class hard drive is equipped with AllFrame technology which works with ATA streaming to reduce frame loss, improve playback and increase the number of drive bays supported. AllFrame reduces video interruptions that commonly occur when desktop hard drives are incorrectly used as storage in security systems. Missed frames and lost footage can be a problem when an event occurs and surveillance footage needs to be retrieved. WD Purple with AllFrame provides the confidence you should expect when it’s time to play back and review critical surveillance footage.

Optimized Performance for Up to 32 Cameras
With support for up to 32 high-definition surveillance cameras, this WD Purple hard drive gives you the flexibility to upgrade and expand your security system in the future.

Surveillance-Class Drive
WD Purple surveillance-class storage has been tested to be compatible in a wide-range of security systems. These drives are designed to replace standard desktop drives that were not designed for the 24/7 always-on, high-definition surveillance environment. Desktop drives are built to run for only short intervals and are not engineered to withstand high-temperature fluctuations and equipment vibrations found in a typical surveillance application.

IntelliPower Rotational Speed
In terms of speed, this drive operates using WD’s IntelliPower rotational speed. This means that the rpm speed of the drive depends on the operations being performed. If the drive is performing mostly sequential reads and writes, its speed will be increased as compared to if it were performing mostly random mode operations. This 6TB drive also features a 64MB cache helps ensure uninterrupted data transfers.

Surveillance Storage
The WD Purple Surveillance Hard Drive is designed for high temperature, always-on, surveillance security systems to ensure reliability and quality video play back when you need it most.

Low Power Consumption
With integrated IntelliSeek technology, this WD Purple drive calculates the optimum seek speed which lowers power consumption, noise and vibration that can damage and cause drives to wear out more quickly.

Windows and Mac Compatible
Compatible with Windows 8, 7, Vista, and XP
Compatible with Mac OS X Mountain Lion, Lion, and Snow Leopard

Technical Specifications

Form factor: 3.5-inch
Interface: 6.0 Gbit/s
Capacity: 4 TB


Rotational speed: IntelliPower *
Buffer size: 64 MB
 Load/unload Cycles: 300,000 minimum
Buffer To Host (Serial ATA): 6 Gb/s (Max)
Host to/from drive (sustained): 145 MB/s
Performance class: 5400 RPM


Workloads: 180TB/yr
Unrecoverable error rate: 1 per 10E14 bits read
Operating7 (W): <1 in 1014
Load / Unload Cycle: 300,000
MTBF: 1,000,000


Operating Shock: 65 G / 2.0 ms
Storage Shock: 250 G / 2.0 ms
Operating Temperature: 32 to 149°F / 0 to 65°C
Storage Temperature: -40 to 158°F / -40 to 70°C
Power Draw: 5.1 W (Active), 4.5 W (Idle), 0.5 W (Standby)


Dimensions (W x H x D): 26.1 mm x 101.6 mm x 147 mm
Weight (approx.): 1.5 lb / 0.7 kg

The Western Digital Purple series is tailored for surveillance systems, providing reliable and high-performance storage solutions.  offers ample space and is designed to handle the continuous recording demands of high-definition security environments.

Own the WD Purple 4TB Surveillance Hard Drive for less!  Get it fast at unbeatable prices from Elvis & Ken Computers in Nairobi, Kenya. They even offer doorstep delivery – within 2 hours in Nairobi and 24 hours countrywide!


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