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Hikvision Branded WD40PURX-78 WD 4TB Purple Surveillance Hard Drive

The WD40PURX-78 4TB WD Purple Surveillance hard drive has been engineered specifically for the extreme demands of high temperatures, 24/7 surveillance systems. This device was designed by a worldwide leader in the storage industry. The 4TB WD Purple hard drive is engineered for quality video playback when you need it most, it is optimized to support up to 64 cameras, giving you the flexibility to upgrade or expand your security system.


The Hikvision Branded Western digital 2 terabytes WD40PURX-78 WD 4TB Purple Surveillance hard drive. Built for 24/7, always-on, high-definition security systems. A supported workload rate of up to 180 TB/yr1 and support for up to 64 cameras. The WD Purple drives are optimized for surveillance systems.

With WD40PURX-78 WD 4TB Purple Surveillance hard drive Industry-Leading Enclosures and Chipsets Support, it is most suitable for  DVR’sNVR’s or XVR’s. Its low power consumption at high-temperature and its Intelliseek technology helps reduce damaging ambient noise and vibrations.

Product specification

Model: WD40PURX

Capacity: 4 TB

Features: Time-Limited Error Recovery (TLER), Advanced Format technology, HelioSeal, surveillance system compatible, 24×7 availability, Write-Intensive endurance, and AllFrame 4K.

Interface: SATA 6Gb/s

Buffer Size: 64 MB

Weight: 15.87 oz

Manufacturer: Western Digital Corp.

Storage Interface: Serial ATA-600

Compliant Standards: Directive 2002/95/EC

Internal Data Rate: 110 MBps

Spindle Speed: 5400 rpm

Interfaces: 1 x SATA 6 Gb/s

Form Factor: 3.5″

Spindle Speed: 5400 rpm

Features: 24×7 availability, Advanced Format technology, AllFrame 4K, HelioSeal, Time-Limited Error Recovery (TLER), Write-Intensive Endurance, and surveillance system compatible

Hard Drive Type: internal hard drive

Data Transfer Rate: 600 MBps

Non-Recoverable Errors:1 per 10^14

Load / Unload Cycles: 300,000

24×7 Operation: Yes

Min Storage Temperature: -40 °F

Max Storage Temperature: 158 °F

Min Operating Temperature: 32 °F

Max Operating Temperature: 149 °F

Sound Emission: 22 dBA

Brand: WD

Product Line: WD Purple Surveillance Hard Drive

Model: WD40PURX

Mode: idle, read, sleep, standby, and write

Value: 0.4Watt, 2.9Watt, 3.3Watt

Shock Acceleration (Operating): 30 g

Shock Duration (Operating): 2 ms

Shock Acceleration (Non-operating): 250 g

Shock Duration (Non-operating): 2 ms

Non-Recoverable Errors: 1 per 10^14.

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