Western Digital WD40PURX: 4TB Surveillance Hard Drive for Reliable Video Storage and Playback

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Specification

Features	Details
Brand	Western Digital
Series	Purple
Model	WD40PURX
Capacity	4TB
Interface	SATA 6.0Gb/s
Form Factor	3.5"
Cache	64MB
RPM	5400 RPM
Load/Unload Cycles	300,000
MTTF	1,000,000 hours
Annualized Workload Rating	180 TB/year
Noise Level (Idle)	23 dBA
Noise Level (Seek)	24 dBA
Power Consumption (Read/Write)	5.1W
Power Consumption (Idle)	4.5W
Power Consumption (Standby/Sleep)	0.4W
Operating Temperature	0°C to 65°C
Non-Operating Temperature	-40°C to 70°C
Dimensions (L x W x H)	5.79" x 4" x 1.03"
Weight	1.50 lbs

Overview

Overview of Western Digital WD40PURX: 4TB Surveillance Hard Drive for Reliable Video Storage and Playback

The WD40PURX is a 4TB hard drive from Western Digital's Purple series, specifically engineered for use in surveillance systems. This drive is designed to handle the unique requirements of security environments, offering the reliability and performance necessary for continuous, around-the-clock video recording and playback. It is ideal for use in DVR and NVR systems where maintaining data integrity and ensuring smooth operation is crucial.

A key feature of the WD40PURX is its support for AllFrame technology. This technology enhances ATA streaming, helping to reduce video frame loss, improve playback, and support more drive bays in NVR systems. By reducing errors and pixilation in recorded video, AllFrame technology ensures that surveillance footage remains clear and reliable, which is vital for accurate monitoring and security.

The WD40PURX is built to support up to 64 high-definition surveillance cameras, making it suitable for both small-scale and large-scale security systems. With a 5400 RPM rotational speed and a 64MB cache, the drive balances power efficiency and performance, ensuring smooth and reliable operation even under heavy surveillance workloads. Additionally, its SATA 6Gb/s interface and 3.5-inch form factor ensure easy installation and compatibility with a wide range of DVR and NVR systems.