WD44PURZ Western Digital Purple 4TB 3.5 Inch Surveillance HDD

The Western Digital Purple WD44PURZ 4TB Surveillance Hard Drive is designed for dependable, continuous video recording in compatible CCTV, DVR and NVR systems. With a generous 4TB storage capacity, this 3.5-inch surveillance HDD provides ample space for storing security footage, supporting longer recording retention and efficient video archiving.

The drive uses CMR recording technology and a SATA interface, making it suitable for surveillance systems that require consistent write performance. Its surveillance-focused design supports reliable operation in environments where video recording takes place around the clock.

Key Features

• 4TB storage capacity for CCTV recording and video archiving
• 3.5-inch internal hard drive form factor
• Designed for compatible surveillance systems
• CMR recording technology for consistent data recording
• SATA interface for compatibility with supported DVRs and NVRs
• Transfer rate of up to 175MB/s
• 256MB cache for efficient data handling
• Suitable for continuous surveillance recording
• 3-year limited warranty
• Designed for operation in a temperature range of 0 C to 65 C

Technical Specifications

• Brand: Western Digital
• Product Family: WD Purple
• Model Number: WD43PURZ
• Device Type: Surveillance Hard Drive
• Capacity: 4TB
• Form Factor: 3.5-inch
• Connector: SATA
• Interface: SATA
• Recording Technology: CMR - Conventional Magnetic Recording
• Transfer Rate: Up to 175MB/s
• Cache Size: 256MB
• Rotational Speed: Not specified
• Warranty: 3-year limited warranty
• Dimensions: 147 x 101.6 x 26.1mm
• Weight: Approximately 570g
• Operating Temperature: 0 C to 65 C
• Non-Operating Temperature: -40 C to 70 C

Surveillance Storage Performance

The WD44PURZ provides storage capacity for security footage from compatible surveillance cameras. Its 4TB capacity allows users to retain more recorded video before older footage is overwritten, depending on the recording settings and available storage allocation.

The actual recording duration will vary according to:

• Number of connected cameras
• Camera resolution
• Frame rate
• Video compression format
• Continuous or motion-triggered recording
• Recording schedule
• Amount of storage allocated to each camera

Applications

This surveillance hard drive is suitable for use in:

• Home CCTV systems
• Small and medium-sized business security
• Retail and office surveillance
• Warehouses and industrial facilities
• Schools and institutional monitoring
• Digital video recorders
• Network video recorders
• Security footage storage and archiving

Compatibility

The drive is intended for compatible DVR, NVR and surveillance storage systems that support a 3.5-inch SATA hard drive. Always confirm compatibility with the recorder manufacturer's specifications before installation, including supported capacity, drive format and surveillance workload requirements.

Product Summary

The Western Digital Purple WD44PURZ 4TB Surveillance HDD offers reliable, high-capacity storage for compatible CCTV and video surveillance systems. With 4TB capacity, CMR recording technology, a 256MB cache, SATA connectivity and a 3-year limited warranty, it is a practical solution for dependable surveillance video recording and retention.

What's in the box
1 x WD44PURZ Western Digital Purple 4TB 3.5 Inch Surveillance HDD