The Western Digital WD Purple 4TB Surveillance Hard Drive (WD44PURZ) is specifically engineered for modern CCTV and security systems that operate around the clock. Built with advanced surveillance storage technology, this drive delivers reliable performance for DVR and NVR environments requiring continuous video recording.

Powered by AllFrame™ technology, WD Purple drives help reduce frame loss and improve video playback quality by optimizing data streaming from multiple cameras. With support for up to 64 HD cameras, it provides dependable storage for residential and commercial security systems.

Designed for durability and consistent performance, WD Purple drives handle the demanding workloads of 24/7 surveillance operations while maintaining efficient power consumption. This makes them an ideal solution for security professionals, system installers, and businesses that rely on reliable video storage.

Key Features

• 4TB Storage Capacity – Large storage for extensive surveillance footage
• Surveillance-Optimized Drive – Built for continuous 24/7 recording
• AllFrame™ Technology – Helps reduce dropped frames and improve video playback
• Supports Up to 64 HD Cameras – Designed for modern multi-camera security systems
• 3.5" SATA Interface – Compatible with most DVR and NVR devices
• Workload Optimized for CCTV Systems – Reliable performance in surveillance environments
• Low Power Consumption – Efficient operation for always-on recording systems

Technical Specifications

Brand: Western Digital
Series: WD Purple
Model Number: WD44PURZ

Capacity: 4TB
Form Factor: 3.5 inch
Interface: SATA III 6Gb/s
Cache: 256MB

Recording Technology: CMR (Conventional Magnetic Recording)

Supported Cameras: Up to 64 HD cameras

Workload Rating: Up to 180TB/year

Optimized For: DVR / NVR surveillance systems

Operating Mode: 24/7 continuous recording

Dimensions:
147 mm x 101.6 mm x 26.1 mm

Weight: Approx. 570 g

Package Contents

• Western Digital WD Purple 4TB Surveillance Hard Drive
• Protective packaging

Compatibility

Compatible with most surveillance recording systems including:

• DVR systems
• NVR systems
• CCTV security systems
• Video surveillance storage servers