Western Digital WD40PURZ WD Purple 4TB Surveillance Internal Hard Drive – 5400 RPM SATA 6Gb/s 64MB Cache

Overview

The Western Digital WD40PURZ is a purpose-built 4TB hard drive from the WD Purple series, specifically designed for high-definition surveillance systems that run continuously, 24/7. This drive is engineered to withstand the unique challenges of DVR and NVR environments, including high heat fluctuations and equipment vibrations. Featuring Western Digital’s exclusive AllFrame technology, the WD40PURZ works with SATA streaming to reduce frame loss and improve overall video playback. Optimized to support up to 64 high-definition cameras, this 4TB drive provides the reliable storage and long-term durability required for home and small business security applications. With a workload rating of up to 180TB per year and low power consumption thanks to IntelliSeek technology, it ensures critical security footage is captured and preserved with maximum efficiency.

Key Features

• Surveillance-Optimized: Engineered for 24/7, always-on, high-definition security recording.

• AllFrame Technology: Reduces video frame loss and improves playback quality.

• High Camera Support: Optimized to support up to 64 single-stream HD cameras.

• 180TB/Year Workload: Built to handle the heavy write cycles of video surveillance.

• IntelliSeek Technology: Calculates optimum seek speeds to reduce power, noise, and vibration.