Western Digital WD Purple WD44PURZ-20PK 4TB Surveillance Hard Drive

WD Purple WD44PURZ 4 TB Hard Drive - 3.5" Internal - SATA - Conventional Magnetic Recording (CMR) Method

Reliable Storage for 24/7 Video Surveillance

The Western Digital WD Purple WD44PURZ-20PK is a 4TB internal surveillance hard drive designed for mainstream security systems, network video recorders, and camera-based video storage. Built for continuous operation, this WD Purple drive helps address the elevated temperatures, equipment vibration, and demanding write workloads common in always-on surveillance environments. Unlike standard desktop drives intended for intermittent use, it is engineered to support dependable recording and playback around the clock.

Optimized for High-Stream Surveillance Workloads

WD AllFrame technology provides firmware optimizations for write-intensive, low-bit-rate, high-stream-count recording applications. These enhancements help reduce frame loss, improve video playback, and support consistent performance across compatible surveillance systems. The drive supports workload rates of up to 180TB per year and configurations of up to 16 drive bays, making it suitable for a broad range of mainstream security installations. Its 3.5-inch internal form factor and SATA interface allow straightforward integration into compatible NVRs and surveillance storage systems.

Surveillance-Class Dependability

Western Digital has developed surveillance-grade storage for more than a decade, and the WD Purple product line is built to help retain critical video when it matters most. The WD44PURZ-20PK supports camera recording applications and is backed by a 3-year limited warranty for added confidence in long-term deployment. Choose Western Digital WD Purple storage for purpose-built performance in demanding, always-on surveillance environments.

Features:

• Engineered for mainstream surveillance systems and compatible network video recorders
• WD AllFrame technology optimizes write-intensive, low-bit-rate, high-stream-count surveillance workloads
• Supports workload rates of up to 180TB per year
• Supports surveillance configurations with up to 16 drive bays
• 4TB internal storage capacity for camera recording and video playback
• 3.5-inch form factor with SATA connectivity
• Designed for continuous 24/7 surveillance operation
• Backed by a 3-year limited warranty