Western Digital Purple Pro 14TB 3.5" 7200RPM Surveillance HDD

Overview

The Western Digital WD142PURP is a 14TB surveillance hard drive designed to meet the demands of continuous video recording environments. Operating at 7200 rpm with a SATA 6 Gb/s interface, it delivers fast and consistent data transfer speeds up to 255 MB/s. This drive is engineered for 24/7 operation, making it a reliable choice for security systems that require uninterrupted monitoring and storage of high-resolution video streams.

It supports up to 64 single-stream HD cameras and 32 concurrent AI video streams, making it well suited for advanced surveillance setups that incorporate AI-enabled video recorders and analytics. The drive’s robust workload rating and long mean time between failures ensure dependable performance in professional and large-scale security installations.

Key features

• High 14TB capacity to store extensive amounts of surveillance footage without frequent replacements
• 7200 rpm speed enables quick access and transfer of large video files, reducing lag during playback or review
• SATA 6 Gb/s interface provides fast connectivity for smooth data flow in demanding environments
• 512MB cache enhances performance during heavy workloads, supporting multiple simultaneous video streams
• Supports up to 64 HD cameras and 32 AI video streams, accommodating complex surveillance networks
• Designed for continuous operation with a 550TB per year workload rating, ensuring durability under constant use
• AllFrame AI technology minimizes video frame loss and improves playback smoothness, even with multiple streams
• Tarnish-resistant design increases reliability and longevity in multi-bay enclosures exposed to varying conditions

Key specs

• Storage capacity: 14TB
• Spindle speed: 7200 rpm
• Interface: SATA 6 Gb/s
• Cache size: 512MB
• Maximum sustained transfer rate: up to 255 MB/s
• Workload rating: 550TB per year
• MTBF (mean time between failures): 2.5 million hours
• Supported cameras: up to 64 single-stream HD and 32 AI video streams

Connectivity and compatibility

This hard drive uses a SATA 6 Gb/s interface, which is widely compatible with most modern surveillance DVRs and NVRs. Its design supports integration into multi-bay enclosures, making it suitable for expanding existing security systems or building new ones that require high-capacity storage and reliable data throughput.

Ideal uses and environments

The WD Purple Pro 14TB is a strong choice for security professionals, IT administrators, and organizations managing extensive surveillance networks. It fits well in environments that demand continuous video recording, such as commercial buildings, retail stores, transportation hubs, and large residential complexes. Its durability and performance make it suitable for setups that include AI video analytics and require long-term, uninterrupted operation.