WD 22TB 3.5" 7200 512MB SATA Purple Pro Surveillance

Features

The WD Purple Pro series hard drive is used in video surveillance systems where stable operation with multi-channel data streams is required. The 22 TB capacity allows storing large video archives.

A spindle speed of 7200 RPM combined with a 512 MB cache provides stable performance during video recording and playback. A maximum sustained transfer rate of up to 265 MB/s enables handling continuous recording streams.

The drive is optimized for multi-stream operation and supports up to 64 single-stream HD cameras and up to 32 video analytics streams. This allows deployment in multi-channel surveillance systems.

The model is designed for 24/7 operation and supports workloads up to 550 TB per year. The design is intended for stable performance in multi-drive and server environments.

Support for drive health management technologies enables integration into video management systems.

Technologies (used)

• SATA III (6 Gb/s) high speed interface
• AllFrame AI video stream optimization
• WDDA drive health monitoring
• OptiNAND background operations
• Support for up to 64 cameras multi-stream recording
• Support for up to 32 AI streams video analytics
• 24/7 operation continuous workload
• Durable components for harsh environments
• RAID and JBOD support multi-drive systems

Technical specifications

• Model: WD Purple Pro WD221PURP
• Type: internal HDD
• Capacity: 22 TB
• Form factor: 3.5"
• Interface: SATA III (6 Gb/s)
• Spindle speed: 7200 RPM
• Cache: 512 MB
• Recording technology: CMR
• Max sustained transfer rate: up to 265 MB/s
• External data transfer rate: up to 600 MB/s
• Workload rate: up to 550 TB/year
• MTBF: up to 2.5 million hours
• Dimensions (L × W × H): 147 × 101.6 × 26.1 mm
• Weight: 670 g
• Operating temperature: 0°C to 65°C
• Storage temperature: -40°C to 70°C
• Application: video surveillance, NVR, video analytics

Who is it for

• Video surveillance systems
• NVR and DVR
• Video analytics servers
• Security infrastructure
• Continuous recording systems
• Enterprise storage systems

Conclusion

The WD Purple Pro 22 TB hard drive is designed for continuous video recording and data processing environments. It combines high capacity, stable transfer performance, and support for multi-stream workloads. The model is used in scalable surveillance systems and server solutions.