INTERNAL HD 22TB WESTERN DIGITAL WD221PURP 3.5" SATA

Place your order in the next and receive it, at the latest, in Tue, Mar 03, 2026

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He Western Digital WD221PURP 22TB internal hard drive It's a hard drive from the WD Purple Pro line, optimized and specifically designed for advanced, high-capacity video surveillance systems that operate 24/7. It includes technologies to manage workloads and ensure data integrity in continuous recording environments.

Technical specifications

According to information from the manufacturer and retailers such as CDW and B&H , the key specifications of the WD Purple Pro WD221PURP of 22 TB are the following :

Capacity : 22 TB.
Interface : SATA 6 Gb/s.
Form factor : 3.5 inches.
Rotation speed : 7200 RPM.
Cache : 512 MB.
Workload : Up to 550 TB/year, suitable for demanding video capture and analysis environments.
OptiNAND Technology : Helps improve capacity, performance and reliability.
AllFrame AI Technology : Reduces frame drops and improves video playback, supporting up to 32 AI streams for deep learning analysis.
Supported Cameras : Optimized to manage up to 64 single-stream HD cameras, plus concurrent AI streams.
Durability : Tarnish-resistant components for harsh environments and added ruggedness for multi-bay enclosures.
Warranty : 5-year limited manufacturer's warranty.

Recommended uses

The WD Purple Pro WD221PURP hard drive is specifically designed for the following scenarios:

Network Video Recorders (NVRs) : Ideal for surveillance systems that require continuous, high-capacity recording.
Video analytics and AI servers : Their workload capacity of up to 550 TB/year is suitable for intensive video data analysis.
Cloud-based storage solutions : For environments that demand high performance and reliability.
RAID and JBOD Systems : Compatible with configurations that require large amounts of storage.