Western Digital DHWD221PURP Purple Pro 22TB AI Surveillance Hard Drive

22TB surveillance-grade SATA hard drive built for advanced NVR storage, AI recorders, and heavy-duty video workloads.

The WD DHWD221PURP delivers high-capacity surveillance storage for professional systems that need dependable 24/7 recording and longer retention. With 22TB capacity, 7200 RPM class speed, 512MB cache, and CMR technology, it is designed for more demanding video environments than standard desktop drives.

Why installers choose this surveillance hard drive

• 22TB capacity helps extend retention time in multi-camera systems
• Built for AI-enabled recorders, analytics appliances, and advanced surveillance storage
• 7200 RPM class design and 512MB cache support stronger write performance
• CMR recording technology for dependable surveillance use
• Supports up to 64 single-stream cameras and up to 550TB per year workload

Best use cases

• Business and commercial NVR systems with high camera counts
• Longer retention requirements without stepping to the very top capacity tier
• AI surveillance systems that need stronger storage performance
• Professional DVR or NVR storage upgrades

Recommended with this product

• Recording Accessories
• Video Recorders
• Network Recorders NVRs
• Security Camera Accessories
• Power Management Solutions

Quick guidance

The 22TB version is a smart choice when you want very high surveillance capacity without jumping all the way to the largest drive. Always verify recorder compatibility with 22TB drives before installation.

1. Can I use the WD DHWD221PURP in a standard NVR?
Yes, if your recorder supports 3.5 inch SATA drives and accepts 22TB capacity. It is always best to verify the recorder’s storage limit first.

2. Is this a good choice for continuous recording?
Yes. This WD Purple Pro model is designed for always-on surveillance recording and heavier-duty video storage environments.

3. When does 22TB make sense?
It is a strong fit for larger camera systems, longer footage retention, or professional surveillance installations where standard drive capacities run out too quickly.