Model: WD221PURP
from $543.99
Storage: 22TB
2 configurations available
Configuration tips
Save $236
3.5" / 10TB from $307.99
The 22TB Purple Pro 7200 rpm SATA III 3.5" Internal Surveillance Hard Drive from WD is designed for high-end AI-enabled recorders, video analytics appliances, deep-learning servers, and cloud solutions that can benefit from high-capacity storage with high performance and additional workload capability. With support for up to 64 high-definition surveillance cameras, this 22TB hard drive features AllFrame AI technology, which helps reduce frame loss, improve video playback, enables the recording of multiple streams per camera, and supports up to 32 AI streams per drive for deep learning analytics within the system.
Only buy HDDs for bulk media storage and backups; never use an HDD as your primary boot drive for Windows. Look for CMR (Conventional Magnetic Recording) drives over SMR (Shingled) for better write performance. Available from $543.99.
Mechanical hard disk drives (HDDs) are cheap to own, using a few watts of power while spinning. The main hidden cost is cloud backup subscriptions, as HDDs will eventually fail and data recovery is exorbitant.
Common Failure Modes
HDDs consist of spinning platters and delicate read/write heads, making them highly susceptible to physical shock and mechanical wear. When an HDD fails, it is replaced, not repaired, unless expensive data recovery is required.
Only buy HDDs for bulk media storage and backups; never use an HDD as your primary boot drive for Windows. Look for CMR (Conventional Magnetic Recording) drives over SMR (Shingled) for better write performance.
Mechanical hard drives have moving parts that wear out over time. They typically function reliably for several years before mechanical fatigue sets in.
The WD 22TB Purple Pro 7200 rpm SATA III 3.5" Internal Surveillance Hard Drive (OEM) is available at bhphoto, starting at $543.99.
Mechanical hard disk drives (HDDs) are cheap to own, using a few watts of power while spinning. The main hidden cost is cloud backup subscriptions, as HDDs will eventually fail and data recovery is exorbitant.
See all Hard Drives
Compare the full selection with specs and pricing.
Links may earn Covala Shopping a commission at no extra cost to you. Prices last verified at time of page load. As an Amazon Associate, Covala Shopping earns from qualifying purchases.