The Western Digital WD Purple family is engineered specifically for surveillance and smart video systems that record around the clock. Built for 24/7 always-on workloads, these drives are designed to handle the demands of multi-camera NVR and DVR setups, AI-enabled video analytics and edge recording without skipping a beat.
Exclusive AllFrame technology helps reduce dropped frames and improve overall video playback, while WD Purple Pro steps up to enterprise-class reliability with higher workload ratings, support for more cameras and AI streams, and Western Digital Device Analytics (WDDA) for proactive drive health management.
With a SATA 6 Gb/s interface, a rugged 3.5-inch form factor and capacities scaling from 2TB all the way to 26TB, there’s a WD Purple drive for everything from a home security system to a large-scale, AI-ready video deployment. Choose WD Purple for dependable everyday surveillance storage, or WD Purple Pro when you need maximum capacity, performance and analytics.
Product Highlights




Specifications
| Brand | Western Digital |
|---|---|
| Series | WD Purple / WD Purple Pro (surveillance) |
| Capacities | WD Purple: 2TB–8TB; WD Purple Pro: 8TB–26TB |
| Interface | SATA 6 Gb/s |
| Form Factor | 3.5-inch internal |
| Cache | Up to 512 MB (varies by capacity) |
| Workload | WD Purple up to 180 TB/yr; WD Purple Pro up to 550 TB/yr |
| Key Technology | AllFrame (reduces dropped frames) |
| Pro Features | WDDA health management, higher camera/AI stream support |
| Use Case | 24/7 surveillance NVR/DVR, AI-enabled smart video |
Warranty & Returns
Backed by a limited manufacturer warranty (3 years for WD Purple, 5 years for WD Purple Pro). New items may be returned within 30 days of receipt for a full refund if dead on arrival, damaged, or in unopened condition, subject to standard return policies.






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