# Western Digital 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD22PURZ

- Category: Storage
- Brand: Western Digital
- Model: WD22PURZ
- Part number: WD22PURZ
- Price (US): currently unavailable
- Price last checked: 2026-08-05
- Rating: 4.6/5 from 7920 Amazon reviews
- Warranty: 3 years
- Product page: https://buildmypc.net/component-details/storage/western-digital-wd22purz/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Western Digital |
| Model | WD22PURZ |
| Maximum Capacity | 2 TB |
| Form Factor | 3.5" (HDD) |
| Cache Memory | 256 MB |
| Interface | SATA 6.0 Gb/s |

## Key Features

- Engineered specifically for mainstream surveillance systems.
- AllFrame technology delivers optimizations for write-intensive, low bit-rate, high stream-count workloads typical to mainstream surveillance applications.
- Supports up to 180 TB/yr workload rate². | ²Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations.
- 1TB¹ through 3TB support up to eight bays; 4TB and above support up to 16 bays and employ tarnish-resistant components for harsher environments.
- ¹As used for storage capacity, 1TB = one trillion bytes. Actual user capacity may be less, depending on operating environment.

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