WD Blue 3.5in PC Hard Drive - 4TB vs WD Purple Surveillance Hard Drive - 2TB
WD Purple Surveillance Hard Drive - 2TB is $25 cheaper; WD Blue 3.5in PC Hard Drive - 4TB has more storage (4 TB vs 2 TB).
| Specification | WD Blue 3.5in PC Hard Drive - 4TB | WD Purple Surveillance Hard Drive - 2TB |
|---|---|---|
| Price | <span class="mtag" data-amt="219.99" data-ccy="USD">$219.99</span> | <span class="mtag" data-amt="194.99" data-ccy="USD">$194.99</span> |
| CPU | — | — |
| RAM | — | — |
| Storage | 4 TB | 2 TB |
| Graphics | — | — |
| Display | — | — |
| Operating system | — | — |
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