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Western Digital - WD Purple Pro WD221PURP
Western Digital - WD Purple Pro WD221PURP
![](https://media.zones.com/images/products/3FF09369-C4A8-41C1-86D8-989AC6165048.jpg)
Hard drive - 22 TB - surveillance, smart video - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 512 MB
$552.99
Western Digital - WD Red Pro WD221KFGX
Western Digital - WD Red Pro WD221KFGX
![](https://media.zones.com/images/products/C74AD593-A2FB-44E3-91D5-3F7A1BB4158F.jpg)
Hard drive - 22 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 512 MB
$582.99
Western Digital - WD Gold WD221KRYZ
Western Digital - WD Gold WD221KRYZ
![](https://media.zones.com/images/products/1A0CA9B6-A271-4F09-B983-F305B6F37166.jpg)
Hard drive - Enterprise - 22 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 512 MB
$512.99
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