WD Ultrastar DC HC520 12TB SATA 6Gb/s Enterprise Hard Drive
The WD Ultrastar DC HC520 12TB is a high-capacity enterprise hard drive designed for data centers, enterprise storage systems, cloud environments, servers, and demanding storage applications. With 12TB of storage capacity, it provides substantial space for large datasets, backups, archival storage, and enterprise workloads.
The drive operates at 7200 RPM and features PMR recording technology with a 256MB cache, delivering transfer rates of up to 255MB/s. Its 3.5-inch form factor and SATA interface make it suitable for compatible enterprise servers, storage arrays, and other high-capacity storage systems.
Specifications:
| Specification | Details |
|---|---|
| Brand | WD |
| Series | Ultrastar DC HC520 |
| Storage Capacity | 12TB |
| Drive Type | Enterprise Hard Disk Drive (HDD) |
| Form Factor | 3.5-inch |
| Interface | SATA 6Gb/s |
| Transfer Rate | Up to 255MB/s |
| Disk Speed | 7200 RPM |
| Cache | 256MB |
| Recording Technology | PMR |
| Sector Format | 512e |
| Dimensions (L × W × H) | 147 × 101.6 × 26.1 mm |
| Weight | 660g |
| Operating Temperature | 5°C to 60°C |
| Non-Operating Temperature | -40°C to 70°C |
Key Features:
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12TB enterprise storage capacity
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SATA 6Gb/s interface
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7200 RPM performance
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Up to 255MB/s transfer rate
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256MB cache
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PMR recording technology
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3.5-inch enterprise form factor
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Designed for data centers and enterprise storage
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Suitable for servers, storage arrays, cloud environments, and high-capacity storage applications




