WD Ultrastar DC HC520 12TB Enterprise HDD WD-HC520-12TB
Brand: Western Digital | Category: Enterprise HDDs
SKU: WD-HC520-12TB | Part #: WD-HC520-12TB | MPN: WD-HC520-12TB
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About the WD Ultrastar DC HC520 12TB Enterprise HDD WD-HC520-12TB
The WD Ultrastar DC HC520 12TB Enterprise HDD WD-HC520-12TB from Western Digital is enterprise-grade Enterprise HDDs hardware built for data centers. It features 12TB capacity, 3.5" form factor, SATA 6Gb/s interface, 7,200 RPM speed. The Western Digital Ultrastar DC HC520 is a 12TB enterprise-class hard disk drive engineered for demanding data center environments. Built on HelioSeal helium-sealed platform technology, the drive achieves higher areal density and reduced internal turbulence compared to air-filled designs, enabling a compact 3.5-inch form factor to deliver 12TB of raw capacity. The SATA 6Gb/s interface with 512MB of DRAM cache supports sustained sequential throughput suited to high-volume dat Available in brand new condition. Western Digital enterprise hdds products are trusted by enterprises and data centers worldwide. Available from Omnixon Global. Contact our sales team to request a quote.
Technical Specifications
| Brand | Western Digital |
| Category | Enterprise HDDs |
| SKU | WD-HC520-12TB |
| Part Number | WD-HC520-12TB |
| Condition | New |
| Capacity | 12TB |
| Form Factor | 3.5" |
| Interface | SATA 6Gb/s |
| Speed | 7,200 RPM |
| Model Family | DC HC520 |
| Manufacturer Part Number | WD-HC520-12TB |
| Formatted Capacity | 12TB (12,000GB) |
| Form Factor | 3.5-inch |
| Interface | SATA 6Gb/s |
| Spindle Speed | 7200 RPM |
| Cache (Buffer) | 512MB |
| Areal Density Technology | HelioSeal helium-sealed platform |
| Sector Format | 512e / 4Kn |
| Annualized Workload Rating (AWR) | 550TB/year |
| MTBF | 2,500,000 hours |
| Operating Temperature | 0°C to 60°C |
| Rotational Vibration Compensation | Yes (RV sensors) |
| Operating Shock | 70G (2ms, read); 40G (2ms, write) |
| Non-Operating Shock | 250G (2ms) |
| Power Mode – Active (Typical) | ~7.2W |
| Power Mode – Standby / Sleep | ~4.6W / ~0.6W |
| Dimensions (H x W x D) | 26.1mm x 101.6mm x 147mm |
| Weight | 700g (approximate) |
Frequently Asked Questions about WD Ultrastar DC HC520 12TB Enterprise HDD WD-HC520-12TB
What does the WD Ultrastar DC HC520 12TB Enterprise HDD do?
the WD Ultrastar DC HC520 12TB Enterprise HDD suits enterprise data-center storage tiers — all-flash arrays, hyperconverged storage pools (vSAN, Ceph), database backends, and high-throughput backup repositories. It is supported by major server platforms.
What are the headline specs of the WD Ultrastar DC HC520 12TB Enterprise HDD?
Key specifications for the WD Ultrastar DC HC520 12TB Enterprise HDD: new condition; capacity 12TB; interface SATA 6Gb/s; form factor 3.5 inch; rpm 7200; cache 512MB; workload rating 550TB/year. Manufacturer part number WD-HC520-12TB. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.