Brand: WD (Western Digital) / Hitachi Hard Drives · SKU: 0F30141 · MPN: HUH721212ALN600 · Category: Storage
The Western Digital Ultrastar DC HC520 (Model HUH721212ALN600, Part Number 0F30141) is a 3.5-inch Enterprise Hard Drive with 12TB capacity. It features a SATA 6Gb/s interface, 7200 RPM spindle speed, and a 256MB buffer size. Built on the HelioSeal platform, it offers high capacity density, low power consumption (5W idle, 6.9W active), and high reliability with a 2.5 Million hours MTBF rating and 5-year limited warranty. Key features include 4K native (4Kn) sector size, Dual Stage Actuator (DSA), Enhanced Rotational Vibration Safeguard (RVS), and Instant Secure Erase (ISE) capability. It is designed for enterprise and data center applications, cloud storage, and bulk storage solutions.
| MTBF | 2,500,000 Hours |
|---|---|
| Capacity | 12 TB |
| Interface | Serial ATA-600 (SATA 6Gb/s) |
| Operation | 24x7 |
| Form Factor | 3.5" |
| Sector Size | 4Kn (4096 Bytes) |
| Spindle Speed | 7200 RPM |
| Buffer Size (Cache) | 256 MB |
| Load / Unload Cycles | 600,000 |
| Data Transfer Rate (Max) | 600 MBps |
| Power Consumption (Idle) | 5 Watt |
| Power Consumption (Active) | 6.9 Watt |
| Warranty | 5-year limited warranty |
| Weight | 23.28 ounce |
| Dimensions | 4 inch (Width) x 5.8 inch (Depth) x 1 inch (Height) |
The WD Ultrastar DC HC520 (0F30141) is a high-capacity, high-reliability 12TB enterprise hard drive utilizing HelioSeal technology and PMR technology. It is designed for high-density data centers, offering industry-leading power efficiency (Watts/TB) compared to previous generations. Key performance and reliability features include a Dual Stage Actuator (DSA), Enhanced Rotational Vibration Safeguard (RVS), and a 2.5M hours MTBF rating. It supports SATA 6Gb/s interface and Advanced Format 4Kn sector size.
Yes, this WD Ultrastar DC HC520 HUH721212ALN600 Hard Drive - 12TB (0F30141) is 100% genuine WD (Western Digital) / Hitachi Hard Drives hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This WD Ultrastar DC HC520 HUH721212ALN600 Hard Drive - 12TB includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the 0F30141.