Brand: Western Digital / HGST · SKU: HUH721212ALE601 · MPN: HUH721212ALE601 · Category: Storage
The Western Digital Ultrastar DC HC520 (formerly HGST Ultrastar He12) is a high-capacity, helium-filled enterprise hard drive designed for massive scale-out data centers and cloud storage environments. Utilizing fourth-generation HelioSeal technology, this 12TB drive offers a 20% capacity increase over its predecessor while maintaining the standard 3.5-inch form factor. It uses traditional Perpendicular Magnetic Recording (PMR) technology, making it a 'drop-in' replacement for any enterprise-capacity application. Key features include a 7200 RPM spindle speed, 256MB data buffer, and a 2.5 million hour MTBF rating. The helium-sealed design significantly reduces internal friction and turbulence, resulting in lower power consumption (up to 52% lower Watts/TB compared to air-filled drives) and improved reliability in high-density, multi-drive systems.
| MTBF | 2.5 Million Hours |
|---|---|
| Cache | 256 MB |
| Capacity | 12TB |
| Interface | SATA 6Gb/s |
| Encryption | SED (Self-Encrypting Drive) |
| Form Factor | 3.5-inch |
| Sector Size | 512e |
| Spindle Speed | 7200 RPM |
| Data Transfer Rate | Up to 255 MB/s sustained |
| Recording Technology | PMR / CMR |
| Warranty | 5-Year Limited Manufacturer Warranty |
| Weight | 1.45 lbs (660g) |
| Dimensions | 5.78 x 4 x 1.02 inches (147 x 101.6 x 26.1 mm) |
Designed for demanding workloads up to 550TB per year, the Ultrastar DC HC520 provides the storage density needed for hyperscale cloud, big data analytics, and surveillance applications. Its HelioSeal design ensures cool, quiet, and power-efficient operation.
Yes, this Western Digital Ultrastar DC HC520 12TB 7200 RPM SATA 6Gb/s 256MB Cache 3.5-Inch Enterprise Hard Drive (HUH721212ALE601) is 100% genuine Western Digital / HGST hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Western Digital Ultrastar DC HC520 12TB 7200 RPM SATA 6Gb/s 256MB Cache 3.5-Inch Enterprise Hard Drive 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 HUH721212ALE601.