Western Digital Ultrastar DC HC520 12TB Enterprise Hard Drive (7200 RPM/ 3.5 inch Internal/ SATA 6Gb/s)

More Value To The Data Center With Capacity, Power Efficiency And Reliability

Laying the foundation for a worry-free data center, Western Digital delivers capacity to conquer the data explosion – Ultrastar DC HC520, previously known as Ultrastar He12 and part of our HC500 series of helium-filled hard drives. Designed to handle workloads up to 550TB per year, the Ultrastar DC HC520 is the industry’s first 12TB drive and uses traditional perpendicular magnetic recording (PMR) technology to make it dropin ready for any enterprise-capacity application or environment. The stable internal environment created by fourth-generation HelioSeal® technology enables a new 8-disk design, increasing the capacity by 20% when compared to the 7-disk design of the prior generation, Ultrastar DC HC510. This high capacity helium drive offers one of the lowest power profiles in the industry to help data center architects meet eco-environmental goals and requirements. Targeted at 2.5M hours MTBF2, the Ultrastar DC HC520 provides the highest reliability rating available of all HDDs on the market today by building on the successful design of its 10TB, 8TB and 6TB predecessors. Trust Western Digital and the Ultrastar DC HC520 to deliver more capacity, more efficiency, more reliability and more value to your data center.

HelioSeal Technology Helps Solve Challenges Facing Next Generation Data Centers

Data centers are facing growing pressures. Data volume is expanding, operating costs are rising, yet budgets remain flat. Lowering the total cost of ownership (TCO) has become the focus of data center architects and the Ultrastar DC HC520 provides the best value proposition and greatest storage efficiency available. Compared to 8TB Ultrastar air-filled drives, this HelioSeal hard drive provides 50% more capacity, uses 52% less power (Watts/TB), and is 25% more reliable, rated at 2.5M hours MTBF. Datacenter ready features like a second generation dual-stage actuator—the Western Digital Micro Actuator—enhance head-positioning accuracy to deliver better performance, data integrity and overall drive reliability, especially in multi-drive environments where operational vibration is present. Refer to our technical brief to learn more. A choice of 6Gb/s SATA and 12Gb/s SAS interface enables easy integration into high performance data centers.

FEATURES:

• Provides 50% more capacity than 8TB drives
• 52% lower idle W/TB than 8TB Ultrastar air-filled drives
• More accurate head positioning, especially in multi-drive environments, for better performance, data integrity and reliability
• Maintains drive performance in high rotational vibration environments and multi-drive systems
• Better random write performance
• Dramatically improves RAID recovery time and maintains system performance during recovery
• Provides compatibility with high-performance data centers
• Improves response time and data management
• Retains previous firmware version for safe firmware updates, verified with an RSA signature
• Industry’s highest reliability rating for Capacity
• Enterprise HDD for fewer failures/less service needs
• Industry’s best for enterprise-class hard drives
• Enables swift and efficient drive redeployment and retirement
• Hardware-based encryption protects data from unauthorized use (TCG SAS options)