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WD Ultrastar DC HC520 (3.5’’, 12TB, 256MB, 7200 RPM, SATA 6Gb/s, 512E SE) SKU: 0F30146

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Western Digital Ultrastar DC HC520 12TB, 512e
Ultrastar DC HC500 series

High storage capacity for large data sets and low total cost of ownership

Excellent price/capacity ratio for cloud and hyperscale data centers
The advent of big data has led to the need for more storage across the application and workload spectrum. With the Ultrastar DC HC500 Series, Western Digital offers reliable, high-capacity hard drives that can handle the massive data growth in the data center. With HelioSeal technology, the industry’s only fifth-generation helium platform, the DC HC500 series of hard drives are designed for public clouds and private clouds where storage density, watt/TB, and €/TB are critical factors for the most economical infrastructure possible. HelioSeal technology is the foundation for high storage capacity, excellent reliability and maximum power efficiency. Our cloud and enterprise customers benefit from lower overall costs.


• Up to 14 TB of storage capacity in 3.5-inch format
• Conventional magnetic Recording (CMR) technology for reliable data storage in enterprise environments
• Reliable construction, proven in the fifth generation
• HelioSeal ensures high power efficiency (Watts/TB)
• MTBF of 2.5 million hours
• Applications and workloads

• Cloud and hyperscale storage
• Massive scale-out (MSO) in high-density data centers
• Distributed file systems
• Storage with object storage solutions such as Ceph™ and OpenStack Swift
• Primary and secondary storage using Apache Hadoop® for big data analytics
• Analysis of monitoring data
• Technical Details
• Implementation
• Memory : 12 TB
• Rotation speed : 7200 RPM
• Sector sizes : 512e
• Recording process : CMR
• Memory : 12000 GB
• Usage : Enterprise
• Model : WD Ultrastar
• Technology : 24 x 7
• Design : SATA 6 Gb/s
• Cache : 256 MB
• Mounting form : 8.9 cm (3.5”)
• Manufacturer : WESTERN DIGITAL
• Factory number : 0F30146
• Package weight : 0.707 kg
• RoHS : conform
• EAN / GTIN : 0829686005204



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WD Ultrastar DC HC520 (3.5’’, 12TB, 256MB, 7200 RPM, SATA 6Gb/s, 512E SE) SKU: 0F30146