Supporting the industry's best response times for an 20TB a nearline drive, the MDD 3.5 HDD enables the fastest data transfers thanks to our comprehensive advanced caching technology.Meet your storage workload requirements in the most efficient and cost-effective data center footprint available on the market.

When building maximum density server and storage solutions with the 20TB Enterprise Capacity 3.5 HDD, you can rest easy knowing that your storage infrastructure can scale to meet your growing capacity needs, while offering your users a consistent and predictable response rate. Built to support enterprise-class nearline workloads of 550TB/yr, and backed by 2M hours MTBF as well as a 5-Year Limited Warranty, the Enterprise Capacity 3.5 HDD helps to ensure you can meet all of your bulk storage SLAs.

High capacity storage for multi-drive chassis requires predictable and reliable performance. The Enterprise Capacity 3.5 HDD is built to support enterprise-class nearline workloads of up 550 TB per year, which is up to 10x the rated workload of desktop HDDs. Clearly, the Enterprise Capacity 3.5 HDD can help to ensure that you meet your rigorous bulk storage SLAs.

Capacity-Optimized Enterprise Hard Drive for Bulk-Data Applications

• 20TB, 3.5-inch enterprise drive with industry-leading technology, resulting in 33% more storage in the same storage slot
• Advanced Write Caching feature to utilize enhanced algorithms, resulting in the industry's highest nearline storage workload performance efficiencies-100% performance improvement in random writes over last-generation drive
• Widely accepted, proven ninth-generation conventional perpendicular recording technology for reliable access to unstructured data in bulk storage applications
• SATA 6Gb/s interfaces in industry-standard advanced formats for easy integration into replicated and RAID multi-drive storage servers and systems
• State-of-the-art cache, on-the-fly error-correction algorithms
• Industry-leading rotational vibration tolerance design helps ensure consistent performance in dense multi-drive systems
• Engineered for 24×7 workloads of 550TB/yr-10× that of desktop drives
• Robust performance with dual processors, ramp load technology, top-cover attached motor and humidity sensor for optimum performance in all chassis

• Hyperscale applications/cloud data centers with replicated storage
• Massive scale-out data centers and big data analytics
• High-capacity density RAID storage
• Mainstream enterprise external storage arrays (SAN, NAS, DAS)
• Distributed file systems, including Hadoop and Ceph
• Enterprise backup and restore-D2D, virtual tape
• Surveillance System Storage
• Desktop Computer PC

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