Western Digital WD Ultrastar 10TB 3.5' Enterprise HDD SATA 256MB 7200RPM 512E SE DC HC330 24x7 Server 2.5M hrs MTBF 5yrs wty WUS721010ALE6L4 Economical Capacities and Fast Data Access Key Requirements for HDDs in the Data Center IT managers need to offer storage tiers as they deploy purpose-built solutions to meet their on-prem, off-prem & cloud storage requirements.  While helium filled drives enable the highest capacities, air-filled drives offer important benefits.  With a lower TCA (total cost of acquisition), legacy options, and higher access density (IOPs/TB), they are the perfect choice for maintaining a desired level of performance while allowing customers to tailor budgets to meet their needs. The Western Digital Ultrastar® DC HC300-Series help to address data center requirements by providing capacities from 4TB to 10TB1 while increasing performance over prior generations.  They are designed for a variety of applications including traditional storage arrays, rack-mounted storage enclosures and server-based distributed storage systems, as well as distributed and scalable computing, including block and file storage architectures.  They are offered at 7,200 RPM with either 6Gb/s SATA or 12Gb/s SAS interface in Advanced Format 4Kn and512e format4. A 512n option is also available on 4TB models to support legacy systems with native 512-byte block sizes. Technology Innovation Delivers Efficiency and Performance for Traditional and Legacy Systems Full Specifications Capacity 10 T Interface SATA Security SE Disk Speed (RPM) 7200rpm Cache Size 256MB Transfer Rate up to 250MB/s Compatibility with Windows, Windows Server and Linux