Western Digital WD Ultrastar Enterprise HDD 4TB 3.5' SATA 256MB 7200RPM 512N SE DC HC310 24x7 600MB Buffer 2mil hrs MTBF 5yrs wty HUS726T4TALA6L4OVERVIEWLet Your Data Thrive with Ultrastar Quality, Capacity, and Power Efficiency - Delivering highly dependable performance to any storage environment, Ultrastar hard drives are designed for demanding workloads (up to 550TB per year), 10 times the workload rating of desktop drives. Ultrastar drives employ advanced technologies for enterprise-class reliability and power efficiency, to deliver a lower total cost of ownership, so you can safeguard more of your valuable data. Western Digital is dedicated to providing a complete portfolio of hard drives to create environments for your data to thrive.. Highlights - Our most popular Ultrastar SATA models - Full range of capacities (1TB to 14TB)High workload rating, 10X higher than desktop drives, for 24x7 operation - Applications and Workloads - Cloud applications and distributed file systems like Apache Hadoop to support Big Data analytics - Bulk storage using Object storage solutions like Ceph and Open - Stack Swift - Direct & Network Attached Storage (DAS & NAS), RAID storage - Industrial or Surveillance Applications - Entry Server Storage - Get More From Your Data - Everywhere data lives, from sensors and mobile devices to the cloud, were driving the innovation necessary to help you capture, preserve, and access that data so you can unlock its full potential.