Ultrastar DC HA340 Data Center 3.5” SATA HDD 4TB 512e 0B47076 Features: Delivers High IOPS with Proven Technology A unique combination of field-proven hardware with the latest innovative technologies enables these air-filled drives to deliver high IOPS to data intensive applications. Optimized Performance and Durability Performance-optimized to deliver higher access densities (IOPS/TB) to data intensive applications with proven durability. Rapid Qualification and Integration Leveraging hardware designs from generations of highly successful products ensures easy qualification, seamless integration and rapid adoption by existing customers. Reliability You Can Trust Built off the same platform that is deployed in thousands of data centers around the world, these drives deliver superior dependability and field-proven reliability for hassle free data storage. Protected Against Vibration & Shock Disturbances caused by increased vibration are anticipated and proactively counteracted by Rotation Vibration (RV) sensors and subtle shock events are automatically detected by multi-axis shock sensors and compensated for with dynamic fly height technology to maintain performance and protect data. Trusted Reliability, Quality and World-Class Support As an industry-leading hard drive manufacturer, Western Digital stands behind their Ultrastar hard drives with the assurance of a projected 2.0M-hour MTBF rating, a 5-year limited warranty and world-class support services to help create environments for data to thrive. Specifications: General Capacity 4TB Form Factor 3.5-Inch Random Read 154IOPS Random Write 425IOPS Interface SATA 6Gb/s Transfer Rate up to 267MB/s Disk Speed (RPM) 7200 RPM Recording Technology CMR Cache Size 256MB Warranty 5-Year Limited Warranty Dimensions (L x W x H) 5.787" x 4" x 1.028" Weight 715gms Operating Temperature 5°C to 60°C Non-Operating Temperature -40°C to 70°C Compatibility Windows® Windows Server® Linux® In The Box Ultrastar DC HA340 Data Center Drive