Optimised for NAS with AgileArray™ AgileArray enables Dual-Plane Balancing and Time-Limited Error Recovery to deliver best-in-class RAID performance in multi-bay systems. Always On, Always Accessible IronWolf drives are designed for 24x7 usage, allowing users to access their data any time, anywhere. All-CMR Portfolio All IronWolf drives utilize Conventional Magnetic Recording (CMR) technology for consistent, best-in-class NAS performance. Up to 12 TB Broad range of capacity options to deliver scalable and cost-efficient storage solutions. Built Tough IronWolf drives are rated for 180 TB/year workload, allowing consumer and commercial NAS users to seamlessly store and work with large amounts of networked data. Superior Reliability and Dependability IronWolf drives are rated for 1M hours MTBF and include a 3-year limited warranty for hassle-free data storage and best-in-class total cost of ownership (TCO) Rotational Vibration (RV) sensors. Built-in RV sensors for vibration tolerance and consistent performance in multi-bay systems. IronWolf Health Management (IHM) Actively protect your NAS data with Prevention, Intervention, and Recovery recommendations to ensure peak system health. Peace of mind with Data Recovery IronWolf drives include 3 years of complimentary Rescue Data Recovery Services - in-house secure facilities, with an industry-leading recovery rate of 95% - so you do not have to incur high recovery costs in the event of accidental data corruption or drive damage. Specifications: HDD capacity: 1 TB HDD speed: 5400 RPM Storage drive buffer size: 256 MB HDD size: 3.5" Interface: Serial ATA III