WD Ultrastar DC HC550 18 TB 3.5" Internal 512MB SATA 7200rpm 512E SE NP3

Brand New

Driving Up Capacity and Driving Down TCO for Cloud and Hyperscale Data Centers

The breadth and depth of Big Data is driving the universal need for higher capacities across a broad spectrum of applications and workloads. Laying the foundation for a worry-free data center, Western Digital delivers the capacity to conquer the data explosion with the Ultrastar DC HC500 series of hard disk drives (HDDs). The DC HC500 series is designed for public and private cloud environments where storage density and cost-efficient infrastructure is critical.

The 18TB/16TB Ultrastar DC HC550 HDDs are the first commercial implementation of Energy-Assisted Magnetic Recording technology and utilize the industry’s first Triple Stage Actuator. These technologies, integrated with HelioSeal on a 9-disk platform, deliver the highest areal density and unmatched Total Cost of Ownership for customer and market needs.

Product Details

Up to 18TB capacity in a standard 3.5-inch form factor

Industry’s first Energy-Assisted Magnetic Recording technology

Industry’s first Triple Stage Actuator

Leading HelioSeal technology

Reliable, field-proven design across five generations

HelioSeal design delivers power efficiency (Watts/TB)

2.5M hours MTBF rating and a 5-year limited warranty

Applications and Workloads

Cloud & Hyperscale Storage

Massive Scale-Out (MSO), high-density data centers

Distributed File Systems

Bulk storage using Object storage solutions like Ceph™ and OpenStack Swift

Primary and secondary storage for Apache Hadoop® for Big Data Analytics

Surveillance Analytics

Continuous Innovation for Highest Capacities and Lower TCO

The Ultrastar DC HC550 18TB CMR HDD and Ultrastar DC HC650 20TB SMR HDD are delivering industry leading capacity for the data center through a combination of new and proven technologies.

Western Digital is the first to deliver Energy-Assisted Magnetic Recording (EAMR) technology and a Triple Stage Actuator (TSA). These new technologies combined with further mechanical innovations and HelioSeal technology provide the industry’s highest capacities to enable data at scale with optimized TCO for data center architectures, while maintaining workload reliability and performance.

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