WD Ultrastar DC HC550 18TB 3.5 HDD SAS 512E SE 7200RPM 0F38353/WUH721818AL5204

Western Digital's Ultrastar DC HC550 is a 3.5-inch hard disk drive with an impressive 18,000 GB capacity and a speed of 7200 RPM, ideal for managing massive data storage efficiently. Part of the Ultrastar DC HC500 Series, it offers high capacity options for significant data needs and aims to reduce the Total Cost of Ownership (TCO) for cloud and hyperscale data centers.

This series addresses the growing demand for higher storage capacities across various applications and workloads due to the expansion of Big Data. With Western Digital's Ultrastar DC HC500 series, data centers can achieve reliable and extensive data storage. Designed for both public and private cloud environments, these hard disk drives are crucial where storage density and cost-efficiency are key.

The 18TB and 16TB versions of Ultrastar DC HC550 feature the world's first use of Energy-Assisted Magnetic Recording technology and the innovative Triple Stage Actuator. These advancements, combined with HelioSeal technology on a 9-disk platform, deliver the highest areal density while providing unmatched value in terms of Total Cost of Ownership.

The Ultrastar DC HC550 addresses TCO challenges with key features: offering a high capacity of up to 18TB, it is ready to handle Big Data workloads efficiently. It also boasts low power consumption, with up to 61% lower idle watts per terabyte compared to 10TB Ultrastar air-filled drives, and increased reliability, featuring a 25% higher MTBF rating than traditional air-filled HDDs.

By continuously innovating, Western Digital provides leading-edge storage solutions with the Ultrastar DC HC550 18TB CMR HDD and Ultrastar DC HC650 20TB SMR HDD. These drives achieve industry-leading capacity in data centers by integrating tried-and-tested technologies with newer mechanical developments. Western Digital leads the market with its Energy-Assisted Magnetic Recording (EAMR) technology and Triple Stage Actuator (TSA), combined with HelioSeal technology, offering unmatched storage capacities. This innovation ensures reliable, high-performance data storage solutions that scale efficiently with optimized TCO for modern data center needs.