Western Digital 0F38529 Ultrastar DC HC550 18TB 7200 RPM SATA 6Gb/s 3.5-Inch Enterprise Hard Drive

Overview

The Western Digital 0F38529 is a high-capacity, enterprise-class 18TB hard drive from the Ultrastar DC HC550 series, designed to meet the rigorous demands of data center environments and cloud storage architectures. Utilizing Energy-Assisted Magnetic Recording (EAMR) technology and the industry's first Triple State Actuator (TSA), this drive delivers unmatched areal density and head-positioning accuracy. Built on the proven HelioSeal platform, the 0F38529 is helium-filled to reduce internal friction and power consumption, ensuring exceptional thermal efficiency for high-density racks. With a 7200 RPM spindle speed and a large 512MB cache, it provides the rapid data throughput required for 24/7 mission-critical workloads. This drive is engineered for long-term reliability with a 2.5 million-hour MTBF and a workload rating of 550TB per year, making it a premier choice for distributed file systems, big data analytics, and enterprise backup repositories.

Key Features

• 18TB Massive Capacity: Optimized for high-density data center storage.

• HelioSeal Technology: Helium-filled design for superior power efficiency and cooling.

• EAMR & TSA Technology: Advanced recording and actuator tech for precision and density.

• Enterprise Durability: Rated for 24/7 operation with a 550TB/year workload limit.

• SATA 6Gb/s Performance: 7200 RPM speed with a massive 512MB data buffer.

Technical Specifications