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WD Ultrastar HC555 16TB Enterprise HDD – 3.5” Data Center Drive, 512MB Cache, 269MB/s Speed, EAMR Tech
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WD Ultrastar HC555 16TB Enterprise HDD – 3.5” Data Center Drive, 512MB Cache, 269MB/s Speed, EAMR Tech

JOD329.000
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The Western Digital 16TB Ultrastar DC HC555 SATA HDD delivers enterprise-grade storage with EAMR technology, HelioSeal® design, and 512MB cache. Offering up to 269 MB/s transfer speed and 550TB/year workload capability, it’s perfect for data centers, cloud storage, and mission-critical enterprise systems.

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Western Digital 16TB Ultrastar DC HC555 Data Center HDD 3.5" SATA 512MB Cache with EAMR Technology


The Western Digital 16TB Ultrastar DC HC555 Data Center HDD is a high-capacity enterprise-class hard drive engineered for modern data centers, cloud infrastructure, and high-performance storage applications. Designed for 24/7 operation, it combines advanced technologies such as Energy-Assisted Magnetic Recording (EAMR) and HelioSeal® to deliver superior capacity, reliability, and energy efficiency.

With a blazing fast transfer rate of up to 269 MB/s and a large 512MB cache, the HC555 ensures consistent, high-speed data throughput for large-scale workloads like big data analytics, hyperscale storage, and backup solutions. Its 7200 RPM spindle speed and SATA 6Gb/s interface guarantee smooth, responsive performance for mission-critical enterprise operations.

Built with enterprise-grade durability, Rotational Vibration Safeguard (RVS), and Self-Encrypting (SE) security options, the Ultrastar HC555 ensures optimal uptime, robust data protection, and long-term reliability for multi-drive deployments. It’s the perfect solution for businesses seeking scalable, dependable, and energy-efficient storage capacity.

Main Features

  • Massive 16TB Capacity: Ideal for hyperscale data centers, cloud storage, and large-scale backup systems.
  • EAMR (Energy-Assisted Magnetic Recording): Increases data density for higher capacity and improved reliability.
  • HelioSeal® Technology: Delivers reduced power consumption, lower vibration, and cooler operation.
  • High Performance: Up to 269 MB/s transfer rate with 512MB cache and 7200 RPM speed.
  • Enterprise-Class Reliability: Built for 24/7 workloads with up to 550TB/year workload rating.
  • SE (Self-Encrypting) Security: Hardware-based data protection and secure erase support.
  • Rotational Vibration Safeguard (RVS): Maintains consistent performance in multi-drive rack systems.
  • Advanced Format (AF): Optimizes storage efficiency and improves data integrity.

Specifications

  • Model: HUS726T16TALE6L4 / Ultrastar DC HC555
  • Form Factor: 3.5 inch
  • Interface: SATA 6Gb/s
  • Capacity: 16TB
  • Cache: 512MB
  • Spindle Speed: 7200 RPM
  • Recording Technology: EAMR (Energy-Assisted Magnetic Recording)
  • Transfer Rate: Up to 269 MB/s
  • Workload Rate: Up to 550TB per year
  • Technology: HelioSeal® Design
  • Security: Self-Encrypting (SE) Model
  • MTBF: 2.5 million hours
  • Vibration (Operating): 0.67G (5–500Hz)
  • Vibration (Non-Operating): 1.04G (2–200Hz)
  • Operating Temperature: 5°C to 60°C
  • Non-Operating Temperature: -40°C to 70°C
  • Power Consumption (Active): 6.0W typical
  • Noise Level: 29 dBA (idle), 36 dBA (seek)
  • Warranty: 5-year limited warranty

Package Includes

  • 1 × Western Digital 16TB Ultrastar DC HC555 SATA Data Center Hard Drive
  • 1 × Quick Installation Guide
  • Warranty & Support Information

*Performance may vary depending on hardware, workload, and configuration. The Ultrastar DC HC555 is designed for enterprise and data center use and is not intended for consumer desktop environments.

Data sheet

Model
HUS726T16TALE6L4
Brand
Western Digital

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