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Western Digital Ultrastar DC HC550 - Hard drive - 18TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 512MB

  • Product Status: In Stock
  • PP ID Code:AB08554
  • Manufacturer Part No:
  • Warranty:5 Years


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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 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.

  • 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)

Main Specifications

Product Description Western Digital Ultrastar DC HC550 - hard drive - 18 TB - SATA 6Gb/s
Form Factor 3.5"
Manufacturer Warranty 5-year warranty
Features HelioSeal, Energy-Assisted Magnetic Recording (EAMR)
Dimensions (WxDxH) 102 mm x 147 mm x 26 mm
Weight 690 g
Type Hard drive - internal
Data Transfer Rate 600 MBps
Buffer Size 512 MB
Capacity 18 TB
Spindle Speed 7200 rpm
Interface SATA 6Gb/s

  • Documents
    • There are no documents available for this product

  • Extended Specifications

  • Environmental Parameters
    Min Operating Temperature 5 °C
    Max Operating Temperature 60 °C
    Min Storage Temperature -40 °C
    Max Storage Temperature 70 °C
    Shock Tolerance (operating) 50 g @ 2 ms
    Shock Tolerance (non-operating) 250 g @ 2 ms
    Expansion & Connectivity
    Interfaces 1 x SATA 6 Gb/s
    Compatible Bay 3.5"
    Device Type Hard drive - internal
    Capacity 18 TB
    Form Factor 3.5"
    Interface SATA 6Gb/s
    Buffer Size 512 MB
    Features HelioSeal, Energy-Assisted Magnetic Recording (EAMR)
    Width 102 mm
    Depth 147 mm
    Height 26 mm
    Weight 690 g
    Drive Transfer Rate 600 MBps (external)
    Average Latency 4.16 ms
    Spindle Speed 7200 rpm
    Power Consumption 0.31 Watt (low power idle)
    5.6 Watt (idle max)
    MTBF 2,500,000 hours
    Non-Recoverable Errors 1 per 10^15
    Start / Stop Cycles 600,000

  • Warranty
  • Manufacturer WarrantyService & Support Limited warranty - 5 years