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WESTERN DIGITAL Ultrastar DC HC550 3.5inch 26.1MM 18000GB

WESTERN DIGITAL Ultrastar DC HC550 3.5inch 26.1MM 18000GB 512MB 7200RPM SAS ULTRA 512E SE P3

by Western digital
SKU KXG0144217

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Description

WESTERN DIGITAL Ultrastar DC HC550 18TB HDD SAS Ultra 512MB 7200RPM 512E SE P3 DC HC550 3.5inch Bulk - WUH721818AL5204
   
Manufacturer WESTERN DIGITAL
Manufacturer Part No 0F38353
 
Marketing Description
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 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 Features
  • 18ТВ, enabled by EAMR
    Provides 29% more capacity than 14TB helium-filled drives.
  • Ultra-low Watts per Terabyte (W/TB)
    21% lower idle W/TB than 14TB Ultrastar helium-filled drives.
  • Triple Stage Actuator and Two-Dimensional Magnetic Recording (TDMR) technology
    More accurate head positioning, especially in multi-drive environments, for better performance and data integrity.
  • Rotational Vibration Safeguard (RVS)
    Maintains drive performance in high rotational vibration environments and multi-drive systems.
  • Media Cache Plus architecture
    Better random write performance.
  • SATA 6Gb/s & SAS 12Gb/s
    Provides compatibility with high-performance data centers.
  • 512MB cache buffer
    Improves response time and data management.
  • Dual Safe, RSA-signed firmware
    Retains previous firmware version for safe firmware updates, verified with an RSA signature.
  • 2.5M hours MTBF and 0.35% AFR
    Unsurpassed reliability rating for Capacity Enterprise HDD for fewer failures/less service needs.
General
Device Type Hard drive - internal
Capacity 18 TB
Form Factor 3.5"
Interface SAS 12Gb/s
Buffer Size 512 MB
Features Energy-Assisted Magnetic Recording (EAMR), Media Cache Plus, Rotational Vibration Safeguard (RVS), Triple State Actuator (TSA), Two-Dimensional Magnetic Recording (TDMR), Conventional magnetic recording (CMR), HelioSeal, Sanitise Cryptographic Scramble support, Sanitise Cryptographic Erase support
Width 101.6 mm
Depth 147 mm
Height 26.1 mm
Weight 690 g
Performance
Drive Transfer Rate 1.2 GBps (external)
Internal Data Rate 262 MBps
Average Latency 4.16 ms
Spindle Speed 7200 rpm
Reliability
MTBF 2,500,000 hours
24x7 Operation Yes
Non-Recoverable Errors 1 per 10^15
Load / Unload Cycles 600,000
Expansion & Connectivity
Interfaces 1 x SAS 12 Gb/s
Compatible Bay 3.5"
Power
Power Consumption 8.8 Watt (typical)
5.8 Watt (idle)
Manufacturer Warranty
Service & Support Limited warranty - 5 years
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 half-sine wave
Shock Tolerance (non-operating) 250 g @ 2 ms half-sine wave
Vibration Tolerance (operating) 0.67 g @ 5-500 Hz
Vibration Tolerance (non-operating) 1.04 g @ 2-200 Hz

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