Western Digital Ultrastar DC HC550 3.5 18TB 7200rpm 512MB SATA3 (WUH721818ALE6L4/0F38459)

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18TB WD ULTRASTAR DC HC550 WUH721818ALE6L4 Ent.

WESTERN DIGITAL Ultrastar DC HC550 18TB HDD SATA Ultra 512MB 7200RPM 512E SE NP3 DC HC550 3.5inch Bulk - WUH721818ALE6L4
id="p3907037"> WESTERN DIGITAL Ultrastar DC HC550 18TB HDD SATA Ultra 512MB 7200RPM 512E SE NP3 DC HC550 3.5inch Bulk - WUH721818ALE6L4Manufacturer HGSTManufacturer Part No 0F38459Marketing DescriptionThe 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.

GeneralDevice TypeHard drive - internalCapacity18 TBForm Factor3.5"InterfaceSATA 6Gb/sBuffer Size512 MBFeaturesRotational Vibration Safeguard (RVS), HelioSeal, Conventional magnetic recording (CMR), Media Cache Plus, Two-Dimensional Magnetic Recording (TDMR), Energy-Assisted Magnetic Recording (EAMR), Triple State Actuator (TSA)Width101.6 mmDepth147 mmHeight26.1 mmWeight690 gPerformanceDrive Transfer Rate600 MBps (external)Internal Data Rate262 MBpsAverage Latency4.16 msSpindle Speed7200 rpmReliabilityMTBF2,500, 000 hours24x7 OperationYesNon-Recoverable Errors1 per 10^15Load / Unload Cycles600,000Expansion & ConnectivityInterfaces1 x SATA 6 Gb/sCompatible Bay3.5"PowerPower Consumption6.5 Watt (typical)
5.6 Watt (idle)Manufacturer WarrantyService & SupportLimited warranty - 5 yearsEnvironmental ParametersMin Operating Temperature5 °CMax Operating Temperature60 °CMin Storage Temperature-40 °CMax Storage Temperature70 °CShock Tolerance (operating)50 g @ 2 ms half-sine waveShock Tolerance (non-operating)250 g @ 2 ms half-sine waveVibration Tolerance (operating)0.67 g @ 5-500 HzVibration Tolerance (non-operating)1.04 g @ 2-200 Hz Technical data provided by third party. We assume no liability for errors within these data.
HGST

 

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