Western Digital Hard drive WD121KRYZ 12TB Gold SATA 3.5 inch 7200RPM 256MB Cache Bare


SKU: 204931 MPN: WD121KRYZUPC: 718037854519

391 in stock

Invest in Gold
Featuring up to ten times the workload capacity of desktop drives, WD Goldâ„¢ hard drives are designed from the ground up for enterprise-class reliability, capacity, power efficiency and performance.

Vibration Protection
Enhanced RAFF™ technology uses sophisticated electronics to monitor the drive and correct linear and rotational vibrations in real time for improved performance versus WD’s desktop drives in high-vibration environments.

RAID-specific, time-limited error recovery (TLER)
Time-limited error recovery helps to reduce drive fallout within a storage environment caused by the extended hard drive error-recovery processes common to desktop drives.

Dynamic fly height technology
Each read-write head’s fly height is adjusted in real time to ensure consistent performance for reduced errors and optimized reliability.

All WD Gold hard drives are extensively tested across a variety of popular OEM storage systems, SATA controllers, and host bus adapters, to ensure ease of integration for a plug and play solution.

Technical Specifications
Durable storage with the reliability, capacity, power efficiency and performance for enterprise-class applications.

  • Logical/Physical bytes per sector
    512 / 4096
  • Formatted capacity
  • 512n/512e user sectors per drive
  • Interface
    SATA 6 Gb/s
  • Native Command Queuing
  • Form Factor
  • RoHS compliant
  • Performance
    Data transfer rate (max):
    – Buffer to host: 6Gb/s
    – Host to/from drive (sustained): 256MB/s
    Cache (MB): 256
    Performance Class: 7022RPM Class
  • Reliability/Data Integrity
    Load/unload cycles: 600000
    Non-recoverable read errors per bits read: <1 in 1015
    MTBF (hours): 2500000
    AFR (%):0.35
  • Power Management
    Average power requirements (W):
    – Sequential read: 7.0
    – Sequential write: 6.8
    – Random read/write: 6.9
    – Idle: 5.0
  • Environmental Specifications
    Operating Temperature: 5oC to 60oC
    Non-operating Temperature: -40oC to 70C
    Shock (Gs):
    – Operating (half-sine wave, ms): 70G
    – Non-operating (half-sine wave): 300(2ms)/150(11ms)
    Acoustics (dBA):
    – Idle: 20
    – Seek (average): 36
  • Item Dimension (L inchxW inchxH inch)
    6 x 4 x 2
  • Weight
  • Warranty Information
    5 Years
1.46 lbs


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SKU: 204931 Category: MPN: WD121KRYZUPC: 718037854519