by Lyle Smith

WD Gold 12TB Model Now Available

Western Digital has announced the expansion of its WD Gold hard drive family with a new massive 12TB model. Designed to address demanding enterprise workloads, the 12TB WD Gold will provide a significant increase in storage density for a range of enterprise and cloud storage applications.

The WD Gold line ideal for use cases that involve storing important data, as they are specifically built with for heavy-workload, high-vibration server environments and have a reliability rating of 2.5 million hours MTBF, which is one of the highest in WD’s portfolio. Moreover, the new 12TB drives leverages the company’s 4th generation HelioSeal technology, which seals helium inside the HDD for increased capacity, reliability and power efficiency. The WD Gold line also uses Enhanced RAFF technology, which consists of sophisticated electronics that monitor the drive and correct linear and rotational vibrations in real time for improved performance.

WD Gold HDD 12TB Specifications:        

  • Logical/Physical bytes per sector: 512 / 4096
  • Formatted capacity: 12TB
  • 512n/512e user sectors per drive: 23,437,770,752
  • Interface: SATA 6 Gb/s
  • Native Command Queuing: Yes
  • Form Factor: 3.5-inch
  • RoHS compliant: Yes
  • Performance    
    • Data transfer rate (max):             
      • Buffer to host: 6 Gb/s
      • Host to/from drive (sustained): 255 MB/s
    • Cache (MB): 256
    • Performance Class: 7200 RPM Class
  • Reliability/Data Integrity:             
    • Load/unload cycles: 600,000
    • Non-recoverable read errors per bits read: <1 in 1015
    • MTBF (hours): 2,500,000
    • AFR (%): 0.35
    • Limited warranty (years): 5
  • Power Management     
    • Average power requirements (W):         
      • Sequential read: 7.0
      • Sequential write: 6.8
      • Random read/write: 6.9
      • Idle: 5.0
  • Environmental Specifications     
    • Temperature (°C):          
      • Operating: 5 to 60
      • Non-operating: -40 to 70
    • Shock (Gs):        
      • Operating (half-sine wave, 2ms): 70G 300 (2ms)
      • Non-operating (half-sine wave): 150 (11ms)
  • Acoustics (dBA)
    • Idle: 20
    • Seek (average): 36
  • Physical Dimensions      
    • Height (in./mm, max): 1.028/26.1
    • Length (in./mm, max): 5.787/147
    • Width (in./mm, ± .01 in.): 4/101.6
    • Weight (lb/kg, ± 10%): 1.46/0.66

WD launched the Gold series HDDs in April of last year and quickly added a 10TB option a few months later. We reviewed the 8TB Gold drive here


The new WD Gold 12TB hard drives are now available through select distributors.

WD Gold Drives

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