WD TDSourcing Gold Datacenter Hard Drive WD4002FYYZ - Hard drive - 4 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 128 MB

Key Features and Benefits:

• High workload rating
  Delivering dependable performance to any storage environment, WD Gold hard drives are designed with a high workload rating.
• Enterprise-class storage to rely on
  WD Gold hard drives deliver reliability and durability, are built for yearly operation (24x7x365) within the most demanding storage environments.
• HelioSeal technology
  HelioSeal technology allows for higher capacities and less turbulence on large storage arrays. HelioSeal technology is proven to deliver high capacity, reliability, and power efficiency you can trust.
• 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.