WD Gold 4TB Enterprise Class Hard Disk Drive – 7200 RPM Class SATA 6 Gb/s 128MB Cache 3.5 Inch WD4002FYYZ

High workload rating

Delivering dependable performance to any storage environment, WD GoldTM hard drives are designed with a workload rating up to 550TB per year, among the highest of any 3.5-inch hard drive.

Enterprise-class storage to rely on

With up to 2.5 million hours MTBF, WD GoldTM hard drives deliver reliability and durability, are built for yearly operation (24x7x365) within the most demanding storage environments, and are backed with a 5 year limited warranty.

HelioSealTM Technology

Featured in over 15 million Western DigitalTM hard drives shipped, HelioSealTM technology allows.

for higher capacities and less turbulence on large storage arrays. And now on its 4th generation design, HelioSealTM technology is eld-tested and proven to deliver high capacity, reliability, and power ef ciency you can trust.

Vibration Protection

Enhanced RAFFTM 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.Enhanced RAFF technology monitors the drive and corrects both linear and rotational vibration in real time. This delivers a significant improvement to performance in high vibration environments compared to our desktop hard drives.

RAID-speci c, 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 y height is adjusted in real time to ensure consistent performance for reduced errors and optimized reliability.