Western Digital 4TB Internal 7.2KRPM 3.5″ (WD4000FYYZ) SATA Hard Drive


The Western Digital RE 4TB internal hard drive is a high-capacity nearline HDD designed for high-intensity applications. With a storage capacity of 4TB, it offers plenty of space for digital photos, videos, documents, and other digital programs. The drive operates at a data transfer rate of 6Gbps and has a vibration protection feature and a reliable dual processor. It has a workload capability of up to 550TB per year and a median time before failure of up to 1.4 million hours. The advanced features of the drive include enhanced RAFF technology, a head positioning system with two actuators, and a multi-axis shock sensor. It is compatible with laptops and has a 3.5-inch form factor with a SATA III interface.

  • Performance-optimized, high-capacity storage for high-intensity applications
  • Advanced technology delivers consistent high performance in a variety of applications
  • Designed and tested for the heaviest workloads and demanding environments
  • The ideal combination of capacity, reliability, and workload capability for data center applications
  • StableTrac and RAFF technologies enhance vibration tolerance for stable performance


Product Information:

If you are in need of managing a large number of digital files, the Western Digital RE 4TB drive is an ideal choice. With a massive storage capacity of 4 terabytes and a data transfer rate of 6Gbps, you can quickly and easily store and access all your files.

This drive has been built to last with a vibration protection feature and a reliable dual processor that can handle up to 550TB per year, making it suitable for high-intensity applications. With a high-capacity nearline feature, this product can meet even the most demanding enterprise center, data center, or cloud storage needs.

Designed for durability and reliability, this product has a median time before failure of up to 1.4 million hours. It also has twice the processing power for maximum deliverance. The form factor of this drive ensures a standard fit in desktop computers and other 3.5-inch form factor bays, and with a SATA connection, it is easy to install.

This WD4000FYYZ drive has enhanced RAFF technology that features advanced specifications and electronics. It monitors the drive and corrects the linear and rotational vibration in real-time, improving efficiency in high-workload environments. These drives also have a head positioning system with two actuators that improves positional accuracy over the data tracks.

The Multi-Axis Shock Sensor automatically detects even very subtle shock events that may occur, compensating to protect your data and information. The RAID-specific, time-limited error recovery feature prevents fallout caused by extended hard drive error-recovery processes, and the NoTouch Ramp Load feature ensures that the recording head never touches the disk media, reducing wear and tear.

This drive is put through extended burn-in testing with thermal cycling to ensure long-lasting, reliable operation. The Dynamic Fly Height Technology ensures that each read-write head’s fly height is adjusted in real-time.

Product Identifiers:

Brand: Western Digital


UPC: 0718037786810, 0843715104669

Model: WD4000FYYZ

Product Information

  • Storage Format: HDD Only
  • Storage Capacity: 4 TB
  • Compatible With: Laptop
  • Cache: 64 MB
  • Form Factor: 3.5 in
  • Features: Supports Raid, Shock Sensor, Time-Limited Error Recovery, Dynamic Flyheight Control (Dfc), Ramp Load Technology
  • Rotation Speed: 7200 RPM
  • Type: Internal Laptop Drive
  • Interface: SATA III
  • Product Line: RE
  • Dimensions:
    • Weight: 1.65 lbs.
    • Depth: 5.79in.
    • Height: 1.03in.
    • Width: 4in.

Additional Product Features

  • Platform: Linux
  • Enclosure: Internal
  • Drive Interface: Serial ATA