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Silver 3.5 inch bare hard drive with green circuit board visible

Western Digital

Western Digital RE4 WD2003FYYS 2TB 7200 RPM 64MB SATA 3.0Gb/s 3.5" internal hard drive

SKU CH-ZSCA-66H6Q MPN WD2003FYYS

2 TB 7200 RPM enterprise SATA drive with 64 MB cache for 24/7 server workloads

  • PackagingBare Drive
  • InterfaceSATA 3.0Gb/s
  • Capacity2TB
  • RPM7200 RPM
  • Cache64MB
  • FeaturesWD RE4 enterprise SATA hard drives combine 64MB cache with d

Options 2TB

  • Enterprise-grade reliability built for 24x7x365 operation
  • Dual processors and dual-stage actuation deliver fast server performance
  • 64 MB cache accelerates heavy application workloads
  • 7200 RPM spindle speed supports high-availability storage deployments
  • 5-inch form factor fits standard enterprise drive bays

Enterprise Storage Drive

The Western Digital RE4 WD2003FYYS is a 2TB 3.5 inch internal hard drive built for enterprise storage environments. It operates at 7200 RPM with a 64MB cache and connects through a SATA 3.0Gb/s interface. This bare drive is designed for heavy application workloads and high-availability deployments requiring durable capacity.

Thermals and Acoustics

Technologically advanced acoustics minimize operational noise during demanding server tasks. Cool drive operation is engineered to protect the hardware and stored data during continuous activity. The drive supports 24X7X365 reliability for constant use scenarios without thermal throttling concerns.

Upgrade Considerations

This drive replaces older enterprise SATA drives where dual processors and dual stage actuation improve performance in RAID arrays and storage appliances. The jump is worth it when 5-year limited warranty coverage and enterprise-class reliability are required for critical data. It is not suited for portable enclosures or laptop upgrade kits due to the 3.5 inch form factor.

Highlights

  • Enterprise-grade reliability built for 24x7x365 operation
  • Dual processors and dual-stage actuation deliver fast server performance
  • 64 MB cache accelerates heavy application workloads
  • 7200 RPM spindle speed supports high-availability storage deployments
  • 5-inch form factor fits standard enterprise drive bays

Specifications

BrandWD
SeriesRE4
ModelWD2003FYYS
PackagingBare Drive
InterfaceSATA 3.0Gb/s
Capacity2TB
RPM7200 RPM
Cache64MB
FeaturesWD RE4 enterprise SATA hard drives combine 64MB cache with dual processors and dual stage actuation for lightning-fast performance in demanding server and storage applications. Technologically advanced acoustics minimize noise. Cool drive operation and enhanced reliability features help protect the drive and the data stored on it.
UsageFor Enterprise Storage
Form Factor3.5"
Height (maximum)26.10mm
Width (maximum)101.60mm
Length (maximum)147.00mm
Shipping weight0.86 kg
Package size229 × 152 × 76 mm

Other versions of this model

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Questions about this item

How do I install the WD2003FYYS 3.5" drive into a server chassis and which step is often missed?

Mount the drive using the 101.60mm width and 147.00mm length screw holes, connect the SATA 3.0Gb/s data and power cables, then set the controller to AHCI mode so the 64MB cache and dual-processor actuation work correctly.

What maintenance or replacement will the RE4 2TB drive need after extended 24X7X365 operation?

The drive has no user-serviceable parts; monitor SMART attributes for reallocated sectors and replace the unit once the threshold is exceeded to maintain data integrity in enterprise storage arrays.

Which limit appears first on the WD2003FYYS during sustained heavy workloads?

The SATA 3.0Gb/s interface bandwidth constrains sustained transfer rates before the 7200 RPM platters or 64MB cache become the bottleneck in continuous enterprise workloads.

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