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Silver 3.5 inch internal hard drive with SATA connectors

Western Digital

Western Digital WD4004FRYZ 4TB 7200 RPM 256MB cache 3.5" SATA internal hard drive

SKU CH-B9NW-YXPMH MPN WD4004FRYZ

4TB enterprise-class 7200 RPM SATA drive with 256MB cache and CMR recording

  • Total capacity4 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeStandard Packaging
  • Flash memory capacity4 TB
  • Recording methodCMR
  • Enterprise storage built for heavy workloads with 2.5M hours MTBF
  • 4TB capacity on CMR technology for consistent write performance
  • 7200 RPM spindle speed and 256MB cache accelerate data access
  • SATA 6.0Gb/s interface fits standard 3.5" drive bays
  • 5-year limited warranty included for long-term peace of mind

Enterprise 4TB SATA drive

The WD Gold WD4004FRYZ is a 3.5-inch internal hard drive built for enterprise storage systems and desktop PCs that need high-capacity, reliable bulk storage. It offers 4TB of capacity using CMR recording technology at 7200 RPM with a 256MB cache. Designed for continuous operation, it carries a 2.5M hour MTBF rating and includes access to a data recovery service.

SATA 6.0Gb/s throughput ceiling

The drive connects through a SATA 6.0Gb/s interface, which limits maximum sequential transfer rates to the bus ceiling of 600MB/s regardless of the mechanical platters’ speed. The 512e disk format ensures broad compatibility with current operating systems and storage controllers. Workloads that demand sustained throughput beyond the SATA link will require a different interface technology.

Standard 3.5-inch installation

The drive fits standard 3.5-inch bays with maximum dimensions of 147.00mm length, 101.60mm width and 26.10mm height, using the usual SATA data and power connectors. No special drivers are needed for the SATA interface. The main installation issues arise when the chassis lacks adequate airflow for a 7200 RPM drive or when the power supply cannot deliver sufficient 12V current for multiple drives spinning up simultaneously.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $200.99
Pricier than about 69% of the 4,938 comparable items (median $107.99).
Total capacity 4 TB
Higher than about 70% of the 2,372 comparable items (median 2 TB).
Price per TB $50.25 per TB
Cheaper than about 61% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameWD
Product lineGold
Model nameWD4004FRYZ
Part numberWD4004FRYZ
Total capacity4 TB
Recommended useFor Enterprise Storage
Performance
Rotational speed7,200 RPM
Memory
Flash memory capacity4 TB
Storage
Recording methodCMR
Cache memory256 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Max height26.1 mm
Maximum width101.6 mm
Maximum length147 mm
Shipping weight0.73 kg
Package size165 × 114 × 38 mm

Questions about this item

Should I pick the 4TB WD Gold or a larger capacity from the same series?

The 4TB model offers the same 7200 RPM speed, 256MB cache and SATA 6.0Gb/s interface as higher-capacity Gold drives, so choose based on the total space your storage system needs.

What does the 7200 RPM spindle speed deliver in a desktop or storage server?

It provides sustained throughput suitable for enterprise workloads such as RAID arrays, backup targets and database volumes that demand consistent performance.

How does the SATA 6.0Gb/s interface limit real-world transfer rates?

The SATA 600 interface caps maximum burst transfers at 6.0Gb/s; sustained sequential reads and writes will be lower and are governed by the 7200 RPM mechanical speed.

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