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Silver 3.5 inch bare hard drive with green circuit board and model label

Western Digital

Western Digital WD1003FBYZ 1TB 7200 RPM SATA 6.0Gb/s 64MB 3.5" internal hard drive

SKU CH-RGPQ-TEQSH MPN WD1003FBYZ

A 1 TB, 7200 RPM SATA 6.0Gb/s 3.5" enterprise drive with 64MB cache, built for write-intensive workloads

  • Total capacity1 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Cache memory64 MB

Capacity 1TB

  • Enterprise-grade reliability for write-intensive workloads
  • 7200 RPM spindle speed for fast sequential access
  • 64 MB cache buffers burst workloads
  • 5 inch form factor fits standard drive bays
  • SATA 6.0 Gb/s interface for broad compatibility

Enterprise Nearline Storage

The Western Digital WD1003FBYZ is a 1TB 3.5-inch SATA 6.0Gb/s hard drive built for enterprise servers and storage arrays. It spins at 7200 RPM with a 64MB cache to support write-intensive workloads such as video surveillance and business-critical applications.

Suited for Always-On Workloads

This drive targets administrators who need high-capacity nearline storage for daily computing in rackmount or tower servers. Buyers who want more capacity, a smaller form factor, or a solid-state interface should consider other options.

SATA 6.0Gb/s Interface Decides Fit

The single specification that determines compatibility is the SATA 6.0Gb/s interface; the system must provide a matching port and power connector. Average seek time is 8.9ms and the drive measures 147.00mm long, 101.60mm wide, and 26.10mm high.

How it compares

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

Price $70.99
Cheaper than about 64% of the 4,938 comparable items (median $107.99).
Total capacity 1 TB
Lower than about 60% of the 2,372 comparable items (median 2 TB).
Price per TB $70.99 per TB
Typical for this category: the median of 2,365 items is $62.21 per TB.

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Specifications

Product
Brand nameWD
Product lineRE
Model nameWD1003FBYZ
Total capacity1 TB
Recommended useFor Daily Computing
Performance
Rotational speed7,200 RPM
Average seek time8.9 ms
Mean latency6Gb/s
Storage
Cache memory64 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 weight0.77 kg
Package size229 × 152 × 76 mm
Compatibility
Supported platformsWorks with Windows Vista

Other versions of this model

5 more in the same range

Questions about this item

What capacity does the WD1003FBYZ offer and is it the only size available?

This specific model provides 1TB of storage; other capacities exist in the RE series but are separate model numbers.

What does the 7200 RPM rating mean for everyday workloads?

The 7200 RPM spindle delivers an 8.9 ms average seek time and 64 MB cache, giving responsive performance for write-intensive tasks such as video surveillance or enterprise storage.

How does the SATA 6.0Gb/s interface affect real-world throughput?

The SATA 6.0Gb/s link caps the burst transfer rate at 6 Gb/s; sustained speeds are governed by the mechanical 7200 RPM platters and 8.9 ms seek time.

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