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Silver 3.5-inch internal hard drive with silver label and exposed circuit board

Western Digital

Western Digital WD2005FBYZ 2TB 7200 RPM 128MB SATA 3.5" internal hard drive

SKU CH-EXDA-TDSAS MPN WD2005FBYZ

Enterprise-class 3.5" SATA drive with 2TB capacity, 7200 RPM speed and 128MB cache built for heavy workloads up to 550TB per year

  • Total capacity2 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed7,200 RPM
  • Cache memory128 MB
  • Max height26.1 mm

Capacity 2TB

  • Enterprise workloads handled up to 550TB per year
  • 5M hours MTBF for enhanced reliability
  • Vibration protection corrects disturbances in real time
  • 7200 RPM with 128MB cache for responsive performance
  • SATA 6.0Gb/s interface in 3.5" enterprise form factor

2TB SATA enterprise drive

The Western Digital WD2005FBYZ is a 2TB 3.5-inch hard drive built for enterprise storage systems and data centres. It spins at 7200 RPM with a 128MB cache and connects through a SATA 6.0Gb/s interface. The Gold series is designed to handle heavy application workloads in demanding environments.

Suited for servers and arrays.

This drive suits administrators deploying RAID arrays, NAS units or backup servers that require sustained throughput and vibration protection. It is not intended for laptop upgrades, external enclosures or systems that need a 2.5-inch form factor or solid-state speed.

550TB annual workload rating

The drive is rated for workloads up to 550TB per year, among the highest for a 3.5-inch hard drive. This figure indicates the volume of data writes and reads the drive is engineered to sustain in enterprise-class storage systems and data centres.

How it compares

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

Price $106.99
Typical for this category: the median of 4,938 items is $107.99.
Total capacity 2 TB
Typical for this category: the median of 2,372 items is 2 TB.
Price per TB $53.50 per TB
Cheaper than about 58% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameWD
Product lineGold
Model nameWD2005FBYZ
Total capacity2 TB
Recommended useFor Enterprise Storage
Performance
Rotational speed7,200 RPM
Storage
Cache memory128 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 weight0.74 kg
Package size224 × 152 × 76 mm

Other versions of this model

5 more in the same range

Questions about this item

What are the exact height, width and length of this 3.5-inch WD Gold drive so I can confirm it fits my bay?

The drive measures 26.10 mm high, 101.60 mm wide and 147.00 mm long, matching the standard 3.5-inch form factor.

Which screws and orientation should I use when mounting the WD2005FBYZ in a desktop chassis?

Use the four M3 threaded holes on the bottom or the side holes; keep the label facing up and do not over-tighten beyond 0.5 Nm.

After how many terabytes written should I plan to replace this enterprise drive under heavy workloads?

The drive is rated for workloads up to 550 TB per year; plan replacement when annual writes approach that limit or SMART attributes show degradation.

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