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Silver 3.5 inch internal hard drive with circuit board visible underneath

Western Digital

Western Digital WD6005FFBX 6TB 7200 RPM 256MB SATA 6.0Gb/s 3.5" internal hard drive

SKU CH-RDWQ-VXMQH MPN WD6005FFBX

6TB 7200 RPM desktop hard drive with 256MB cache and SATA 6.0Gb/s interface for enterprise NAS workloads up to 300TB per year

  • Total capacity6 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Flash memory typeHard Drive
  • Rotational speed7,200 RPM
  • Cache memory256 MB

Capacity 6TB

Show 4 more
  • Built for up to 24-bay NAS systems
  • Handles 300TB per year workload rate
  • 3D Active Balance Plus reduces vibration
  • NASware 3.0 optimises error recovery
  • 5-year limited warranty included

Enterprise NAS Storage

The Western Digital WD6005FFBX is a 6TB 3.5-inch internal hard drive built for multi-bay NAS enclosures. It spins at 7200 RPM with a 256MB cache and connects via a SATA 6.0Gb/s interface. The Red Pro series is rated for workloads up to 300TB per year and supports systems with up to 24 drive bays.

Suited For

This drive suits administrators running 24-bay NAS arrays that demand sustained write performance and vibration tolerance. It is not suited for portable externals, laptop upgrades, or any platform that only accepts 2.5-inch form factors or non-SATA interfaces.

Deciding Spec

The SATA 6.0Gb/s interface is the single specification that determines compatibility; the host must provide a standard SATA data and power connection. Only systems with 3.5-inch drive bays and SATA controllers can use this unit.

How it compares

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

Price $222.99
Pricier than about 73% of the 4,938 comparable items (median $107.99).
Total capacity 6 TB
Higher than about 75% of the 2,372 comparable items (median 2 TB).
Price per TB $37.17 per TB
Cheaper than about 73% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameWD
Product lineRed Pro
Model nameWD6005FFBX
Total capacity6 TB
Recommended useEnterprise NAS Hard Drives
Performance
Rotational speed7,200 RPM
Storage
Flash memory typeHard Drive
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 weight0.91 kg
Package size127 × 127 × 51 mm

Other versions of this model

5 more in the same range

Questions about this item

Will my NAS chassis accept the 3.5-inch form factor and SATA 6.0Gb/s interface of this WD6005FFBX drive?

Yes, any NAS bay built for 3.5-inch SATA drives will physically and electrically accommodate this model.

Can this 7200 RPM Red Pro drive share a RAID volume with slower 7200 RPM drives already in my NAS?

Mixed RPMs in one RAID array are not recommended; performance will drop to the slowest member.

How do I verify the 256MB cache and 300TB/year workload rating are active after installation?

Check the drive’s SMART attributes and the NAS management console; both report cache size and cumulative workload data.

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