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Standard 3.5 inch internal hard drive silver metal casing

Western Digital

Western Digital WD60EFAX 6TB SMR 5400 RPM 256MB SATA 6.0Gb/s 3.5" internal hard drive

SKU CH-XPK5-ZMNRN MPN WD60EFAX

A 6 TB SMR drive with 256 MB cache built for up to 8-bay NAS systems running 24/7

  • Total capacity6 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Recording methodSMR
  • Rotational speed5,400 RPM
  • Cache memory256 MB
  • Designed for NAS systems with up to 8 bays
  • SATA 6.0Gb/s interface with 256MB cache for data throughput
  • 5400 RPM spindle speed suited for 24x7 operation
  • NASware 3.0 firmware optimises compatibility and reliability
  • Supports 180TB per year workload rate for heavy use

WD Red 6 TB SMR NAS Drive

This 3.5 inch internal hard drive uses SMR recording at 5400 RPM with a 256 MB cache and a SATA 6.0 Gb/s interface. It is built for small and home office NAS enclosures that hold up to eight bays and run continuously. The 6 TB capacity suits users who need bulk storage for backups, media libraries or archives in a RAID array.

NASware 3.0 Firmware and 180 TB Annual Workload

NASware 3.0 firmware optimises compatibility, integration and reliability inside supported NAS appliances. The drive is rated for up to 180 TB per year workload rate, reflecting its design for 24x7 operation. Standard 3.5 inch dimensions allow direct mounting in typical NAS drive trays without adapters.

Replaces Desktop Drives in Multi-Bay NAS

Desktop-class drives lack the firmware tuning and workload rating required for always-on RAID environments. This model upgrades reliability for arrays up to 112 TB total raw capacity across eight bays. The jump is worth it when moving from consumer drives that are not validated for continuous multi-drive operation.

How it compares

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

Price $96.99
Typical for this category: the median of 4,938 items is $107.99.
Total capacity 6 TB
Higher than about 75% of the 2,372 comparable items (median 2 TB).
Price per TB $16.17 per TB
Cheaper than about 94% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameWD
Product lineRed
Model nameWD60EFAX
Total capacity6 TB
Recommended useFor NAS systems
Performance
Rotational speed5,400 RPM
Storage
Recording methodSMR
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 weight0.70 kg
Package size236 × 152 × 76 mm

Questions about this item

What does the SATA 6.0Gb/s interface cap in practice?

The SATA 6.0Gb/s interface caps the theoretical maximum throughput at 6.0Gb/s; real-world sequential speeds are limited by the 5400 RPM platters and SMR recording technology.

What are the physical dimensions required to fit this 3.5" drive?

The drive measures 147.00mm long, 101.60mm wide and 26.10mm high, so the bay or tray must accommodate those maximum dimensions.

How is the drive installed in a NAS, and what step is often missed?

Mount the 3.5" drive in a bay, connect the SATA data and power cables, then ensure the NAS firmware recognises the drive and initialises the RAID volume before storing data.

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