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Silver 3.5-inch internal hard drive with SATA connectors and label showing 26TB capacity

Western Digital

Western Digital WD261KRYZ 26TB 7200 RPM 512MB Cache SATA 3.5" internal hard drive

SKU CH-4NF5-89677 MPN WD261KRYZ

A 26TB enterprise hard drive with 7200 RPM speed and 512MB cache for heavy workloads

  • Total capacity26 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed7,200 RPM
  • Cache memory512 MB
  • Max height26.1 mm

Capacity 26TB

  • 26TB capacity stores massive datasets
  • 7200 RPM with 512MB cache speeds data access
  • SATA 6.0Gb/s interface integrates with enterprise systems
  • 5M hours MTBF rating supports continuous operation
  • 5-inch form factor fits standard drive bays

WD Gold 26TB Enterprise Hard Drive

The Western Digital WD261KRYZ is a 3.5 inch internal hard drive built for enterprise storage systems and data centres. It delivers 26TB of capacity over a SATA 6.0Gb/s interface, spins at 7200 RPM and includes a 512MB cache to handle demanding read-write workloads.

Suits Enterprise Workloads Not Laptop Builds

This drive is designed for businesses and design professionals running mission-critical applications that require high capacity and sustained reliability. It is not for builders who need a 2.5 inch form factor or a lower power profile for mobile or compact systems.

26TB Capacity Decides Fit

The single specification that determines suitability is the 26TB capacity, which targets large-scale storage arrays and heavy workload environments. Buyers needing less raw space or a different physical size should evaluate other models in the series.

How it compares

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

Price $969.99
Pricier than about 90% of the 4,938 comparable items (median $107.99).
Total capacity 26 TB
Higher than about 97% of the 2,372 comparable items (median 2 TB).
Price per TB $37.31 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 lineGold
Model nameWD261KRYZ
Total capacity26 TB
Recommended useFor Enterprise Storage
Performance
Rotational speed7,200 RPM
Storage
Cache memory512 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Max height26.1 mm
Maximum width147 mm
Maximum length101.6 mm
Shipping weight0.75 kg
Package size191 × 127 × 64 mm

Other versions of this model

5 more in the same range

Questions about this item

Does this WD Gold 26TB drive need a SATA 6.0Gb/s port on the motherboard or controller?

It uses the SATA 6.0Gb/s interface and will operate on any SATA host port; the link speed negotiates automatically with the controller.

Can the 3.5-inch 26.10mm height drive fit in the same bay as my older 3.5-inch drives?

Yes, the 3.5-inch form factor with 26.10mm height matches the standard desktop drive bay dimensions used by earlier 3.5-inch models.

How can I confirm the 512MB cache and 7200 RPM are active after installation?

Check the drive identification in BIOS or with a tool such as hdparm; it will report 512MB cache, 7200 RPM and the SATA 6.0Gb/s link speed.

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