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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

  • InterfaceSATA 6.0Gb/s
  • Capacity26TB
  • RPM7200 RPM
  • Cache512MB
  • FeaturesBuilt For Demanding Use Cases Customize your business’s stor
  • UsageFor Enterprise Storage

Options 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.

Highlights

  • 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

Specifications

BrandWD
SeriesGold
ModelWD261KRYZ
InterfaceSATA 6.0Gb/s
Capacity26TB
RPM7200 RPM
Cache512MB
FeaturesBuilt For Demanding Use Cases
Customize your business’s storage mix to fit your specific needs with hard drives in capacities of up to 26TB1, engineered for demanding applications with a read-write workload rating of up to 550TB2 per year.
Enhanced Reliability
With a five-year limited warranty3 supporting up to 2.5M hours MTBF4, WD Gold hard drives deliver enhanced levels of dependability and durability.
Protection and Performance Boost
ArmorCache™ technology (available in 22TB and above) is a Western Digital-only feature that provides enterprise power loss protection of your data in
UsageFor Enterprise Storage
Form Factor3.5"
Height (maximum)26.10mm
Width (maximum)147.00mm
Length (maximum)101.60mm
Shipping weight0.75 kg
Package size191 × 127 × 64 mm

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

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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