Western Digital

Western Digital WD261KRYZ | 26TB | SATA 6Gb/s | 7200RPM | 3.5" | Enterprise HDD

$1,319.95 Sold out
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Brand New, Factory Sealed | Backorder | Bulk Orders — Request a Quote

Bulk order minimum: 20 units. Request a quote below — volume pricing on larger quantities.

The WD261KRYZ is a 26TB WD Gold enterprise-class hard drive featuring a SATA 6Gb/s interface, 7200RPM spindle speed, and a 512MB cache in a 3.5-inch form factor. Built for modern data center and deskside AI workloads, it is ideal for high-capacity RAID and JBOD arrays, hybrid cloud storage, and 24/7 nearline deployments. Compatible with Dell PowerEdge, HP ProLiant, and Supermicro servers, enterprise HBAs, and RAID controllers running Windows Server, Linux, and macOS. The 10th-generation HelioSeal platform with OptiNAND and ArmorCache delivers up to 285MB/s sustained transfer, a 550TB/year workload rating, and up to 2.5 million hours MTBF for continuous enterprise operation.

This is a backorder, quote-request listing with a lead time of approximately 5 business days from order confirmation; it cannot be checked out instantly. Volume pricing is available by quantity, so please submit a bulk quote request. Items ship brand new in OEM or retail packaging with full manufacturer warranty.

All products are sold as new in original retail or OEM packaging unless otherwise specified. Backorder items ship in approximately 5 business days from order confirmation, with same-business-day shipping on orders placed before 2 PM PT once stock is on hand. Bulk inquiries welcome.

Request a quote

This item is supplied to order and typically ships in about 5 business days. Tell us how many you need and we'll confirm price and lead time, same business day.

Part numberWD261KRYZ

Prefer to reach us directly? Call 310-541-9569 or email andy@anandintlinc.com.

Specifications
  • Manufacturer: Western Digital
  • Model: WD Gold WD261KRYZ
  • Capacity: 26TB
  • Interface: SATA 6Gb/s
  • RPM: 7200
  • Cache: 512MB
  • Form Factor: 3.5-inch
  • Recording: CMR (512e)
  • Sustained Transfer: Up to 285MB/s
  • Workload Rating: 550TB/year
  • MTBF: 2.5 million hours
  • Annualized Failure Rate: 0.35%
  • Power: 6.7W active / 5.6W idle
  • Warranty: 5-Year Limited (Full Manufacturer Warranty)
Product Features
  • 10th-generation HelioSeal 11-disk platform
  • OptiNAND capacity-enabling technology
  • ArmorCache enterprise power-loss protection
  • Dual Rotational Vibration Safeguard sensors
  • CMR recording for consistent RAID performance
  • 550TB/year workload rating for heavy duty cycles
Compatibility
  • Dell PowerEdge servers
  • HP ProLiant servers
  • Supermicro platforms
  • SATA 6Gb/s RAID and HBA controllers
  • Windows Server, Linux, and macOS environments
Shipping & Returns
  • Free Shipping: We currently offer free Economy Shipping within the continental U.S. with no minimum order required. Expedited shipping is available at standard carrier rates.
  • Same-Day Shipping: Order placed before 2PM PST will ship the same day. Orders received after this time will ship the following business day.
  • Hassle-Free Returns: If you're not completely satisfied with your purchase, simply return it within 10 days for a hassle-free refund or exchange.

26TB SATA 6Gb/s 7200RPM 512MB Cache CMR Full Manufacturer Warranty

Why choose the WD261KRYZ 26TB WD Gold?

The WD261KRYZ is Western Digital's flagship 26TB WD Gold enterprise drive, built on a 10th-generation HelioSeal 11-disk platform with OptiNAND and ArmorCache. Rated for a 550TB/year workload and up to 2.5 million hours MTBF, it is engineered for around-the-clock data center, RAID, and deskside AI storage.

26TB Enterprise Capacity

Twenty-six terabytes per bay on a HelioSeal 11-disk platform maximizes array density and lowers per-TB cost.

550TB/yr Workload

A 550TB/year workload rating with up to 285MB/s sustained transfer handles heavy nearline and AI data pipelines.

2.5M Hour MTBF

Rated up to 2.5 million hours MTBF with a 0.35% AFR and ArmorCache power-loss protection for dependable 24/7 duty.

Vibration Safeguard

Dual Rotational Vibration Safeguard sensors anticipate and counteract disturbances in dense multi-drive enclosures.

Full Factory Warranty

Brand new in OEM or retail packaging with full manufacturer 5-year limited warranty; backorder item ships in approximately 5 business days.

Frequently Asked Questions

Frequently asked questions about Enterprise Hard Drives (HDD) and Solid-State Drives (SSD), including what they are, how they are used, performance consideration and tips for choosing the right solution.

1. What are enterprise hard drives and SSDs?

Enterprise hard drives and SSDs are high-performance, high-reliability storage solutions designed for use in data centers and business-critical applications.

2. Are enterprise hard drives reliable?

Yes, enterprise hard drives are designed to be highly reliable and durable, suitable for data centers and enterprise environments. They typically feature enhanced error correction, vibration resistance, and longer lifespans compared to consumer drives. Enterprise drives are built to handle continuous 24×7 operation, making them a smart choice for critical data storage needs.

3. What is the difference between NAS and enterprise hard drives?

Network-attached storage (NAS) and enterprise hard drives differ primarily in their intended use and design features. NAS drives are optimized for lower power consumption, quieter operation, and ideal for small-to-medium business or home environments. Enterprise drives, which are built for higher performance, reliability, and endurance—are designed to handle 24×7 operation in demanding data center and enterprise settings.

4. What factors should be considered when selecting an enterprise hard drive for a specific application or workload?

To choose an enterprise hard drive for a specific application or workload, keep the following factors in mind:

  • Performance requirements, such as read/write speeds and IOPS are crucial, especially for data-intensive applications.
  • Capacity needs must align with the storage demands of your workload. 
  • Reliability and durability are essential, as enterprise drives should withstand continuous 24×7 operation.
  • Compatibility with your existing hardware and RAID configurations is also important.
  • Power consumption and cooling requirements should be considered to guarantee efficient operation within your data center environment.
  • Cost and warranty terms should align with your budget and long-term maintenance plans.
5. How does an enterprise hard drive improve data reliability and integrity?

Enterprise hard drives improve data reliability and integrity through several advanced features. They incorporate enhanced error correction codes (ECC) that detect and correct data errors, ensuring data remains accurate and intact. These drives are also designed with improved mechanical structures to minimize vibrations, which can cause read/write errors. Optimized for RAID configurations, they prevent data loss and promote redundancy, further safeguarding data. Additionally, enterprise drives benefit from advanced firmware that includes regular updates and sophisticated algorithms to manage data more effectively.

6. What are the key differences between enterprise hard drives and consumer-grade hard drives?

Enterprise hard drives differ from consumer-grade hard drives in several key areas:

  1. Reliability: Enterprise drives are designed for continuous 24×7 operation with a higher mean time between failures (MTBF).
  2. Performance: The enterprise hard drives offer faster data transfer rates and lower latency.
  3. Durability: They offer enhanced error correction, vibration resistance, and robust construction.
  4. Features: They include advanced features like RAID optimization and better firmware.
  5. Warranty: Enterprise hard drives come with longer warranties compared to consumer drives.
7. How does an enterprise hard drive improve data reliability and integrity?

Enterprise hard drives improve data reliability and integrity through several advanced features. They incorporate enhanced error correction codes (ECC) that detect and correct data errors, ensuring data remains accurate and intact. These drives are also designed with improved mechanical structures to minimize vibrations, which can cause read/write errors. Optimized for RAID configurations, they prevent data loss and promote redundancy, further safeguarding data. Additionally, enterprise drives benefit from advanced firmware that includes regular updates and sophisticated algorithms to manage data more effectively.

8. How do enterprise hard drives handle power loss or failures?

Power loss or failures are handled through several robust mechanisms. They often include features like power loss protection (PLP) that use capacitors to provide enough power to complete pending write operations and safely store data in non-volatile memory. Advanced error correction and recovery algorithms also help maintain data integrity. Additionally, enterprise hard drives are designed to restart after power failures quickly and safely, minimizing downtime and data corruption risks. Seagate enterprise drives incorporate such technologies to ensure data reliability and system resilience in power-loss scenarios.

Quick specifications

Part number WD261KRYZ
Brand Western Digital
Spec 26TB
Spec 3.5 inch
Spec 512MB Cache
Spec 7200 RPM
Spec ArmorCache
Spec CMR
Spec condition:New
Spec data center storage
Spec Enterprise
Spec Enterprise Capacity
Spec enterprise hardware
Spec enterprise storage
Spec Hard Drive
Spec HDD
Spec HelioSeal
Spec Nearline
Spec OptiNAND
Spec SATA 6Gb/s
Spec WD
Spec WD Gold
Spec WD261KRYZ
Spec WDC
Spec Western Digital