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WD 12TB Gold 256MB 3.5in SATA 6Gb/s 7200 RPM Enterprise Hard Drive


 WD121KRYZ, WD 12TB Gold 256MB 3.5in SATA 6Gb/s 7200 RPM Enterprise Hard Drive

Key Features

  • Capacity: 12TB
  • Spindle Speed: 7200 RPM
  • Interface: SATA 6Gb/s
  • Cache: 256MB
  • Sector Size: 512e
  • Form Factor: 3.5"
  • 5 Year Warranty
  • WD121KRYZ

Part No: WD121KRYZ

Stock Code: 2565184


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WD 12TB Gold 256MB 3.5" SATA 6Gb/s 7200 RPM Enterprise Hard Drive


Go for Gold.

Conquer tough workloads with enterprise-class WD Gold™ HDDs. Available in 1TB to 14TB capacities, this highly reliable solution for demanding storage environments provides up to 2.5M hours MTBF, vibration protection technology and a low power draw thanks to HelioSeal™ technology [for 12TB and above]. Specifically designed for use in enterprise-class data centers and storage systems, the WD Gold SATA HDD delivers the world-class performance you expect from Western Digital® hard drives.

  • Conquer tough workloads with enterprise-grade WD Gold™ HDDs. Available in 1TB to 14TB capacities.
  • Enhanced reliability with up to 2.5M hours MTBF
  • Specifically designed for use in enterprise-grade data centers and storage systems
  • Improve performance with our vibration protection technology
  • HelioSeal™ technology delivers high capacities with a low power draw [12TB and above]
  • Get peace of mind with a 5-year limited warranty


Beyond Expectations

WD Gold™ hard drives are performance-optimised for heavy application workloads, whether you need 1TB or 14TB. The WD Gold™ HDD's wide capacity range solves for the most demanding storage environments.

Enhanced Reliability

With up to 2.5M hours MTBF, WD Gold™ hard drives deliver enhanced levels of dependability and durability.

A World-Class Performer

Delivering excellent service to any storage environment, WD Gold™ hard drives are designed to handle workloads up to 550TB per year - among the highest of any 3.5-inch hard drive.


Vibration Protection

WD Gold™ has sophisticated monitoring electronics that help correct linear and rotational vibrations in real time using enhanced vibration protection technology for improved performance in high-vibration environments.

Play Well with Others

Broadly compatible with most PC and major enterprise operating systems. Specifically designed for use in enterprise-grade data centers and storage systems.

5-Year Limited Warranty

Every WD Gold™ HDD comes with a 5-year limited warranty, so you can be confident in your storage.

Ideal For

  • Cloud applications and distributed file systems like Apache Hadoop to support Big Data analytics
  • Bulk storage using object storage solutions like CEPH and OpenStack Swift
  • Direct & Network Attached Storage (DAS & NAS), RAID storage
  • Industrial or Surveillance applications
  • Entry server storage


From the Manufacturer



Drive Type Internal
Application Enterprise
Capacity 2TB
Technology Type HDD
Drive Connection SATA
Drive Size 3.5"
Cache 256 MB
Speed 7200 rpm
Colour Silver
Warranty 5 Year Manufacturer Warranty (View More Information)

Drive Performance
Spindle Speed (rpm)7200
Buffer256 MB
General Information
ManufacturerWestern Digital Corporation
Manufacturer Part NumberWD121KRYZ
Manufacturer Website Addresshttp://www.wdc.com
Brand NameWD
Product LineGold
Product ModelWD121KRYZ
Product Name12TB WD Gold Enterprise-class Hard Drive
Marketing InformationWD Gold(tm) hard drives feature up to ten times the workload rating of desktop drives and employ advanced technologies for enterprise-class reliability, power efficiency and performance. Designed from the ground up to be an ultra-robust storage device, WD Gold(tm) drives are the perfect solution for your business. High workload ratingDelivering dependable performance to any storage environment, WD Gold(tm) hard drives are designed with a workload rating up to 550TB per year*, among the highest of any 3.5-inch hard drive. Enterprise-class storage to rely onWith up to 2.5 million hours MTBF, WD Gold(tm) hard drives deliver reliability and durability, are built for yearly operation (24x7x365) within the most demanding storage environments, and are backed with a 5 year limited warranty. HelioSeal(tm) TechnologyFeatured in over 15 million Western Digital(tm) hard drives shipped?, HelioSeal(tm) technology allows for higher capacities and less turbulence on large storage arrays. And now on its 4th generation design, HelioSeal(tm) technology is field-tested and proven to deliver high capacity, reliability, and power efficiency you can trust. Vibration ProtectionEnhanced RAFF(tm) technology uses sophisticated electronics to monitor the drive and correct linear and rotational vibrations in real time for improved performance versus WD's desktop drives in high-vibration environments. RAID-specific, time-limited error recovery (TLER) - Reduces drive fallout caused by the extended hard drive error-recovery processes common to desktop drives. Dynamic fly height technologyEach read-write head's fly height is adjusted in real time to ensure consistent performance for reduced errors and optimized reliability. Dual-stage actuator technologyWD Gold(tm) drives feature a dual-stage actuator head positioning system for a high degree of accuracy. The primary stage provides course displacement while the secondary stage uses piezoelectric motion to fine tune the head positioning to a higher degree of precision. Compatibility testingAll WD Gold(tm) hard drives are extensively tested across a variety of popular OEM storage systems, SATA controllers, and host bus adapters, to ensure ease of integration for a plug and play solution. 7200RPM-ClassThis 7200RPM-class hard drive delivers the fastest performance with the highest workload rating of any HDD in WD's lineup. Ensure you have the most capable hard drive regardless of the application with WD Gold(tm).
Product TypeHard Drive
Drive InterfaceSATA
Drive Interface StandardSATA/600
Network & Communication
Wireless LANNo
Physical Characteristics
Drive TypeInternal
Drive Width3.5"
Height26.1 mm
Width101.6 mm
Depth147 mm
Weight (Approximate)662.2 g
Technical Information
Storage Capacity12 TB

Please note: Pictures are for illustration only. Please contact us if you wish to confirm the specification before ordering.


Product Reviews

WD 12TB Gold 256MB 3.5in SATA 6Gb/s 7200 RPM Enterprise Hard Drive


£376.99 Inc VAT

WAS £445.34 SAVE £69.00

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