Description

**Unlock the Value of Your Data**

Tailor your enterprise storage strategy with a diverse range of WD Gold™ HDDs, offering capacities from 1TB to a robust 22TB, and featuring OptiNAND™ technology in the 20TB and 22TB versions. These enterprise-class hard drives are engineered for high-demand storage environments, providing an impressive 2.5 million hours of MTBF, advanced vibration protection, and reduced power consumption due to HelioSeal® technology (available in models of 12TB and above). Specifically designed for enterprise-grade data centers and storage infrastructures, WD Gold SATA HDDs ensure top-tier performance associated with Western Digital® solutions.

**Greater Flexibility and Control**

With WD Gold™, craft your unique storage solutions through a comprehensive lineup of SATA HDDs ranging from 1TB to 22TB, optimized for heavy-duty application workloads and capable of handling usage up to 550TB annually.

**Superior Reliability**

Achieving up to 2.5 million hours MTBF, WD Gold™ hard drives deliver unmatched reliability and durability critical for enterprise environments.

**Advanced Vibration Protection**

Outfitted with sophisticated monitoring electronics, WD Gold™ drives address linear and rotational vibrations in real-time, leveraging enhanced vibration protection technology for consistent performance in vibration-intensive settings.

**Broad Compatibility**

WD Gold™ HDDs, tailored for enterprise storage systems and data centers, provide wide compatibility across major enterprise operating systems.

**Scale for Growth**

Embrace seamless business scalability with industry-leading WD Gold™ drives offering up to 22TB of CMR capacity via OptiNAND™ technology’s capacity-enabling breakthroughs.

**Data Protection Innovations**

The ArmorCache™ feature (exclusive to 22TB models) enhances data security by offering enterprise-level power loss protection in write-cache enabled mode while boosting performance in write-cache disabled mode.

Drive Performance
Buffer512 MB
Spindle Speed (rpm)7200
 
General Information
Brand NameWestern Digital
ManufacturerWestern Digital Corporation
Manufacturer Part NumberWD221KRYZ
Product LineGold
Product ModelWD221KRYZ
Product NameGold Enterprise Class SATA HDD
Product TypeHard Drive
 
Interfaces/Ports
Drive InterfaceSATA
Drive Interface StandardSATA/600
 
Miscellaneous
Environmentally FriendlyYes
 
Physical Characteristics
DurabilityVibrationproof
Form Factor3.5"
Height1"
Weight (Approximate)1.47 lb
Width4"
 
Product Information
Drive TypeInternal
Length5.8"
 
Technical Information
Device SupportedStorage System
Disk Format512e
Recording TechnologyConventional Magnetic Recording (CMR)
Storage Capacity22TB
Wireless LANNo
 
Warranty
Limited Warranty5 Year

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