WESTERN DIGITAL 

WESTERN DIGITAL 0B47063 Ultrastar DC HA340 12TB SATA

Mfg Part Number:  0B47063  
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Price: $410.78
Quantity:
In Stock: 7
Last Updated: Apr 09, 2026
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Economical Capacities and Fast Data Access for the Data Center

Ultrastar® Data Center HA340 hard drives are medium capacity air-filled HDDs that deliver high IOPS to support data intensive applications with proven durability and reliability.

Delivers High IOPS with Proven Technology

A unique combination of field-proven hardware with the latest innovative technologies enables these air-filled drives to deliver high IOPS to data intensive applications.

Proven and cost-efficient design

Ultrastar DC HA340 drives are based on an air-based HDD platform with Conventional Magnetic Recording (CMR) technology in a 3.5-inch form factor. 

Reliability You Can Trust

Built off the same platform that is deployed in thousands of data centers around the world, these drives deliver superior dependability and field-proven reliability for hassle free data storage.

Optimized Performance and Durability

Performance-optimized to deliver higher access densities (IOPS/TB) to data intensive applications with proven durability.

Rapid Qualification and Integration

Leveraging hardware designs from generations of highly successful products ensures easy qualification, seamless integration and rapid adoption by existing customers.

Reliability You Can Trust

Built off the same platform that is deployed in thousands of data centers around the world, these drives deliver superior dependability and field-proven reliability for hassle free data storage.

Protected Against Vibration & Shock

Disturbances caused by increased vibration are anticipated and proactively counteracted by Rotation Vibration (RV) sensors and subtle shock events are automatically detected by multi-axis shock sensors and compensated for with dynamic fly height technology to maintain performance and protect data.

Main Specification
General Information
Manufacturer Western Digital Corporation
Manufacturer Part Number 0B47063
Manufacturer Website Address http://www.wdc.com
Brand Name Western Digital
Product Line Ultrastar
Product Series DC HA340
Product Model WUS721212BLE6L4
Product Name Ultrastar DC HA340 Data Center 3.5" SATA HDD
Product Type Hard Drive
Technical Information
Storage Capacity 12 TB
Recording Technology Conventional Magnetic Recording (CMR)
Platform Supported Linux
Platform Supported PC
Disk Format 512e
Drive Performance
Random 4KB Read 150000IOPS
Random 4KB Write 465000IOPS
Spindle Speed (rpm) 7200
Buffer 512 MB
Mean Time Between Failures (MTBF) 228.2 Year
Interfaces/Ports
Drive Interface SATA
Drive Interface Standard SATA/600
Power Description
Standby Power Consumption 700 mW
Physical Characteristics
Drive Type Internal
Form Factor 3.5"
Durability Vibration Proof
Durability Shock Proof
Height 1"
Width 4"
Length 5.8"
Weight (Approximate) 1.65 lb
Miscellaneous
Operating System Compatibility Linux
Operating System Compatibility Windows
Operating System Compatibility Windows Server
Device Supported Server
Device Supported Storage System
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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