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  • Description
  • Specifications
  • Western Digital DC HA340 4TB, 3.5" Internal Sata Hard Drive | 0B47076

    Economical Capacities and Fast Data Access for the Data Center

    The Ultrastar DC HA340 HDD in 4TB, 6TB, and 8TB delivers efficiency and performance for traditional and legacy systems based on proven CMR technology. Designed for a variety of applications including traditional storage arrays, rack-mounted storage enclosures and server-based storage systems, these drives are offered at 7,200 RPM with 6Gb/s SATA and Advanced Format 512e format.

    Technology innovation delivers efficiency and performance for legacy systems
    Address data center requirements by providing legacy capacities from 4TB to 8TB while implementing the latest in HDD storage technologies.

    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.  

    Performance and protection 
    These 4TB, 6TB, and 8TB HDD’s leverage a dual-stage microactuator to enhance head positioning accuracy for better drive performance.  

    Designed for data center workloads
    The Ultrastar DC HA340 is performance-optimized to handle heavy application workloads of up to 550TB2 per year.

    Built with reliability in mind 
    This robust drive delivers dependability in intense data center environments with up to 2M hours MTBF3 (projected). 

    Quality and security
    Provides additional peace of mind with a 5-year limited warranty. 

  • Category Specification
    Features
    Ultrastar DC HA340 drives extend Western Digital's long-standing tradition of reliability leadership with a 2.0M-hour MTBF failure rating (projected) and a 5-year limited warranty.
    Capacity points support both OEM and cloud deployments as well as traditional IT systems.
    Performance-optimized to handle heavy application workloads up to 550TB per year
    Capacity 4TB
    Form Factor 3.5-Inch
    Compatibility Windows®, Windows Server®, Linux®
    Interface SATA
    Cache Size 256MB
    In The Box Ultrastar DC HA340 Data Center Drive
    Warranty 5-Year Limited Warranty
    Dimensions (L x W x H) 146.99mm x 101.6mm x 26.11mm
    Weight 0.72kgs
    Model Number WUS721204BLE6L4
    Operating Temperature 5°C to 60°C
    Non-Operating Temperature -40°C to 70°C
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    February 26, 2026

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    Sector
    Hospitality, QSR
    Installation Date
    February 2025
    Solution
    Digital Menu Boards + CMS
    Products
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    Digital Signage & Freestanding Display for Naan Staap, Leicester

    HOSPITALITY • DIGITAL MENU BOARDS
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    Sector
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