WD Ultrastar 20TB DC HC555 | Enterprise Hard Drive | SATA 6Gb/s, 512MB Cache, RPM@7200, Up to 285MB/s Transfer Speed | MODEL NO-0B48724/WUH722020CLE6L4

WD Ultrastar 20TB DC HC555, 7200 RPM, 512MB cache. Built for 24×7 data centers with ePMR, TSA, and HelioSeal® for high capacity, low power, and reliable performance.

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    Description

    WD Ultrastar 20TB DC HC555 is engineered for today’s most demanding data center environments, offering a powerful combination of high capacity, energy efficiency, and proven reliability. Designed to handle 24×7 multi-user workloads, this drive is ideal for cloud storage, hyperscale deployments, and enterprise data centers requiring maximum density and uptime.

    Built on a trusted platform and leveraging energy-assisted perpendicular magnetic recording (ePMR), the HC555 enables data centers to scale capacity while reducing total cost of ownership (TCO). It features Triple-Stage Actuator (TSA) technology to increase track density and improve performance, along with HelioSeal® technology, which reduces turbulence and power consumption by operating in a helium-sealed environment.

    Reliability is paramount, with rotation vibration (RV) sensors, multi-axis shock sensors, and dynamic fly height technology working together to protect data from mechanical disturbances. With seamless integration and rapid qualification supported by its familiar architecture, the HC555 is a drop-in solution for existing infrastructure.

    Whether expanding capacity or optimizing operational costs, the WD Ultrastar 20TB DC HC555 20TB delivers unmatched efficiency, performance, and dependability for mission-critical storage applications.

    Product Details

    CategorySpecification
    Capacity20TB
    Form Factor3.5-Inch
    InterfaceSATA
    Transfer RateUp to 269MB/s
    Disk Speed (RPM)7200 RPM
    Recording TechnologyEAMR (Perpendicular Magnetic Recording)
    Cache Size512MB
    SecuritySE (Self-Encrypting)
    MTBFProjected 2.5 million hours
    Power EfficiencyOutstanding (Watts/TB)
    Warranty5-Year Limited Warranty
    Dimensions (L x W x H)147mm x 101.6mm x 26.1mm
    Weight0.69 kg(+-)
    Operating Temp5°C to 60°C
    Non-Operating Temp-40°C to 70°C
    CertificationsBSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL
    Product Features- PMR supports all enterprise applications and environments - Outstanding power efficiency - Projected 2.5M hours MTBF

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