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WD 2TB WD20PURX-78

WD Surveillance Purple (3.5"), 2TB, Interface: SATA 6Gb/s, Buffer Size: 64 MB, IntelliPower, 5400 RPM, SATA3

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    Western Digital

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    Capacity

    2TB

    Form Factor

    3.5 “

    Performance Class

    5400 RPM class

    Interface

    SATA 6 Gb/s

    Performance

    Interface transfer rate (max)

         Buffer to host

          Host to/from  drive (sustained)

     

    6 Gb/s

    145 MB/s

    Cache  (MB)

    64

    Performance Class

    5400 RPM Class

    Reliability/Data Integrity

    Load/unload cycles

    300,000

    Non-recoverable read errors per bits  read

    <1 in 1014

    Power Management

    Average power requirements (W)

        Read/Write

        Idle

        Standby and Sleep

     

    4.4

    4.1

    0.4

    Environmental Specifications

    Temperature (°C, on the base casting)

        Operating

        Non-operating

     

    0 to 65

    -40 to 70

    Shock (Gs)

         Operating (2 ms, read/write)

         Operating (2 ms, read)

         Non-operating (2 ms)

     

    30

    65

    250

    Acoustics (dBA)

         Idle

         Seek (average)

     

    23

    24

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