1TB HITACHI Ultrastar™ A7K2000
1TB HITACHI Ultrastar™ A7K2000

Твърд диск 1TB HITACHI Ultrastar™ A7K2000, SATA2, 7200rpm, 32MB, 3.5"(8.89 cm)

id 22916 Код: HDD1THITUSTRA7K2000
  • Модел: A7K2000, SAТА2, 32MB
  • Марка: Hitachi
  • Гаранция: 24 месеца
  • Код на продукта: HUA722010CLA330
  • Размер: 3.5" (8.89cm)
  • Капацитет: 1000 GB
  • Интерфейс: SATA2
  • Обороти: 7200 rpm
  • Наличност: Стар продукт
    ОписаниеХарактеристикиРевюта / Въпроси
    Ultrastar™ A7K2000
    3.5-Inch Enterprise 7200 RPM
    Hard Disk Drives

    The Ultrastar A7K2000 delivers up to 1TB of storage capacity in a standard 3.5 form factor, filling a vital need for high-density storage in the enterprise. With a unique 5-platter design, Hitachi has relaxed the bit densities to achieve higher reliability. The Ultrastar A7K2000 is built using the industry s most reliable perpendicular magnetic recording recording heads and media. The Ultrastar A7K2000 features a 3 Gb/s SATA interface supporting key features in the Serial-ATA specification including Native Command Queuing , staggered spin-up and hot-swap capability

    Configuration

    Interface SATA 3Gb/s
    Capacity (GB) at 512 bytes/sector 1TB
    Sector size (bytes) 512
    Max. areal density (Gbits/sq. in) 2TB 285

    Performance

    Data buffer (MB) 32
    Rotational speed (RPM) 7200
    Interface transfer rate (MB/s, max) 300
    Sustained transfer rate (MB/s, typical) 134
    Seek time (read, ms, typical) 2TB 8.2

    Reliability

    Error rate (non-recoverable, bits read) 1 in 10
    Load/unload cycles (at 40° C) 300,000
    Availability2 (hrs/day x days/wk) 24x7
    MTBF2 (M hours) 1,200,000

    Acoustics

    Idle (Bels, typical) 2TB 2.9

    Power

    Requirement +5 VDC (+/-5%), +12 VDC (+10%/-8%)
    Startup current (A, max.) 2.0 (+12V), 1.2 (+5V)
    Read/write (W) 2TB 11.1
    Unload idle (W) 2TB 5.6
    Power consump. efficiency index (W/GB) 0.0039

    Physical size

    z-height (mm) 26.1
    Dimensions (width x depth, mm) 101.6 (+/-0.25) x 147
    Weight (g, max) 2TB 740

    Environmental (operating)

    Ambient temperature 5o to 60o C
    Shock (half-sine wave, G) 70
    Vibration (G RMS, 5 to 500 Hz) 0.67 (XYZ)

    Environmental (non-operating)

    Ambient temperature -40o to 70o C
    Shock (half-sine wave, 1ms, G) 2TB 300

    http://www.hgst.com/tech/techlib.nsf/techdocs/5EDA5472B7792D9D8625760A0003E88B/$file/UltraStarA7K2000_datasheet.pdf


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    Технически характеристики

    Размер:  3.5" (8.89cm)
    Капацитет:  1000 GB
    Интерфейс:  SATA2
    Обороти:  7200 rpm

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    1TB HITACHI Ultrastar™ A7K2000
    • 1TB HITACHI Ultrastar™ A7K2000