Model WD204BA

    WD Expert WD204BA - hard drive - 20.4 GB - ATA-66

    Specs

    General

    • Capacity
      20.4 GB
    • Bytes per Sector
      512
    • Interface
      ATA-66
    • Buffer Size
      2 MB
    • Weight
      1.32 lbs
    • Manufacturer
      Western Digital Corp.

    Power Device

    • Type
      none

    Miscellaneous

    • MTBF
      750000 hour(s)

    Hard Drive

    • Form Factor
      3.5" x 1/3H
    • Interface Type
      ATA-66
    • Spindle Speed
      7200 rpm
    • Hard Drive Type
      internal hard drive
    • Form Factor (Short)
      3.5"
    • Form Factor (metric)
      8.9 cm x 1/3H
    • Form Factor (Short) (metric)
      8.9 cm
    • Storage Interface
      ATA-66
    • Interface
      ATA-66
    • Average Seek Time
      9 ms
    • Max Seek Time
      15.5 ms
    • Track-to-Track Seek Time
      2.2 ms
    • Average Latency
      4.2 ms
    • Data Transfer Rate
      66.6 MBps
    • Internal Data Rate
      35.5 MBps
    • Buffer Size
      2 MB
    • Bytes per Sector
      512 Hz
    • Non-Recoverable Errors
      1 per 10^13
    • Start / Stop Cycles
      40000

    Expansion & Connectivity

    • Connections
      1 x storage - ATA-66 - 40 pin IDC

    Performance

    • Internal Data Rate
      35.5 MBps
    • Seek Time
      9 ms (average) / 15.5 ms (max)
    • Drive Transfer Rate
      66.6 MBps (external)
    • Average Latency
      4.2 ms
    • Spindle Speed
      7200 rpm
    • Track-to-Track Seek Time
      2.2 ms

    Storage Controller (2nd)

    • Type
      none

    Environmental Parameters

    • Shock Tolerance
      65 g @ 2ms half-sine pulse (operating) / 175 g @ 2ms half-sine pulse (non-operating)
    • Max Altitude Operating
      9840 ft
    • Min Operating Temperature
      41 °F
    • Max Operating Temperature
      131 °F
    • Humidity Range Operating
      8 - 90%
    • Sound Emission
      38 dBA
    • Vibration Tolerance
      0.5 g @ 5-300 Hz (operating) / 2 g @ 5-500 Hz (non-operating)

    Storage Hard Drive

    • Compliant Standards
      S.M.A.R.T.

    Header

    • Brand
      WD
    • Product Line
      WD Expert
    • Model
      WD204BA
    • Packaged Quantity
      1
    • Compatibility
      PC

    Interface Required

    • Connector Type
      40 pin IDC
    • Gender
      female
    • Connector Qty
      1
    • Total Qty
      1

    Dimensions & Weight

    • Width
      4 in
    • Depth
      5.7 in
    • Height
      1 in
    • Weight
      1.32 lbs

    Bay Required

    • Type
      internal
    • Form Factor
      3.5" x 1/3H
    • Form Factor (metric)
      8.9 cm x 1/3H
    • Total Qty
      1

    Slot Required

    • Type
      none

    Service & Support

    • Type
      1 year warranty

    Service & Support Details

    • Type
      limited warranty
    • Service Included
      replacement
    • Location
      carry-in
    • Full Contract Period
      1 year

    Reliability

    • Start / Stop Cycles
      40,000
    • Non-Recoverable Errors
      1 per 10^13
    • MTBF
      750,000 hours

    General

    • Manufacturer
      Western Digital Corp.