Model Ultra
  • Western Digital Caviar 40 GB DMA/ATA-100 (Ultra)
    Western Digital Caviar 40 GB DMA/ATA-100 (Ultra) WD400BB $25.00

Western Digital Caviar 40 GB DMA/ATA-100 (Ultra)

Prices

* Product and pricing data are sourced from third parties for informational purposes only. We strive to provide correct information, but are not responsible for inaccuracies. Should you find any errors, please help us by reporting it here.

specs

General

  • Capacity
    40 GB
  • Device Type
    Hard drive - internal
  • Interface
    ATA-100
  • Buffer Size
    2 MB
  • Weight
    1.32 lbs
  • Manufacturer
    Western Digital Corp.

Interface Provided

  • Qty
    1
  • Connector Type
    40 pin IDC
  • Storage Interface
    ATA-100
  • Interface
    ATA-100

Miscellaneous

  • MTBF
    500000 hour(s)

Performance

  • Seek Time
    8.9 ms (average) / 21 ms (max)
  • Drive Transfer Rate
    100 MBps (external)
  • Average Latency
    4.2 ms
  • Spindle Speed
    7200 rpm
  • Track-to-Track Seek Time
    2 ms

Expansion & Connectivity

  • Interfaces
    1 x ATA-100 - 40 pin IDC

Hard Drive

  • Form Factor
    3.5" x 1/3H
  • Interface Type
    ATA-100
  • Spindle Speed
    7200 rpm
  • Features
    Data Lifeguard, Fluid Dynamic Bearing (FDB) motor, Shock Guard
  • 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-100
  • Interface
    ATA-100
  • Average Seek Time
    8.9 ms
  • Max Seek Time
    21 ms
  • Track-to-Track Seek Time
    2 ms
  • Average Latency
    4.2 ms
  • Data Transfer Rate
    100 MBps
  • Buffer Size
    2 MB
  • Non-Recoverable Errors
    1 per 10^14
  • Start / Stop Cycles
    40000

Environmental Parameters

  • Max Altitude Operating
    9840 ft
  • Min Operating Temperature
    41 °F
  • Max Operating Temperature
    131 °F
  • Humidity Range Operating
    5 - 85%
  • Vibration Tolerance
    0.25 g @ 5-500 Hz (operating) / 4 g @ 20-500 Hz (non-operating)

Header

  • Brand
    WD
  • Product Line
    WD Caviar
  • Model
    WD400BB
  • Packaged Quantity
    1
  • Compatibility
    PC

Bay Required

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

Dimensions & Weight

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

Slot Required

  • Type
    none

Service & Support

  • Type
    3 years warranty

Service & Support Details

  • Type
    limited warranty
  • Service Included
    replacement
  • Full Contract Period
    3 years

Reliability

  • Start / Stop Cycles
    40,000
  • Non-Recoverable Errors
    1 per 10^14
  • MTBF
    500,000 hours

General

  • Manufacturer
    Western Digital Corp.