Hard Disk Drive / SSD / Storage Device Technical Details
Hard Disk Model | WDC WD400JB- |
Disk Family | Caviar SE |
Form Factor | 3.5" |
Capacity | 40 GB (40 x 1 000 000 000 bytes) |
Rotational Speed | 5400 RPM |
Rotation Time | 11.11 ms |
Average Rotational Latency | 5.56 ms |
Disk Interface | Ultra-ATA/100 |
Buffer-Host Max. Rate | 100 MB/seconds |
Buffer Size | 8192 KB |
Drive Ready Time (typical) | 7 seconds |
Average Seek Time | 8.9 ms |
Track To Track Seek Time | 2 ms |
Full Stroke Seek Time | 21 ms |
Width | 101.6 mm (3.98 inch) |
Depth | 147 mm (5.79 inch) |
Height | 25.4 mm (0.98 inch) |
Manufacturer | Western Digital Corporation |
S.M.A.R.T. Values
Average temperature | Information not yet available |
Average health | Information not yet available |
S.M.A.R.T. statistics and more information for this type of hard disk will be available soon. If you have this type of hard disk, please select Send test report to developer option from the Report menu. |
Disk Drive Rating
Average rating: 3.8 |  [ 2019 vote(s) ] Rate this hard disk: 1 - Lowest  10 - Highest |
Recently Viewed Hard Disks
HITACHI HDS721032CLA362 (320 GB S-ATA II)
WDC WD5000ABYS (500 GB S-ATA II)
WDC WD7500AYYS (750 GB S-ATA II)
Disclaimer
Device manufacturers may change any parameters without prior notice. There is no warranty that the information listed here is complete and accurate. If you encounter any improper value, please let us know.
All trademarks and registered trademarks are the property of their respective owners.