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Technical Details for Hitachi Endurastar J4K50 40 GB


Technical Details for Hitachi Endurastar J4K50 40 GB Hard Disk Drive
Hitachi Endurastar J4K50 40 GB 
Description: Model ID HEJ425040F9AT0C / Hitachi Endurastar J4K50 - Hard drive - 40 GB - internal - 2.5" - ATA-100 - 4200 rpm - buffer: 8 MB / The Endurastar J4K50 is designed to operate in the most severe conditions, at temperatures of -30°C to +85°C and altitudes of -300 to +5000 meters. This ... more
Hitachi Endurastar J4K50 40 GB ... Endurastar model continues to leverage shock sensor technology for enhanced reliability and the proven technology of Hitachi HDDs for notebook PCs to deliver quiet acoustics and excellent performance.

Technical Details for Hitachi Endurastar J4K50 40 GB

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General
Device TypeHard drive - internal
Width7 cm
Depth10 cm
Height9.5 mm
Weight97 g
Hard Drive
Form Factor2.5" x 1/8H
Capacity40 GB
Interface TypeATA-100
Buffer Size8 MB
FeaturesFluid Dynamic Bearing (FDB) motor, load/unload technology, shock sensor, Thermal Flyheight Control (TFC)
Performance
Drive Transfer Rate100 MBps (external) / 48.5 MBps (internal)
Seek Time13 ms (average) / 24 ms (max)
Track-to-Track Seek Time3 ms
Average Latency7.04 ms
Spindle Speed4200 rpm
Reliability
Non-Recoverable Errors1 per 10^13
Start / Stop Cycles600,000
Expansion / Connectivity
Interfaces1 x ATA-100 - 44 PIN IDC
Compatible Bays1 x internal - 2.5" x 1/8H
Manufacturer Warranty
Service & Support3 years warranty
Service & Support DetailsLimited warranty - 3 years
Environmental Parameters
Min Operating Temperature-30 °C
Max Operating Temperature85 °C
Humidity Range Operating5 - 90%
Shock Tolerance250 g @ 2ms half-sine pulse (operating) / 800 g @ 1ms half-sine pulse (non-operating)
Vibration Tolerance5 g @ 10-500 Hz (non-operating)
 
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Hitachi Endurastar J4K50 40 GB