Endurastar™ J4K50 and N4K50
2.5-INCH HARD DISK DRIVES
Industrial strength drives built for extreme environments
Highlights
Features and Benefits
> Highest capacity Automotive HDD at 50GB;
67% more than prior model
> Expanded operating temperature range
from -30° C to +85° C
Feature / Function
Benefits
Capacity
50GB maximum capacity
* 12,500 4-minute MP3 songs, or
* 17 movies
40GB and 30GB also available
* 50 interactive games
> Highest operating altitude range of up
to 5000 meters
Acoustics
Reliability
Fluid Dynamic Bearing (FDB) motors
Quiet operation
-30° C to +85° C operating temperature Performs well in extreme temperature environments
-300m to +5,000m altitude on J4K50
> 4th generation product, based on
proven technology
High-endurance FDB motor
Shock sensor technology
Supports 24x7 applications
Applications
> Automotive
Cushions the drive in poor shock or vibration conditions
Improved soft error rate and performance
Thermal Fly-height Control (TFC)
> GPS navigation systems
> Applications running in hot and
humid climates
*Actual storage may vary depending on the compression rate applied.
> Industrial applications
Built like a tank
Hitachi is first to deliver a 50GB per platter Endurastar hard drive for use in extreme environ-
ments. The Endurastar J4K50 and N4K50 are offered in capacities of 30 to 50GB. Along
with the increased capacity, comes a wider temperature range and improved altitude range.
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.Endurastar N4K50 offers a temperature
range of -16°C to +70°C at altitudes of -300 to 3000 meters. The new Endurastar models con-
tinue 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.
Hitachi Endurastar drives are designed to guard and deliver your data under the harshest
environmental conditions.
50, 40 and 30GB | 4200 RPM | ATA-6
Made for the road
Hitachi Endurastar hard drives deliver the one-two punch of operating at the highest
altitude and the most extreme temperatures. These drives are designed to meet the
rigors of the automotive environment, including traditional navigation, telematics, in-car
entertainment and vehicle relational management. This time-proven design supports
around-the-clock applications in industrial environments.
The implementation of TFC, which enables direct control of the read/write element using heat,
provides more consistent spacing between the read/write element and the media, thereby
improving robustness and performance. These new Endurastar models are preferred for
applications in the most radical environments ranging from desert heat to Antartic chill.
DATA SHEET
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