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DATA SHEET
Features and Benefi ts
Feature / Function Benefi ts
Capacity 30GB maximum capacity * 7,500 4-minute MP3 songs, or
20GB also available * 2.7 hours of DV25 video, or
* 15 interactive games
Acoustics Fluid Dynamic Bearing (FDB) motors Quiet operation
Reliability -20° C to +85° C operating temperature Performs well in extreme temperature environments
(J4K30)
High-endurance FDB motor Supports 24x7 applications
Load/unload technology Reduces disk wear and helps protect user data
Built-in shock sensor Enhances data integrity
*Actual storage may vary depending on the compression rate applied.
Turn up the heat
Hitachi delivers a 50-percent storage capacity increase in its line of “extreme” hard disk drives.
The Endurstar
™
J4K30 and Endurastar N4K30 are both offered in capacities of up to 30GB,
and are designed specifi cally to perform in extreme temperature environments. With an
operating temperature range as wide as -20°C to +85°C, the new Endurastar models are built
to perform in the harshest environments—from the desert heat to the Antarctic chill.
Ideal for automotive applications
Endurastar hard drives are the preferred solution for automotive applications or other environ-
ments which require high robustness and wider operating temperatures than standard hard
drive applications. In fact, the Endurastar J4K30 is already being used in car entertainment and
navigation applications—and 30GBs of storage means users can store more than 5,000 audio
fi les, four hours of MPEG2 video and enough navigation data to cover the entire planet!
Reliability and performance
The new Endurastar models feature glass media and load/unload technology in addition
to shock sensor technology which cushions the drive in less than ideal shock or vibration
conditions. Endurastar drives incorporate fl uid dynamic bearings (FDB) in the spindle motor,
allowing the same quiet operations and improved shock characteristics as with PC models,
but offers even higher reliability for automotive environments and around-the-clock applications
in industrial environments. These features enable the Endurastar drives to achieve a
non-operating shock tolerance of 800G/1ms and an operating shock tolerance of 250G/2ms.
Endurastar
™
J4K30 and N4K30
2.5-INCH HARD DISK DRIVES
Highlights
30GB and 20GB capacity in a 2.5-inch
form factor
Operating temperature range from
-20° C to +85° C
Built-in shock sensor enhances
data integrity
Enhanced moisture control system ensures
corrosion control in extreme environments
Applications
Automotive
GPS navigation systems
Applications running in hot and
humid climates
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30 and 20GB
|
4200 RPM | ATA-5
Extreme hard drives for extreme environments