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Hardware Specifications

Features
Capacity
Average Seek Time 12msec (TYP)
Power Consumption
Interface
Operation Lifetime
Weight
• This HDD unit has a finite usage lifetime. Therefore, be sure to back up all HDD data
periodically and/or prepare a backup HDD unit.
• The HDD unit's lifetime will vary, depending on the usage conditions and environ-
ment. The above value is calculated assuming an ambient temperature of 20°C and
333 hours of operation per month. (HDD access frequency of 20% or less)
• To use the hard disk longer by steady operation, read the attached "Instructions for
Using the Hard Disk" carefully.
Environment
Operating
Temperature
Storage Temperature
Ambient Humidity
Noise Resistance
(via Noise Simulator)
Electrostatic Discharge
Vibration Resistance
Shock Resistance
• Using the HDD unit in an environment that is excessively hot and/or humid will
shorten the disk's usage lifetime. A wet bulb temperature of 29°C or less is recom-
mended. This is equivalent to the following data.
Temperature
Humidity
40GB
At Startup : 5.0W (MAX)
Read/Write : 1.8/1.8W (TYP)
During Wait : 0.2W (TYP)
PATA
5 years, or 20,000 operating hours,whichever comes first
Approx. 200g
PS-3710A
+5°C+50°C
PS-3711A
+5°C+45°C
-10°C+60°C
10%RH to 90%RH (no condensation)
(Wet bulb temperature: 29°C or less)
Noise Voltage: 1500Vp-p
Pulse Width: 50ns, 500ns, 1µs
6kV
4.9m/s
3920m/s
at 35°C
no higher than 64%RH
2
(10Hz to 25Hz) (When Operating)
2
(1ms, Half-sine shock pulse) (When Shipping)
no higher than 44%RH
10
at 40°C