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EE25 Series Product Manual, Rev. E
7
*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment
and formatting.
**During periods of drive idle, some offline activity may occur, according to the S.M.A.R.T. specification, which may increase acoustic and
power to operational levels.
***Typical host systems will pull power to the drive when entering S3 and S4; while in the S3 and S4 states, drive sleep and drive standby
modes will not contribute to battery power consumption.
Wet bulb temperature 40°C (operating, max)
40°C (nonoperating, max)
Altitude, operating (at 25°C) –304.8 m to 4,419.6 m (–1000 ft to 14,500 ft)
For higher temperature capabilities, See “Temperature vs. altitude capability”
on page 15.
Altitude, nonoperating (below mean sea level, max) –304.8 m to 12,192 m (–1,000 ft to 40,000 ft)
Shock, operating
at 2 msec
at 11 msec
200 Gs max
110 Gs max
Shock, nonoperating
at 2 msec
at 1 msec
at 0.5 msec
800 Gs max
800 Gs max
400 Gs max
Vibration, operating
(max displacement may apply below 10 hz)
2.0 G (10 - 200 Hz)
1.0 G (200 - 500 Hz)
Vibration, nonoperating
(max displacement may apply below 22 hz)
5.0 Gs (0 to peak, 5–500 Hz)
Drive acoustics, sound power
Idle** 2.3 Bels (typical)
2.5 Bels (max)
Normal seek 2.5 Bels (typical)
2.7 Bels (max)
Performance seek 2.8 Bels (typical)
3.0 Bels (max)
Nonrecoverable read errors 1 per 10
14
bits read
Mean Time Before Failure (MTBF) 550,000 power-on hours
At 8,760 POH (Power On Hours) per year
Max case temperature: 70°C at the case measurement location shown in
Figure 3.
Load/Unload (U/UL) cycles
25°C, 50% relative humidity
32°C, 80% relative humidity
5°C, 80% relative humidity
5°C, 10% relative humidity
60°C, 20% relative humidity
600,000 software-controlled power on/off cycles
30,000 hard power on/off cycles
600,000 software-controlled power on/off cycles
30,000 hard power on/off cycles
Service life 10 years (form, fit, and function replacement)
Warranty 1 year standard (up to 5 years max with additional warranty purchase).
To determine the warranty for a specific drive, use a web browser to access the
following web page:
www.seagate.com/support/service/
From this page, click on the “Verify Your Warranty” link. You will be asked to
provide the drive serial number, model number (or part number) and country of
purchase. The system will display the warranty information for your drive.
Drive specification
ST920813AM
(OEM)
ST920814AM
(Aftermarket)