Seagate ST980825AS ユーザーズマニュアル

4

Momentus 7200.1 SATA Product Manual, Rev. B

Track-to-track seek time (msec typical)

1.5 (read), 2.0 (write) 

Average seek, read (msec typical)

10.5

Average seek, write (msec typical)

12.5

Seek power (typical)

2.6 watts

Operating power (typical)

2.4 watts

Idle mode, low power (typical)

0.95 watts

Standby mode (typical)

0.28 watts** 

Sleep mode

0.28 watts**

Voltage tolerance (including noise)

+5V ± 5% / -8% startup

Ambient temperature 

5° to 55°C (op.)

 

–40° to 70°C (nonop.)

Temperature gradient

 

(°C per hour max)

20°C (operating)

 

30°C (nonoperating)

Relative humidity

5% to 90% (operating)

 

5% to 95% (nonoperating)

Relative humidity gradient (non-condensing)

30% per hour max (operating and nonoperating)

Wet bulb temperature

 

(°C max)

30°C (operating)

 

40°C (nonoperating)

Altitude, operating

–304.8 m to 3,048 m

 

(–1000 ft to 10,000

+ 

ft)

Altitude, nonoperating 

 

(meters below mean sea level, max)

–304.8 m to 12,192 m

 

(–1000 ft to 40,000

+ 

ft)

Shock, operating (Gs max at 2 msec)

250

Shock, nonoperating (Gs max at 2 msec)

800

Shock, nonoperating (Gs max at 1 msec)

900

Shock, nonoperating (Gs max at 0.5 msec)

400

Vibration, operating

1.0 G (0 to peak, 5–500 Hz)

Vibration, nonoperating

5 Gs (0 to peak, 5–500 Hz)

Drive acoustics, sound power (bels)

     Idle*

2.5 (typical)

 

2.8 (max)

     Seek

2.9 (typical)

 

3.1 (max)

Nonrecoverable read errors

1 per 10

14 

bits read

Annualized Failure Rate (AFR)

0.73%

Service life

5 Years

Warranty

5 Years on distribution units.
To determine the warranty for a specific drive, use a web browser to access the follow-
ing 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 sys-
tem will display the warranty information for your drive.

Load/Unload (L/UL) cycles

 

 

40°C, 50% relative humidity

 

 

 

32°C, 80% relative humidity 

 

5°C, 80% relative humidity 

 

5°C, 10% relative humidity 

 

55°C, 16% relative humidity 

 

 

600,000 software-controlled power on/off cycles

 

20,000 hard power on/off cycles

 

 

100,000 software-controlled power on/off cycles

 

20,000 hard power on/off cycles