Seagate ST980811AS ユーザーズマニュアル

4

Momentus 5400.3 SATA Product Manual, Rev. D

Average seek, read (msec typical)

11.0

Average seek, write (msec typical)

13.0

Full-stroke seek (msec)

22 (typical); 24 (max)

Startup current, +5V (typical)

1.0 amps

Seek power (typical)

2.0 watts

Read/write power (typical)

Read: 1.9 watts; Write: 1.8 watts

Idle mode, low power (typical)

0.6 watts

Standby mode

0.2 watts (typical)***

Sleep mode

0.2 watts (typical)***

Voltage tolerance (including noise)

+5V ± 5%

Ambient temperature 

0° to 60°C (operating), –40° to 70°C (nonoperating)

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

30% per hour max

Wet bulb temperature

 

(°C max)

30 (operating)

 

40 (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)

350

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**

2.4 (typical)

 

2.6 (max)

   Performance seek

3.0 (typical)

 

3.2 (max)

Nonrecoverable read errors

1 per 10

14 

bits read

Annualized Failure Rate (AFR)

<0.60%

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 

 

55°C, 16% relative humidity 

 

 

600,000 software-controlled power on/off cycles

 

20,000 hard power on/off cycles

 

 

600,000 software-controlled power on/off cycles

 

20,000 hard power on/off cycles