Seagate ST93811AS ユーザーズマニュアル

4

Momentus 5400.2 SATA Product Manual, Rev. C

Startup current, (typical, peak)

+5V: 1.1A

Track-to-track seek time 

 

(msec typical)

1.0 (read), 1.5 (write)

Average seek, read (msec typical)

12.5

Average seek, write (msec typical)

14.5

Seek power (typical)

2.20 watts

Read/write power (typical)

Read: 1.90 watts; Write: 2.30 watts

Idle mode, low power (typical)

0.80 watts

Standby mode (typical)

0.28 watts**

Sleep mode (typical)

0.28 watts**

Voltage tolerance (including noise)

+5.0V ± 5%

Ambient temperature 

5° to 55°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)

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*

2.4 (typical)

 

2.6 (max)

Performance 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 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.