Seagate ST9400326AS ユーザーズマニュアル

4

Momentus 5400.6 SATA Product Manual, Rev. E

see notes after Table 3.

Average seek, read (msec typical)

14

Full-stroke seek, read (msec max)

30

Startup current, +5V (max)

1 amp

Seek power (typical)

1.54 watts

Read/write power (typical)

Read: 1.40 watts; Write: 1.78 watts

Idle mode, low power (typical)

0.67 watts

Standby mode

0.20 watts (typical)***

Sleep mode

0.20 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)

 

35°C (nonoperating)

Relative humidity

5% to 95% (operating)

 

5% to 95% (nonoperating)

Relative humidity gradient

30% per hour max

Wet bulb temperature

 

(°C max)

37.7 (operating)

 

40 (nonoperating)

Altitude, operating

–304.8 m to 3,048 m (–1,000 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)

1,000

Shock, nonoperating (Gs max at 0.5 msec)

600

Vibration, operating

1.0 G (0 to peak, 5–500 Hz)

Vibration, nonoperating

5.0 Gs (0 to peak, 5–500 Hz)

Drive acoustics,  sound power (bels)

   Idle**

2.4 (typical)

 

2.6 (max)

   Performance seek

2.6 (typical)

 

2.7 (max)

Nonrecoverable read errors

1 per 10

14 

bits read

Annualized Failure Rate (AFR)

0.48%

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

 

Warranty

To determine the warranty for a specific drive, use a web browser to access the following 
web page: support.seagate.com/customer/warranty_validation.jsp

 
You will be asked to provide the drive serial number, model number (or part number) and 
country of purchase. After submitting this information, the system will display the war-
ranty information for your drive.

Supports Hotplug operation per Serial ATA 
Revision 2.6 specification

Yes (requires COMRESET from host after a hotplug event)