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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)
Table 1: Drive specifications for 500, 400 and 320 GB models
Drive specification
ST9500325AS
ST9500325ASG ST9400326AS
ST9320325AS
ST9320325ASG