Seagate ST9500325ASG, ST9320325ASG, ST9250315ASG manual Read 2.6 watts Write 2.85 watts

Table 1:	Drive specifications
		ST9500325AS	ST9320325AS	ST9250315AS	ST9160314AS
Drive specification		ST9500325ASG	ST9320325ASG	ST9250315ASG	ST9160314ASG	ST9120315AS
Full-stroke seek, read (msec max)		30
Startup current, +5V (max)		1.0 amp
Seek power (typical)		1.54 watts
Read/write power (typical)		Read: 2.6 watts; Write: 2.85 watts
Idle mode, low power (typical)		0.67 watts
Standby mode		0.22 watts (typical)***
Sleep mode		0.22 watts (typical)***
Voltage tolerance (including noise)		+5V ± 5%
Ambient temperature		0° to 60°C (operating), –40° to 70°C (nonoperating)
Temperature gradient		20°C (operating)
(°C per hour max)		35°C (nonoperating)
Relative humidity		5% to 95% (operating)
		5% to 95% (nonoperating)
Relative humidity gradient		30% per hour max
Wet bulb temperature		37.7 (operating)
(°C max)		40 (nonoperating)
Altitude, operating		–304.8 m to 3,048 m (–1,000 ft to 10,000+ ft)
Altitude, nonoperating		–304.8 m to 12,192 m (–1000 ft to 40,000+ ft)
(meters below mean sea level, max)
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, 10–500 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 1014 bits read
Annualized Failure Rate (AFR)		0.48%
Load/Unload (U/UL) cycles
25°C, 50% relative humidity		600,000 software-controlled power on/off cycles
		20,000 hard power on/off cycles
32°C, 80% relative humidity		600,000 software-controlled power on/off cycles
5°C, 80% relative humidity		20,000 hard power on/off cycles
5°C, 10% relative humidity
55°C, 16% relative humidity
Warranty		To determine the warranty for a specific drive, use a web browser to access the follow-
		ing 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
		warranty information for your drive.
Supports Hotplug operation per Serial ATA		Yes (requires COMRESET from host after a hotplug event)
Revision 2.6 specification

*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment

4 Momentus 5400.6 SATA Product Manual, Rev. A