Seagate ST9120822AS manual Drive specifications, ST9160821AS, ST9100828AS, ST980811AS, ST960813AS

Table 1:	Drive specifications
Drive specification		ST9160821AS	ST9120822AS	ST9100828AS	ST980811AS	ST960813AS	ST940814AS
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		20°C (operating)
(°C per hour max)		30°C (nonoperating)
Relative humidity		5% to 90% (operating)
		5% to 95% (nonoperating)
Relative humidity gradient		30% per hour max
Wet bulb temperature		30 (operating)
(°C max)		40 (nonoperating)
Altitude, operating		–304.8 m to 3,048 m (–1000 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		350
(Gs max at 2 msec)
Shock, nonoperating		800
(Gs max at 2 msec)
Shock, nonoperating		900
(Gs max at 1 msec)
Shock, nonoperating		400
(Gs max at 0.5 msec)
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 1014 bits read
Annualized Failure Rate (AFR)		<0.60%
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

4 Momentus 5400.3 SATA Product Manual, Rev. D