Seagate ST94015AS manual Drive specifications, ST910021AS, ST980825AS, ST96023AS

Table 1:	Drive specifications
Drive specification		ST910021AS	ST980825AS	ST96023AS	ST94015AS
Track-to-track seek time (msec typical)		1.5 (read), 2.0 (write)
Average seek, read (msec typical)		10.5
Average seek, write (msec typical)		12.5
Seek power (typical)		2.6 watts
Operating power (typical)		2.4 watts
Idle mode, low power (typical)		0.95 watts
Standby mode (typical)		0.28 watts**
Sleep mode		0.28 watts**
Voltage tolerance (including noise)		+5V ± 5% / -8% startup
Ambient temperature		5° to 55°C (op.)
		–40° to 70°C (nonop.)
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 (non-condensing)		30% per hour max (operating and nonoperating)
Wet bulb temperature		30°C (operating)
(°C max)		40°C (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
(meters below mean sea level, max)		(–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*		2.5 (typical)
		2.8 (max)
Seek		2.9 (typical)
		3.1 (max)
Nonrecoverable read errors		1 per 1014 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 follow-
		ing 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 sys-
		tem will display the warranty information for your drive.
Load/Unload (L/UL) cycles
40°C, 50% relative humidity		600,000 software-controlled power on/off cycles
		20,000 hard power on/off cycles
32°C, 80% relative humidity		100,000 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 7200.1 SATA Product Manual, Rev. B