Seagate ST34311A, ST32112A, ST38421A, ST36421A manual Track-to-track seek time Msec typical

U4 Family Product Manual, Rev. D					3
Drive Specification	ST32112A		ST34311A	ST36421A	ST38421A
Track-to-track seek time
(msec typical)			2.0 (read), 2.75 (write)
Average seek time (msec
typical)			10.5 (read), 11.5 (write)
Full-stroke seek time
(msec typical)			24.0 (read), 26.0 (write)
Average latency (msec)			5.56 msec
Power-on to ready
(sec typical)			8 sec
Standby to ready
(sec typical)			7 sec
Startup current (typical):
12V (peak)			1.5 amps
Seek power (typical)			7.0 watts
Idle mode (typical)			3.1 watts
Standby mode (typical)			0.8 watts
Sleep mode (typical)			0.8 watts
Voltage tolerance			5V ± 5%, 12V ± 10%
(including noise)
Ambient temperature	0° to 55°C (op.), –40° to 70°C (nonop.)
Temperature gradient
(°C per hour max)			20°C
Relative humidity			5% to 90% (op.)
(op. and nonop.)			5% to 95% (nonop.)
Relative humidity
gradient			30% per hour max
Wet bulb temperature
(°C max)			29.4 (op.), 40.0 (nonop.)
Altitude, operating	–61 m to 3,048 m (–200 ft to 10,000+ ft)
Altitude, nonoperating	–122 m to 12,192 m (–400 ft to 40,000+ ft)
Shock (Gs at 2 msec)
operating			63 Gs
nonoperating			300 Gs
Vibration, operating		0.5 Gs (0 to peak, 5–350 Hz)