Seagate Barracuda ATA III Family Product Manual page 11

Barracuda ATA III Family Product Manual, Rev. B
Drive Specification ST340824A ST330620A ST320414A ST315310A ST310215A
Average latency
(msec)
Power-on to ready
(sec typical)
Standby to ready
(sec typical)
Startup current
(typical) 12V (peak)
Track-to-track seek
time (msec typical)
Average seek time
(msec)
Average seek, read
(msec typical)
Average seek, write
(msec typical)
Full-stroke seek time
(msec max)
Seek power (typical)
Read/Write power
(typical)
Idle mode (typical)
Standby mode
Sleep mode
Voltage tolerance
(including noise)
Ambient
temperature
Temperature gradi-
ent (°C per hour
max)
Relative humidity
(op. and nonop.)
Relative humidity
gradient
Wet bulb tempera-
ture (°C max)
Altitude, operating
4.16 msec
10 sec
10 sec
2.2 amps
1.2 (read), 2.0 (write)
9.0
8.5
9.5
22.0 (read), 24.0 (write)
11.5 watts
8.0 watts
6.0 watts
1.5 watts (typical), 1.6 watts (max)
1.0 watts (typical), 1.25 watts (max)
5V 5% – 0.7 amps max
12V 10% – 2.2 amps max
0° to 55°C (op.), –40° to 70°C (nonop.)
20°C
5% to 90% (op.)
5% to 95% (nonop.)
30% per hour max
29.4 (op.), 40.0 (nonop.)
–198.12 m to 3,048 m (–650 ft to 10,000
3
+
ft)