Seagate BARRACUDA ST31500541AS User Manual
Page 17
Barracuda LP Series SATA Product Manual, Rev. B
11
Table 3:
DC power requirements
Power dissipation (2TB and 1.5TB models)
Avg (watts 25° C)
Avg 5V typ amps
Avg 12V typ amps
Spinup
—
—
2.0 (peak)
Idle* †
5.50
0.168
0.337
Operating (average)
6.80
0.360
0.420
Standby
0.500
0.350
0.010
Sleep
0.500
0.350
0.010
*During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and
power to operational levels.
†5W IDLE with DIPLM Enabled
Note.
Drive supports PHY layer power management. When enabled, a power savings of ~300mw can be achieved
in Idle, Standby and Sleep modes.
Power dissipation (1TB models)
Avg (watts 25° C)
Avg 5V typ amps
Avg 12V typ amps
Spinup
—
—
2.0 (peak)
Idle* †
3.70
0.239
0.216
Operating (average)
5.70
0.335
0.350
Standby
0.321
0.225
0.096
Sleep
0.321
0.225
0.096
Power dissipation (500GB models)
Avg (watts 25° C)
Avg 5V typ amps
Avg 12V typ amps
Spinup
—
—
2.0 (peak)
Idle* †
3.40
0.313
0.161
Operating (average)
5.00
0.360
0.270
Standby
0.298
0.420
0.008
Sleep
0.298
0.420
0.008