Seagate Barracuda ST3808110AS Product Manual page 30

Table 8: DC power requirements (for all 500GB and 400GB models))
Power dissipation (watts)
Spinup
Idle*
Idle* (with offline activity)
Operating (40% r/w, 40% seek, 20% inop.)
Seeking (random, 20% idle)
Standby
Sleep
Table 9: DC power requirements (for all 300GB, 250GB and 200GB models)
Power dissipation (watts)
Spinup
Idle*
Idle* (with offline activity)
Operating (40% r/w, 40% seek, 20% inop.)
Seeking (random, 20% idle)
Standby
Sleep
Table 10: DC power requirements (for all 160GB and 120GB models)
Power dissipation (watts)
Spinup
Idle*
Idle* (with offline activity)
Operating (40% r/w, 40% seek, 20% inop.)
Seeking (random, 20% idle)
Standby
Sleep
Table 11: DC power requirements (for all 80GB and 40GB models)
Power dissipation (watts)
Spinup
Idle*
Idle* (with offline activity)
Operating (40% r/w, 40% seek, 20% inop.)
Seeking (random, 20% idle)
Standby
Sleep
*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.
22
Avg (watts, 25° C) Avg 5V typ amps
— —
9.30 0.608
10.40 0.660
13.00 0.978
12.60 0.795
1.25 0.228
1.25 0.209
Avg (watts, 25° C) Avg 5V typ amps
— —
7.75 0.512
8.93 0.749
9.82 0.623
11.35 0.497
1.24 0.221
1.24 0.220
Avg (watts, 25° C) Avg 5V typ amps
— —
7.20 0.590
9.10 0.880
12.80 0.920
12.40 0.690
1.30 0.234
1.30 0.234
Avg (watts, 25° C) Avg 5V typ amps
— —
7.00 0.490
8.90 0.873
12.60 0.897
12.20 0.627
1.30 0.230
1.30 0.230
Barracuda 7200.9 Serial ATA Product Manual, Rev. D
Avg 12V typ amps
2.90 (peak)
0.522
0.592
0.676
0.719
0.009
0.017
Avg 12V typ amps
2.80 (peak)
0.432
0.432
0.559
0.738
0.011
0.011
Avg 12V typ amps
2.80 (peak)
0.354
0.391
0.682
0.745
0.011
0.011
Avg 12V typ amps
2.80 (peak)
0.379
0.378
0.676
0.755
0.013
0.013