Seagate Barracuda 7200.11 Serial ATA Product Manual, Rev. C 13, Table 4: DC power requirements , Table 5: DC power requirements

Barracuda 7200.11 Serial ATA Product Manual, Rev. C 13
Table 4: DC power requirements
*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.
Table 5: DC power requirements
*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
Power dissipation (4-disc values shown) Avg (watts 25° C) Avg 5V typ amps Avg 12V typ amps
Spinup — — 2.8 (peak)
Idle* 8.30 0.330 0.530
Idle* (with offline activity) 8.30 0.330 0.530
Operating (40% r/w, 40% seek, 20% inop.) 10.80 0.700 0.610
Seeking (random, 20% idle) 10.10 0.430 0.663
Standby 0.90 0.130 0.021
Sleep 0.90 0.130 0.021
Power dissipation (1-disc values shown) Avg (watts 25° C) Avg 5V typ amps Avg 12V typ amps
Spinup — — 2.0 (peak)
Idle* 5.00 0.250 0.240
Idle* (with offline activity) 5.00 0.250 0.240
Operating (40% r/w, 40% seek, 20% inop.) 9.00 0.648 0.480
Seeking (random, 20% idle) 8.00 0.293 0.470
Standby 1.0 0.15 0.015
Sleep 1.0 0.15 0.015