Seagate ST3000DM001 Barracuda 7200.11 SATA Product Manual - Page 19
Table 4, DC power requirements, Table 5
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Table 4: DC power requirements 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 *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 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 *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 Barracuda 7200.11 Serial ATA Product Manual, Rev. E 13