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DiamondMax 22 Serial ATA Product Manual, Rev. A 11
Table 3: 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 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
Power dissipation (3-disc values shown) Avg (watts 25° C) Avg 5V typ amps Avg 12V typ amps
Spinup — — 3.0 (peak)
Idle* 7.96 0.320 0.530
Idle* (with offline activity) 9.29 0.610 0.520
Operating (40% r/w, 40% seek, 20% inop.) 11.16 0.600 0.680
Seeking (random, 20% idle) 10.42 0.500 0.660
Standby 0.99 0.150 0.020
Sleep 0.99 0.150 0.020
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