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14 DB35.2 Serial ATA Product Manual, Rev. B
2.8.1.1 Typical current profiles
Figure 1. Typical 5V startup and operation current profile
Figure 2. Typical 12V startup and operation current profile
Table 4: DC power requirements
Power dissipation (typical)
Example: ST3500841SCE Average (watts, 25° C) 5V typ amps 12V typ amps
Spinup — — 2.0 (peak)
Idle 8.00 0.353 0.519
Operating (Consumer Storage Profile) 9.20 0.587 0.520
Operating (PVR Storage Profile) 4.88 0.39 0.41
Seeking 12.60 0.613 0.795
Standby 0.80 0.106 0.023
Sleep 0.80 0.106 0.023