Figure 1. Typical 5V Startup And Operation Current Profile; Figure 2. Typical 12V Startup And Operation Current Profile - Seagate SERIAL ATA ST3120213SCE Product Manual

Table 4: DC power requirements
Power dissipation (typical)
Example: ST3500841SCE
Spinup
Idle
Operating (Consumer Storage Profile)
Operating (PVR Storage Profile)
Seeking
Standby
Sleep
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

14
Average (watts, 25° C)
—
8.00
9.20
4.88
12.60
0.80
0.80
DB35.2 Serial ATA Product Manual, Rev. B
5V typ amps 12V typ amps
— 2.0 (peak)
0.353 0.519
0.587 0.520
0.39 0.41
0.613 0.795
0.106 0.023
0.106 0.023