Figure 1. Typical 5V Startup And Operation Current Profile; Figure 2. Typical 12V Startup And Operation Current Profile - Seagate Barracuda 7200.8 Serial ATA Product Manual

Table 4: DC power requirements
Power dissipation (typical)
Spinup
Idle
Idle* (with offline activity)
Operating (40% r/w, 40% seek, 20% inop.)
Seeking (random, 20% idle)
Standby
Sleep
*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.
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)
—
7.2
9.1
12.8
12.4
1.4
1.4
Barracuda 7200.8 Serial ATA Product Manual, Rev. F
5V typ amps 12V typ amps
— 2.8 (peak)
0.401 0.433
0.78 0.433
0.841 0.715
0.602 0.782
0.265 0.006
0.265 0.006