Figure 1. Typical +5V Startup And Operation Current Profile - Seagate Momentus 5400.3 ST9100828SB Product Manual

• Idle mode power
Idle mode power is measured with the drive up to speed, with servo electronics active and with the heads in
a random track location.
• Standby mode
During Standby mode, the drive accepts commands, but the drive is not spinning, and the servo and read/
write electronics are in power-down model
Table 3: DC power
Power dissipation
Spinup
Seek
Read
Write
Idle, performance mode*
Idle, active*
Idle, low power mode*
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.

Figure 1. Typical +5V startup and operation current profile

8
+5V input average (25° C)
1.0 A
2.0 watts
1.9 watts
1.8 watts
1.4 watts
0.75 watts
0.6 watts
0.2 watts
0.2 watts
Momentus 5400.3 SATA Blade Server Product Manual, Rev. E