Seagate ST980815SB - Momentus 5400.3 Blade Server 80 GB Hard Drive, Product Manual

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8 Momentus 5400.3 SATA Blade Server Product Manual, Rev. E
• 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
*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. T5V startup and operation current profile
Table 3: DC power
Power dissipation +5V input average (25° C)
Spinup 1.0 A
Seek 2.0 watts
Read 1.9 watts
Write 1.8 watts
Idle, performance mode* 1.4 watts
Idle, active* 0.75 watts
Idle, low power mode* 0.6 watts
Standby 0.2 watts
Sleep 0.2 watts