Seagate ST3000DM001 Barracuda SATA Product Manual - Page 19
Conducted noise, 2.8.3 Voltage tolerance, Power dissipation 2-disk values shown
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www.seagate.com Drive Specifications Table 4 DC power requirements (2-disk) Power dissipation (2-disk values shown) Spinup Idle* † Idle* † (with offline activity) Operating Standby Sleep Avg (watts 25° C) - 5.0 5.40 6.57 0.79 0.79 Avg 5V typ amps - 0.168 0.153 0.496 0.35 0.35 Avg 12V typ amps 2.0 (peak) 0.337 0.387 0.341 0.01 0.01 Table 5 DC power requirements (1-disk) Power dissipation (1-disk values shown) Spinup Idle* † Idle* † (with offline activity) Operating Standby Sleep Avg (watts 25° C) - 4.60 4.50 6.19 0.79 0.79 Avg 5V typ amps - 0.378 0.250 0.656 0.35 0.35 Avg 12V typ amps 2.0 (peak) 0.224 0.240 0.243 0.01 0.01 *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. †5W IDLE with DIPLM Enabled 2.8.2 Conducted noise Input noise ripple is measured at the host system power supply across an equivalent 80-ohm resistive load on the +12 volt line or an equivalent 15-ohm resistive load on the +5 volt line. • Using 12-volt power, the drive is expected to operate with a maximum of 120 mV peak-to-peak square-wave injected noise at up to 10MHz. • Using 5-volt power, the drive is expected to operate with a maximum of 100 mV peak-to-peak square-wave injected noise at up to 10MHz. Note Equivalent resistance is calculated by dividing the nominal voltage by the typical RMS read/write current. 2.8.3 Voltage tolerance Voltage tolerance (including noise): • 5V +10% / -7.5% • 12V +10% / -7.5% Barracuda SATA Product Manual, Rev. B 19