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Seagate Desktop SSHD Product Manual, Rev. C 8
www.seagate.com Drive Specifications
*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.
2.8.3 Voltage tolerance
Voltage tolerance (including noise):
• 5V ±5%
• 12V +10% / -7.5%
Table 2 DC power requirements (2-disk: 2TB model)
Power dissipation (2-disk values shown) Avg (watts 25° C) Avg 5V typ amps Avg 12V amps
Spinup — — 2.0A
Idle2* † 4.50 0.196 0.296
Operating 6.70 0.525 0.340
Standby 0.75 0.136 0.005
Sleep 0.75 0.136 0.005
Table 3 DC power requirements (1-disk: 1TB model)
Power dissipation (1-disk values shown) Avg (watts 25° C) Avg 5V typ amps Avg 12V amps
Spinup — — 2.0
Idle2* † 3.36 0.152 0.216
Operating 5.90 0.500 0.329
Standby 0.63 0.111 0.006
Sleep 0.63 0.111 0.006
Note
Equivalent resistance is calculated by dividing the nominal voltage by the typical RMS read/write current.