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18 Barracuda SATA Product Manual, Rev. G
Drive Specifications www.seagate.com
*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
Table 3 DC power requirements (3-disk: 3TB and 2TB models)
Power dissipation (3-disk values shown) Avg (watts 25° C) Avg 5V typ amps Avg 12V amps
Spinup — — 2.0A or 2.8A
Idle2* † 5.40 0.190 0.377
Operating 8.00 0.510 0.462
Standby 0.75 0.136 0.005
Sleep 0.75 0.136 0.005
Table 4 DC power requirements (2-disk: 2TB and 1.5TB models)
Power dissipation (2-disk values shown) Avg (watts 25° C) Avg 5V typ amps Avg 12V amps
Spinup — — 2.0A or 2.8A
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 5 DC power requirements (1-disk: 1TB and 750GB models)
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
Table 6 DC power requirements (1-disk: 500, 320 and 250GB models)
Power dissipation (1-disk values shown) Avg (watts 25° C) Avg 5V typ amps Avg 12V typ amps
Spinup — — 2.0
Perf Idle* † 4.60 0.378 0.224
Operating 6.19 0.656 0.243
Standby 0.79 0.350 0.010
Sleep 0.79 0.350 0.010