www.seagate.com | Drive Specifications |
2.8Power specifications
The drive receives DC power (+5V or +12V) through a native SATA power connector. (Refer to Figure 3 ).
2.8.1 Power consumption
Power requirements for the drives are listed in Table 2 on page 15. Typical power measurements are based on an average of drives tested, under nominal conditions, using 5.0V and 12.0V input voltage at 25°C ambient temperature.
• Spinup power
Spinup power is measured from the time of
• Read/write power and current
Read/write power is measured with the heads on track, based on a
• Operating power and current (CE profile)
Operating power is measured by simulating a typical PVR operating environment, using a 50% write, 50% read algorithm.
• 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
Table 2 DC power requirements for 2TB models
Power dissipation | Avg (watts 25°C) | Avg 5V typ amps | Avg 12V typ amps |
|
|
|
|
Spinup | — | — | 2.0 |
|
|
|
|
Idle* † | 3.7418 | 0.221 | 0.219 |
|
|
|
|
Operating | 5.05 | 0.302 | 0.295 |
|
|
|
|
Standby | 0.819 | 0.15 | 0.005 |
|
|
|
|
Sleep | 0.819 | 0.15 | 0.005 |
|
|
|
|
*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, Standby and Sleep,with DIPLM enabled
Table 3 DC power requirements for 1TB models
Power dissipation | Avg (watts 25°C) | Avg 5V typ amps | Avg 12V typ amps |
|
|
|
|
Spinup | — | — | 2.0 |
|
|
|
|
Idle* † | 2.502 | 0.152 | 0.145 |
|
|
|
|
Operating | 3.676 | 0.385 | 0.145 |
|
|
|
|
Standby | 0.819 | 0.15 | 0.005 |
|
|
|
|
Sleep | 0.819 | 0.15 | 0.005 |
|
|
|
|
*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. Measurement was taken in Idle 1 mode.
†5W IDLE, Standby and Sleep,with DIPLM enabled
Video 3.5 HDD Product Manual, Rev. H | 15 |