Seagate Exos X18 SATA Product Manual, Rev. B
12
www.seagate.com
Drive specifications
2.5
Power specifications
The drive receives DC power (+5V or +12V) through a native SATA power connector.
.
2.5.1
Power consumption
Power requirements for the drives are listed in
. Typical power measurements are based on an average of
drives tested, under nominal conditions, using 5.0V and 12.0V input voltage at 35°C ambient temperature.
Table 6 DC power requirements (18TB models)
6.0Gb mode
Voltage
+5V
+12V
Watts
Regulation
± 5%
± 10%
Total
Avg Idle Current *
0.30
0.31
5.26
Advanced Idle Current *
Idle_A
0.30
0.31
5.28
Idle_B
0.25
0.19
3.49
Idle_C
0.24
0.13
2.73
Standby
0.23
0.01
1.31
Maximum Start Current
DC (peak DC)
1.01
2.02
AC (Peak DC)
1.08
2.88
Delayed motor start (max) DC
0.51
0.12
Operating current (random read 4K16Q):
Typical DC
0.36
0.64
9.45
Maximum DC
0.37
0.65
Maximum DC (peak)
1.10
2.34
Operating current (random write 4K16Q)
Typical DC
0.44
0.35
6.46
Maximum DC
0.45
0.36
Maximum DC (peak)
1.17
2.44
Operating current (sequential read 64K16Q)
Typical DC
0.82
0.31
7.85
Maximum DC
0.83
0.32
Maximum DC (peak)
1.17
1.82
Operating current (sequential write 64K16Q)
Typical DC
0.92
0.31
8.33
Maximum DC
0.93
0.32
Maximum DC (peak)
1.22
0.66
