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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
drives tested, under nominal conditions, using 5.0V and 12.0V input voltage at 35°C ambient temperature.
Table 6 DC power requirements (18TB and 16TB models)
Voltage
Regulation
Avg Idle Current *
Advanced Idle Current *
Idle_A
Idle_B
Idle_C
Standby
Maximum Start Current
DC (peak DC)
AC (Peak DC)
Delayed motor start (max) DC
Operating current (random read 4K16Q):
Typical DC
Typical DC, Power Balance enabled (~12W)
Typical DC, Power Balance enabled (~11W)
Maximum DC
Maximum DC (peak)
Operating current (random write 4K16Q)
Typical DC
Typical DC, Power Balance enabled (~12W)
Typical DC, Power Balance enabled (~11W)
Maximum DC
Maximum DC (peak)
Operating current (sequential read 256K16Q)
Typical DC
Typical DC, Power Balance enabled (~12W)
Typical DC, Power Balance enabled (~11W)
Maximum DC
Maximum DC (peak)
Operating current (sequential write 256K16Q)
Typical DC
Typical DC, Power Balance enabled (~12W)
Typical DC, Power Balance enabled (~11W)
Maximum DC
Maximum DC (peak)
*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.
Seagate Exos 2X18 SATA Product Manual, Rev. A
Table
6. Typical power measurements are based on an average of
6.0Gb mode
+5V
+12V
± 5%
± 10%
0.646
0.375
0.647
0.374
0.531
0.210
0.530
0.141
0.509
0.015
1.173
1.440
1.300
2.000
0.756
0.150
0.691
0.636
0.690
0.638
0.689
0.610
0.710
0.643
1.361
2.508
0.696
0.480
0.698
0.475
0.697
0.476
0.715
0.485
1.082
2.101
1.238
0.570
1.120
0.491
1.030
0.463
1.261
0.580
1.538
2.202
1.081
0.575
0.986
0.521
0.943
0.493
1.103
0.581
1.384
1.837
Drive specifications
See Figure 3 on page 22
Watts
Total
7.73
7.72
5.19
4.38
2.77
11.04
11.07
10.73
9.23
9.18
9.19
13.05
11.52
10.72
12.30
11.19
10.64
.
12
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