Seagate Exos X18 SAS Product Manual, Rev. D
27
www.seagate.com
Physical/electrical specifications
Table 4
DC power requirements (12TB models)
Notes
12.0Gb mode
(Amps)
(Amps)
(Watts)
Voltage
+5V
+12V [[2]]
Regulation
[5]
± 5%
± 10% [2]
Avg idle current DCX
[1] [6]
0.37
0.26
4.99
Advanced idle current
Idle A
0.37
0.26
4.99
Idle B
0.33
0.17
3.80
Idle C
0.31
0.12
2.99
Standby
0.28
0.01
1.47
Maximum starting current
(peak DC) DC
[3]
1.00
1.55
(peak AC) AC
[3]
1.10
2.92
Delayed motor start (max) DC
[3] [4]
0.52
0.10
Peak operating current (random read 4K16Q)
Typical DCX
[1]
0.42
0.58
9.02
Maximum DC
[1]
0.43
0.58
Maximum (peak) DC
1.18
2.30
Peak operating current (random write 4K16Q)
Typical DCX
[1]
0.50
0.31
6.22
Maximum DC
[1]
0.51
0.31
Maximum (peak) DC
1.17
2.42
Peak operating current (sequential read 64K16Q)
Typical DCX
[1]
0.88
0.27
7.58
Maximum DC
[1]
0.88
0.27
Maximum (peak) DC
1.26
0.69
Peak operating current (sequential write 64K16Q)
Typical DCX
[1]
0.97
0.27
8.01
Maximum DC
[1]
0.97
0.27
Maximum (peak) DC
1.27
0.62
