Western Digital Ultrastar DC HC310 - Table 10 4 TB Mode Transition Times; Table 9 6 TB Mode Transition Times

11
Western Digital Hard Disk Drive OEM Specification
4.5.3.2 Mode Transition Times
Mode transition times are shown below.
From
To
RPM
Typical (sec)
Idle_B
Active
7200
1
Idle_C
Active
6300 --> 7200
4
Standby_Y
Active
6300 --> 7200
4
Standby_Z
Active
0 --> 7200
15
Table 9 6TB Mode Transition Times
From
To
RPM
Typical (sec)
Idle_B
Active
7200
1
Idle_C
Active
6300 --> 7200
4
Standby_Y
Active
6300 --> 7200
4
Standby_Z
Active
0 --> 7200
15
Table 10 4TB Mode Transition Times
Note: Maximum transition time of 30 seconds based on drive timeout value