Table 11: Mode Transition Times; Mode Transition Time - Hitachi HDT725025VLA380 - Deskstar 0A33423 T7K500 250GB SATA 7200RPM 8MB Cache Hard Drive Specifications

4.5.4.2 Mode transition time

Table 11: Mode transition times

From
Standby Idle
Idle Standby
Standby Sleep
Sleep Standby
Unload idle Idle
Idle Unload idle
Low RPM Idle Idle
Note: The command is processed immediately (within 1ms) but there will be an actual spin down time reflecting
the seconds passed until the spindle motor stops.
To RPM
0 ---> 7200 (3 disks)
7200 ---> 0
0
0
7200
7200
4500 ---> 7200
Deskstar T7K500 Hard Disk Drive Specification
Transition time (sec)
Typical
10
Immediately
Immediately
Immediately
0.7
0.7
4(2D) / 6 (3D)
18
Maximum
20
Immediately
Immediately
Immediately
1
1
10