Spinpoint M9TU-USB 3.0 Product Manual REV 1.0
6
SPECIFICATIONS
3.4
Performance Specifications
Table 3-4: Performance Specifications
DESCRIPTION
ST1500LM008
ST2000LM005
Average Seek Time
12msec
Average Latency
5.6 ms
Spin up Time
6 sec
Data Transfer Rate (Max)
buffer to/from media
host to/from buffer
169 MB/s
625 MB/s
Rotational Speed
5,400 RPM Class
Buffer size
32MB
NOTES:
∗
Seek time is defined as the time from the receipt of a read, write or seek
command until the actuator has repositioned and settled on the desired track
with the drive operating at nominal DC input voltages and nominal operating
temperature.
∗
Average seek time is determined by averaging the time to complete 1,000
seeks of random length.
∗
Average latency is the time required for the drive to rotate 1/2 of a revolution
and on average is incurred after a seek completion prior to reading or writing
user data.
∗
Spin up time is the time elapsed between the supply voltages reaching operating
range and the drive being ready to accept all commands.
∗
Actual rotational speed can be different a little.
