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SPECIFICATIONS
SpinPoint P80
Product Manual Rev. 01
8
3.4 Performance
Specifications
Table 3-4
Performance Specifications
DESCRIPTION
SP0401N
SP0802N
SP1203N
SP1604N
Seek Time (Rd/Wt, typical):
Average seek time
Track to track seek time
Full stroke seek time
8.9/10.0 ms
0.8/1.0 ms
18/19 ms
Data Transfer Rate: (Maximum)
buffer to/from media
host to/from buffer
730 Mbits/s
16.6/33/66/100/133 MB/s
Average latency
4.17 ms
Rotational Speed
7,200
±
0.35% rpm
Motor spin up time (Typical)
5 sec (1 Disk) / 7 sec (2 Disk)
Motor spin down time (Typical)
7 sec
Buffer size
2048 Kbytes/8192 Kbytes
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.
*
Model number for drives with 8MB buffer:
SP0421N for 40 GB capacity
SP0812N for 80 GB capacity
SP1213N for 120 GB capacity
SP1614N for 160 GB capacity