General Performance Characteristics - Seagate ST15150N - Barracuda 4.3 GB Hard Drive Product Manual

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5.3
ST15150N/ND/W/WD/WC/DC Product Manual, Rev. D

General performance characteristics

Minimum sector interleave
Data buffer to/from disc media
Data transfer rate ( 1 sector)
Minimum
Maximum
Data transfer rate (< 1 track)
Minimum, divided by interleave factor
Maximum, divided by interleave factor
Sector sizes
Default
Variable in even-sector sizes
SCSI interface data
Async. transfer rate, max instantaneous
ST15150N/ND
ST15150W/WD/WC/DC
Synchronous transfer rate fast
ST15150N/ND
Synchronous transfer rate wide
ST15150W/WD/WC/DC
Read/write consecutive sectors on a track
Flaw reallocation performance impact
(for flaws reallocated using the spare
sectors per track reallocation scheme)
Flaw reallocation performance impact
(for flaws reallocated using the spare
sectors per cylinder reallocation scheme)
Flaw reallocation performance impact
(for flaws reallocated using the spare
tracks per volume reallocation scheme)
Overhead time for head switch
Overhead time for one track cylinder switch
Average rotational latency
* Rate measured from the start of the first sector transfer to or from the host.
** Assumes system ability to support 5.0 Mbytes/sec and no cable loss.
*** Assumes system ability to support 10.0 Mbytes/sec and no cable loss.
1 to 1
512-byte sector
5.30 Mbytes/sec*
8.94 Mbytes/sec*
3.56 Mbytes/sec
7.65 Mbytes/sec
512-byte data blocks
180 to 4,096 bytes
5.0 Mbytes/sec*, **
10.0 Mbytes/sec*, ***
0.5 to 10.0 Mbytes/sec
0.5 to 20.0 Mbytes/sec
Yes
Negligible
Negligible
35 msec (typical)
0.7 msec
1.6 msec (typical)
4.17 msec