Performance Characteristics; Internal Drive Characteristics (Transparent To User); Scsi Performance Characteristics (Visible To User) - Seagate ST3146855LC - Cheetah 146.8 GB Hard Drive Product Manual

4.0

Performance characteristics

4.1

Internal drive characteristics (transparent to user)

Drive capacity
Read/write heads
Tracks/surface (total)
Tracks/inch
Peak bits/inch
Areal Density
Internal data rate
Disc rotational speed
Average rotational latency
* One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment
and formatting.
** Rounded off value.
4.2

SCSI performance characteristics (visible to user)

The values given in Section 4.2.1 apply to all models of the Cheetah 15K.5 SCSI family unless otherwise spec-
ified. Refer to the Parallel SCSI Interface Manual for additional timing details.
Cheetah 15K.5 SCSI Product Manual, Rev. H
ST3300655LW ST3146855LW
ST3300655LC ST3146855LC
300.0 146.8
8 4
74,340 74,340
125,000 125,000
890k 890k
110 110
960 to 1607 960 to 1607
15k 15k
2.0 2.0
ST373455LW
ST373455LC
73.4 GBytes (formatted)*
2
74,340 Tracks (user accessible)
125,000 TPI
890k BPI
110 Gbits/inch
960 to 1607 Mbits/sec (variable with zone)
15k rpm
2.0 msec
,
**
2
11