Seagate ST373207LC Cheetah 10K.7 SCSI Product Manual - Page 21

Performance characteristics

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4.0 Performance characteristics 4.1 Internal drive characteristics (transparent to user) Drive capacity Read/write heads Bytes/track Bytes/surface Tracks/surface (total) Tracks/inch Peak bits/inch Internal data rate Disc rotational speed Average rotational latency ST3300007 300.0 8 556 50.5 90,774 105,000 658 470 - 944 10,000 3.00 ST3146707 ST373207 146.8 73.4 4 2 556 556 50.5 50.5 90,774 90,774 105,000 105,000 658 658 470 - 944 470 - 944 10,000 10,000 3.00 3.00 GByte (formatted, rounded off values) Kbytes (average, rounded off values) Gbytes (unformatted, rounded off values) Tracks (user accessible) TPI KBPI Mbits/sec (variable with zone) r/min msec 4.2 SCSI performance characteristics (visible to user) The values given in Section 4.2.1 apply to all models of the Cheetah 10K.7 SCSI family unless otherwise specified. Refer to Section 9.10 and to the SCSI Interface Product Manual for additional timing details. Cheetah 10K.7 SCSI Product Manual, Rev. D 11

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Cheetah 10K.7 SCSI Product Manual, Rev. D
11
4.0
Performance characteristics
4.1
Internal drive characteristics (transparent to user)
4.2
SCSI performance characteristics (visible to user)
The values given in Section 4.2.1 apply to all models of the Cheetah 10K.7 SCSI family unless otherwise spec-
ified. Refer to Section 9.10 and to the
SCSI Interface Product Manual
for additional timing details.
ST3300007
ST3146707
ST373207
Drive capacity
300.0
146.8
73.4
GByte (formatted, rounded off values)
Read/write heads
8
4
2
Bytes/track
556
556
556
Kbytes (average, rounded off values)
Bytes/surface
50.5
50.5
50.5
Gbytes (unformatted, rounded off values)
Tracks/surface (total)
90,774
90,774
90,774
Tracks (user accessible)
Tracks/inch
105,000
105,000
105,000
TPI
Peak bits/inch
658
658
658
KBPI
Internal data rate
470 - 944
470 - 944
470 - 944
Mbits/sec (variable with zone)
Disc rotational speed
10,000
10,000
10,000
r/min
Average rotational latency
3.00
3.00
3.00
msec