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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