Seagate ST373405LW Product Manual - Page 19
Performance characteristics
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Cheetah 73LP Product Manual, Rev. C 9 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 ST373405 73.4 8 397,385 12,100 29,549 38,000 474 399-671 10,041 2.99 ST336605 36.7 4 397,385 12,100 29,549 38,000 474 399-671 10,041 2.99 GByte (formatted, rounded off values) Bytes (average, rounded off values) Mbytes (unformatted, rounded off values) Tracks (user accessible) TPI KBPI Mbits/sec (variable with zone) r/min (+0.5%) msec 4.2 SCSI performance characteristics (visible to user) The values given in Section 4.2.1 apply to all models of the Cheetah 73LP family unless otherwise specified. Refer to Section 9.10 and to the SCSI Interface Product Manual, part number 75789509, for additional timing details. 4.2.1 Access time [5] ST373405 Average-Typical [2] Single Track-Typical [2] Full Stroke-Typical [2] Including controller overhead (without disconnect) [1] [3] Drive level Read Write msec 5.3 5.7 0.6 0.8 9.6 10.0 Not including controller overhead (without disconnect) [1] [3] Drive level Read Write msec 5.1 5.5 0.4 0.6 9.4 9.8 ST336605 Average-Typical [2] 4.9 5.4 4.7 5.2 Single Track-Typical [2] 0.6 0.8 0.4 0.6 Full Stroke-Typical [2] 8.8 9.3 8.6 9.1 4.2.2 Format command execution time (minutes) [1] Maximum (with verify) Maximum (no verify) ST373405 ST336605 120 90 60 45 4.2.3 Generalized performance characteristics Minimum sector interleave 1 to 1 Data buffer transfer rate to/from disc media (one 512-byte sector): Minimum [3]* Average [3] Maximum [3] 38.4 MByte/sec 52.0 MByte/sec 63.9 MByte/sec