Seagate ST336607LW ST3146807LC Model Product Manual PDF - Page 18
Performance characteristics - ultra320 scsi
UPC - 740617074543
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8 Cheetah 10K.6 SCSI Product Manual, Rev. D 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 ST3146807 146.8 8 368 18,350 49,855 64,000 570 475-841 10,008 2.99 ST373307 73.4 4 368 18,350 49,855 64,000 570 475-841 10,008 2.99 ST336607 36.7 2 368 18,350 49,855 64,000 570 475-841 10,008 2.99 GByte (formatted, rounded off values) Kbytes (average, rounded off values) Mbytes (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.6 SCSI family unless otherwise specified. Refer to Section 9.10 and to the SCSI Interface Product Manual for additional timing details. 4.2.1 Access time [5] Including controller overhead (without disconnect) [1] [3] Average-Typical [2] Single Track-Typical [2] Full Stroke-Typical [2] Drive level Read Write msec 4.90 5.50 0.55 0.75 9.20 9.70 Not including controller overhead (without disconnect) [1] [3] Drive level Read Write msec 4.70 5.30 0.35 0.55 9.00 9.50 4.2.2 Format command execution time (minutes) [1] Maximum (with verify) Maximum (no verify) ST3146807 180 90 ST373307 90 45 ST336607 45 30 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]* Maximum [3] 43 MBytes/sec 78 MBytes/sec SCSI interface data transfer rate (asynchronous): Maximum instantaneous one byte wide Maximum instantaneous two bytes wide Synchronous transfer rate In low voltage differential (LVD) interface mode 5.0 Mbytes/sec [4] 10.0 Mbytes/sec [4] Ultra320 SCSI 5.0 to 320 Mbytes/sec