Seagate ST3300557SS Cheetah 15K.5 SCSI Product Manual - Page 16
Performance characteristics
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5.0 Performance characteristics 5.1 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 ST3300655LW ST3300655LC 300.0 8 74,340 125,000 890k 110 960 to 1607 15k 2.0 ST3146855LW ST3146855LC 146.8 4 74,340 125,000 890k 110 960 to 1607 15k 2.0 ST373455LW ST373455LC 73.4 2 74,340 125,000 890k 110 960 to 1607 15k 2.0 GBytes (formatted)*,** Tracks (user accessible) TPI BPI Gbits/inch2 Mbits/sec (variable with zone) rpm msec * 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. 5.2 SCSI performance characteristics (visible to user) The values given in Section 5.2.1 apply to all models of the Cheetah 15K.5 SCSI family unless otherwise specified. Refer to the Parallel SCSI Interface Manual for additional timing details. 10 Cheetah 15K.5 SCSI Product Manual, Rev. J