Seagate ST19171WC Product Manual - Page 19
Performance characteristics
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Barracuda 9 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 Bits/inch, minimum Bits/inch, maximum Internal data rate Disc rotational speed Average rotational latency ST19171 11.7 Gbyte (unformatted) [1] 20 102,000 Bytes (average, unformatted) [1] 585 Mbytes (unformatted) 5,274 Tracks (user accessible) 5,555 TPI 91,500 BPI 124,500 BPI 80-124 Mbits/sec (variable with zone) 7,200 ± 0.5% r/min 4.17 msec [1] Rounded off values 4.2 SCSI seek performance characteristics (visible to user) The values given in Section 4.2.1 apply to all Barracuda 9 models unless otherwise specified. Refer to Section 9.10 and to the SCSI Interface Product Manual (part number 77738479) for additional timing details. 4.2.1 Access time [7] Average Single track Full stroke Typical [2] Typical [2] Typical [2] Including controller overhead (without disconnect) [2] [3] Drive level Read Write msec 9.7 10.7 0.8 1.4 19.2 20.2 4.2.2 Format command execution time Maximum (with verify) Maximum (no verify)