Seagate ST9900805SS Savvio 10K.1 SCSI Product Manual - Page 17

Performance characteristic

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4.0 Performance characteristic 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 ST973401 73.4 4 360,000 18,387 51,052 105 660 506-753 10,009 3.00 ST936701 36.7 2 360,000 18,387 51,052 105 660 506-753 10,009 3.00 GBytes (formatted, rounded off values) Kbytes (average, rounded off values) Mbytes (formatted, rounded off values) Tracks (user accessible) KTPI KBPI Mbits/sec (variable with zone) revolutions/min (RPM) msec 4.2 SCSI performance characteristics (visible to user) The values given in Section 4.2.1 apply to all models of the Savvio SCSI family unless otherwise specified. Refer to Section 9.9 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 4.70 5.10 0.65 0.95 8.70 9.10 Not including controller overhead (without disconnect) [1] [3] Drive level Read Write msec 4.50 4.90 0.45 0.75 8.50 8.90 4.2.2 Format command execution time (minutes) [1] Maximum (with verify) Maximum (no verify) ST973401 52 26 ST936701 26 13 Savvio SCSI Product Manual, Rev. D 11

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Savvio SCSI Product Manual, Rev. D
11
4.0
Performance characteristic
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 Savvio SCSI family unless otherwise specified.
Refer to Section 9.9 and to the
SCSI Interface Product Manual
for additional timing details.
4.2.1
Access time [5]
4.2.2
Format command execution time (minutes)
[1]
ST973401
ST936701
Drive capacity
73.4
36.7
GBytes (formatted, rounded off values)
Read/write heads
4
2
Bytes/track
360,000
360,000
Kbytes (average, rounded off values)
Bytes/surface
18,387
18,387
Mbytes (formatted, rounded off values)
Tracks/surface (total)
51,052
51,052
Tracks (user accessible)
Tracks/inch
105
105
KTPI
Peak bits/inch
660
660
KBPI
Internal data rate
506-753
506-753
Mbits/sec (variable with zone)
Disc rotational speed
10,009
10,009
revolutions/min (RPM)
Average rotational latency
3.00
3.00
msec
Including controller overhead
(without disconnect) [1] [3]
Not including controller overhead
(without disconnect) [1] [3]
Drive level
Drive level
Read
Write
Read
Write
msec
msec
Average—Typical [2]
4.70
5.10
4.50
4.90
Single Track—Typical [2]
0.65
0.95
0.45
0.75
Full Stroke—Typical [2]
8.70
9.10
8.50
8.90
ST973401
ST936701
Maximum (with verify)
52
26
Maximum (no verify)
26
13