CHEETAH
FORMATTED CAPACITIES OF 9.1 TO 73.4 GBYTES
www.seagate.com
SCSI & FIBRE CHANNEL
ULTRA2 SCSI, ULTRA160
INDUSTRY-LEADING PERFORMANCE FOR THE MOST DEMANDING
APPLICATIONS, WORKSTATIONS, NETWORK FILE SERVERS AND
ENTERPRISE SERVERS
> THIRD AND FOURTH GENERATION CHEETAH PERFORMANCE
PRODUCES MATURITY IN DESIGN FOR RELIABLE PERFORMANCE
> 10,000 RPM
RPM
10,000
> CACHE RANGING FROM 1MB TO 16MB
> FORMATTED DATA RATE OF 18.3 TO 40.5 MBYTES/SEC AND
AVERAGE SEEK TIMES AS FAST AS 5.2 MSEC
> SUPPORTS ULTRA2 SCSI, ULTRA160 SCSI AND UP TO
200 MBYTES/SEC PER LOOP IN THE NEW 2 GBIT/SEC
FIBRE CHANNEL
>THIRD AND FOURTH GENERATION CHEETAH PERFORMANCE PRODUCES MATURITY
IN DESIGN FOR RELIABLE PERFORMANCE
>10,000 RPM
>CACHE RANGING FROM 1MB TO 16MB
>FORMATTED DATA RATE OF 18.3 TO 40.5 MBYTES/SEC AND AVERAGE SEEK TIMES AS FAST AS 5.2 MSEC
>SUPPORTS ULTRA2 SCSI, ULTRA160 SCSI AND UP TO 200 MBYTES/SEC PER LOOP
IN THE NEW 2 GBIT/SEC FIBRE CHANNEL
3.5
INCH DISCDRIVE
Cheetah 18LP
ST39103LW/LC/FC
ST39103LWV/LCV/FCV
ST39133LWV/LCV
ST318203LW/LC/FC
ST318203LWV/LCV/FCV
ST318233LWV/LCV
Cheetah 36
ST136403LW/LC/FC
ST136403LWV/LCV/FCV
CAPACITY AND INTERFACE
Formatted Gbytes (512 bytes/sector)
Interface
9.10/18.20
Ultra2 SCSI
36.4
Ultra2 SCSI
Ultra160 SCSI
Fibre Channel (dual port)
Fibre Channel (dual port)
PERFORMANCE
Internal Transfer Rate, ZBR (Mbits/sec)
Internal Formatted Transfer Rate (Mbytes/sec)
External Transfer Rate (Mbytes/sec)
Ultra2 SCSI/Ultra160 SCSI/FC (per loop)
Multisegmented Cache (Kbytes)
Ultra2 SCSI/Ultra160 SCSI/FC
Multisegmented Extended Cache (Kbytes)
Ultra2 SCSI/Ultra160 SCSI/FC
Track-to-Track Seek, Read/Write (msec)
Average Seek, Read/Write (msec)
Average Latency (msec)
Spindle Speed (RPM)
193 to 308
18.3 to 28.0
80/100
1,024
4,096
0.6/0.9
5.2/6.0
2.99
10,000
193 to 308
18.3 to 28.0
80/100
1,024
4,096
0.6/0.9
5.7/6.5
2.99
10,000
CONFIGURATION/ORGANIZATION
Discs/Heads
Servo
Sectors per Drive (512 bytes/sector)
Cylinders
Recording Method (PRML)
3/6, 6/12
Embedded
17,783,438/35,566,480
9,772
16/17 PR4
12/24
Embedded
71,132,960
9,772
16/17 PR4
RELIABILITY/DATAINTEGRITY
S.M.A.R.T. Capable
Recoverable Read Errors per Bits Read
Nonrecoverable Read Errors per Bits Read
Seek Errors (per seek)
Yes
10 per 10
1 per 10
10 per 10
12
15
8
Yes
10 per 10
1 per 10
10 per 10
12
15
8
POWER REQUIREMENTS
+12 VDC ±5% (amps, typ operating)
Ultra2 SCSI/Ultra160 SCSI [FC]
+5 VDC ±5% (amps, typ operating)
Ultra2 SCSI/Ultra160 SCSI [FC]
Power (Idle watts)
Ultra2 SCSI/Ultra160 SCSI [FC]
0.73
0.85
11.0 [13.0]
1.2
0.85
15.7 [17.0]
ENVIRONMENTAL
Idle Acoustics (Bels)
Operating Temperature (°C)
Nonoperating Temperature (°C)
Shock (Gs) Operating/Nonoperating
Vibration (Gs)Operating (<400 Hz)
Vibration (Gs)Nonoperating (<400 Hz)
4.3
5 to 50
–40 to 70
5/200
0.5
2.0
4.7
5 to 50
–40 to 70
5/175
0.5
2.0
PHYSICAL
Height (in/mm)
Width (in/mm)
Depth (in/mm)
Weight (lb/kg)
Capacity calculated with typical sparing. Sparing is user-optional. * The 2 Gbit/sec Fibre Channel is capable of arbitrating down to 1 Gbit/sec.
** Noise Predictive Viterbi
1.0/25.4
4.0/101.6
5.75/146.1
1.3/0.6
1.6/40.64
4.0/101.6
5.75/146.0
2.0/0.907
ST39204LW/LC
NEW
9.2
Ultra160 SCSI
284 to 424
26.6 to 40.5
160
4,096
NA
0.6/0.8
5.2/6.0
2.99
10,000
2/3
Embedded
17,921,835
14,384
NPV**
Yes
12
10 per 10
15
1 per 10
8
10 per 10
0.47
0.83
8
3.8
5 to 55
–40 to 70
15/250
0.75
2.0
1.0/25.4
4.0/101.6
5.75/146.1
1.5/0.68
ST318404LW/LC
NEW
18.4
Ultra160 SCSI
284 to 424
26.6 to 40.5
160
4,096
NA
0.6/0.8
5.2/6.0
2.99
10,000
3/6
Embedded
35,843,670
14,384
NPV**
Yes
12
10 per 10
15
1 per 10
8
10 per 10
0.57
0.83
9
3.8
5 to 55
–40 to 70
15/250
0.75
2.0
1.0/25.4
4.0/101.6
5.75/146.1
1.5/0.68
Cheetah 36LP Cheetah 73Cheetah 18XL Cheetah 18XL
ST336704LW/LWV
ST336704LC/LCV
NEW
ST336704FC/FCV
36.7
Ultra160 SCSI
2Gb/s FC (dual port)*
280 to 427
26.7 to 40.2
160/200
4,096
16,384
0.6/0.9
5.2/6.0
2.99
10,000
6/12
Embedded
71,685,305
14,100
NPV**
Yes
12
10 per 10
15
1 per 10
8
10 per 10
0.73
0.85
11.0 [12.5]
3.9
5 to 55
–40 to 70
15/200
0.5
2.0
1.0/25.4
4.0/101.6
5.75/146.0
1.3/0.6
ST173404LW/LWV
ST173404LC/LCV
NEW
ST173404FC/FCV
73.4
Ultra160 SCSI
2Gb/s FC (dual port)*
280 to 427
26.7 to 40.2
160/200
4,096
16,384
0.6/0.9
5.6/6.2
2.99
10,000
12/24
Embedded
143,374,805
14,100
NPV**
Yes
12
10 per 10
15
1 per 10
8
10 per 10
1.2
0.85
15.7 [16.5]
4.2
5 to 55
–40 to 70
15/180
0.5
2.0
1.6/40.64
4.0/101.6
5.75/146.0
2.0/0.907
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Seagate, Seagate Technology, the Seagate logo, Cheetah and the Cheetah logo are registered trademarks of Seagate Technology, Inc. All other trademarks or registered
trademarks are the property of their respective owners. Specifications and product offerings subject to change without notice. ©2000 Seagate Technology, Inc.
All rights reserved. Printed in USA. (CS1107) Pub. No. 1507A-006 2/00 Printed on recycled paper.
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