Seagate CHEETAH 36LP, CHEETAH X15, CHEETAH 18XL, CHEETAH 73HH, BARRACUDA 18XL User Manual

Industry-leading performance for the most demanding

applications, Internet servers, workstations, network

file servers and Enterprise servers

> New 15K RPM Cheetah X15 provides leadership

in IOPS performance

> 4th generation 10K RPM Cheetah and

6th generation 7.2K Barracuda provide

design maturity and reliability

> Cache ranging from the high performance

16 Mbyte to the economical 2 Mbyte

> Average seek times as fast as 3.9 msec

> Ultra160 SCSI and single-ended Ultra SCSI

(8 or 16 bit)

> 2Gbit/sec Fibre Channel supports up to

400 Mbytes/s in dual loop

HIGH PERFORMANCE STORAGE

ULTRA, ULTRA160 SCSI

1Gb & 2Gb FIBRE CHANNEL

www.seagate.com

CHEETAH X15 IOPS: REDEFINING THE STANDARDS OF PERFORMANCE

ENTERPRISE STORAGE

CHEETAH X15 15K RPM 18 GBYTES

CHEETAH 10K RPM 9–73 GBYTES

BARRACUDA 7.2K RPM 9–18 GBYTES

15K RPM IOPS

PERFORMANCE CLASS

MAINSTREAM 10K RPM PERFORMANCE

CAPACITY AND INTERFACE

Formatted Gbytes (512 bytes/sector)

Interface

PERFORMANCE

Transfer Rate

Internal, ZBR (Mbits/sec)

Internal Formatted (MBytes/sec)

External (MBytes/sec)

Ultra2/Ultra160 SCSI/FC (per loop)

Cache, Multisegmented (KBytes)

Seek Time

Average Read/Write (msec)

Track-to-Track Read/Write (msec)

Latency, Average (msec)

Spindle Speed (RPM)

CONFIGURATION/ORGANIZATION

Discs/Heads

Sectors per Drive (512 bytes/sector)

Cylinders

Recording Method (PRML)

RELIABILITY/DATA INTEGRITY

S.M.A.R.T. Capable & SeaTools Enabled

Error Rate

Recoverable, per Bits Read

Nonrecoverable, per Sectors Read

Seek Errors, per seek

POWER REQUIREMENTS

+12/+5 VDC ± 5% (amps)

Power, Idle (watts) SCSI [FC]

ENVIRONMENTAL

Acoustics, Idle (Bels)

Temperature (°C) Operating/Nonoperating

Shock (Gs) Operating (11ms)/Nonop (2ms)

Vibration (Gs) Operating/Nonop (<400 Hz)

PHYSICAL

Height (in/mm)

Width (in/mm)

Depth (in/mm)

Weight (lb/kg)

Capacity calculated with typical sparing. Sparing is user-optional. * dual port ** The 2 Gbit/sec Fibre Channel is capable of arbitrating down to 1 Gbit/sec.

Noise Predictive Viterbi

ST39216N/W

ST39236LW/LC

ST39236LWV/LCV

ST318416N/W

ST318436LW/LC

ST318436LWV/LCV

Barracuda 18XL

ST318404LW/LC

ST318304FC

ST318304FCV

ST39204LW/LC

Cheetah 18XL Cheetah 36LPBarracuda 18XL Cheetah 18XL

9.2

Ultra SCSI (8,16 bit)

Ultra160 SCSI

183 to 316

17.2 to 29.6

20/40/160

2,048/V= 4,096

5.9/6.4

0.6/0.8

4.17

7.2K

2/3

17,942,584

14,384

EPRML

Yes

10 per 10

1 per 10

10 per 10

0.6

6.5

3.4

5 to 55/–40 to 70

15/250

0.83/2.5

1.0/25.4

4.0/101.6

5.75/146.1

1.5/0.68

18.4

Ultra SCSI (8,16 bit)

Ultra160 SCSI

183 to 316

17.2 to 29.6

20/40/160

2,048/V= 4,096

5.9/6.4

0.6/0.8

4.17

7.2K

3/6

35,885,168

14,384

EPRML

Yes

10 per 10

1 per 10

10 per 10

0.6

6.8

3.4

5 to 55/–40 to 70

15/250

0.83/2.5

1.0/25.4

4.0/101.6

5.75/146.1

1.5/0.68

9.2

Ultra160 SCSI

284 to 424

26.6 to 40.5

160

4,096

5.2/6.0

0.6/0.8

2.99

10K

2/3

17,921,835

14,384

NPV

Yes

10 per 10

1 per 10

10 per 10

0.47/0.83

3.8

5 to 55/–40 to 70

15/250

0.83/2.5

1.0/26

4.0/101.98

5.78/146.7

1.50/0.68

18.4

Ultra160 SCSI

284 to 424

26.6 to 40.5

160

4,096

5.2/6.0

0.6/0.8

2.99

10K

3/6

35,843,670

14,384

NPV

Yes

10 per 10

1 per 10

10 per 10

0.57/0.83

3.8

5 to 55/–40 to 70

15/250

0.83/2.5

1.0/26

4.0/101.98

5.78/146.7

1.50/0.68

18.4

2Gb/s FC (dp*)**

280 to 427

26.7 to 40.2

200

4,096/V= 16,384

5.2/6.0

0.6/0.9

2.99

10K

3/6

35,843,652

14,100

NPV

Yes

10 per 10

1 per 10

10 per 10

0.73/0.85

[12.5]

3.9

5 to 55/–40 to 70

15/200

0.5/2

1.0/25.4

4.0/101.6

5.75/146

1.3/0.59

ST173404LW/LC/FC

ST173404LWV/LCV/FCV

ST318451LW/LC/FC

ST318451LWV/LCV/FCV

ST336704LW/LC/FC

ST336704LWV/LCV/FCV

Cheetah 73HH Cheetah X15

Enterprise Additional

Enhancements

Cheetah 36LP

36.7

Ultra160 SCSI

2Gb/s FC (dp*)**

280 to 427

26.7 to 40.2

160/200

4,096/V= 16,384

5.2/6.0

0.6/0.9

2.99

10K

6/12

71,687,305

14,100

NPV

Yes

10 per 10

1 per 10

10 per 10

0.73/0.85

11 [12.5]

3.9

5 to 55/–40 to 70

15/200

0.5/2

1.0/25.4

4.0/101.6

5.75/146

1.3/0.59

73.4

Ultra160 SCSI

2Gb/s FC (dp*)**

280 to 427

26.7 to 40.2

160/200

4,096/V= 16,384

5.6/6.2

0.6/0.9

2.99

10K

12/24

143,374,805

14,100

NPV

Yes

10 per 10

1 per 10

10 per 10

1.2/0.85

15.7 [16.5]

4.2

5 to 55/–40 to 70

15/180

0.5/2

1.6/40.64

4.0/101.6

5.75/146

2.0/0.907

18.4

Ultra160 SCSI

2Gb/s FC (dp*)**

395 to 508

38.0 to 48.9

160/200

4,096/V= 16,384

3.9/4.5

0.5/0.7

2.0

15K

5/10

35,843,670

10,377

NPV

Yes

10 per 10

1 per 10

10 per 10

0.73/0.85

11 [12.5]

4.0

5 to 55/–40 to 70

15/250

0.5/2

1.0/25.4

4.0/101.6

5.75/146

1.6/0.73

© 2000 Seagate Technology, Inc. All rights reserved. Printed in USA. Seagate, Seagate Technology, the Seagate logo, Barracuda, the Barracuda logo, Cheetah and the Cheetah logo are registered trademarks of Seagate Technology, Inc.

Other product names are registered trademarks or trademarks of their owners. Seagate reserves the right to change, without notice, product offerings or specifications. (CS1411) Pub. No. 1520A-001 6/00

CORPORATE HEADQUARTERS Seagate Technology 920 Disc Drive, Scotts Valley, California, 95066, USA 831-438-6550

ASIA/PACIFIC Seagate Technology International Ltd. 151 Lorong Chuan, New Tech Park #06-01, SINGAPORE 556741, 65-488-7200

EUROPE AND AFRICA Seagate Technology Seagate House, Globe Park, Fieldhouse Lane, Marlow, Bucks SL7 1LW, UK +44 1628 890 366

Broadest Product Line

The Fastest Interfaces

SAMS

Headerless Format Efficiency

Fairness

V = Extra Cache

SAMS

RACE Motor

Optimized for Reliability

3D Diagnostic Defense

3D Data Defense

JIT Seeks

RACE Motor

Sound Barrier Technology

Temperature Sensor

SeaShell

G-Force Protection

7.2K RPM VALUE CLASS

> New 15K RPM Cheetah X15 provides leadership in IOPS performance

> 4th generation 10K RPM Cheetah and 6th generation 7.2K Barracuda provide

design maturity and reliability

> Cache ranging from the high performance 16 Mbyte to the economical 2 Mbyte

> Average seek times as fast as 3.9 msec

> Ultra160 SCSI and single-ended Ultra SCSI (8 or 16 bit)

> 2Gbit/sec Fibre Channel supports up to 400 Mbytes/s in dual loop

These drives have also successfully completed compatibility testing with SCO Unix 5.04, SCO UnixWare 7.0/7.01 and Linux Red Hat 6.0/6.1.