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Specifications 9.1 GB 18.3 GB 36.7 GB
Form Factor 3.5" 3.5" 3.5"
Interface
1
/Connectors Ultra160, Ultra2, Ultra SCSI/68-pin Wide, 80-pin SCA-2
Formatted Capacity (MB
2
) 9,100 18,300 36,700
Disk Drive Configuration
Disks 1 2 4
Head/Recording Surfaces 2 4 8
Bytes per Sector 512 512 512
Maximum Areal Density (Gb/sq. in.) 6.8 6.8 6.8
Encoding/Detection Method 24/25 RLL PRML 24/25 RLL PRML 24/25 RLL PRML
Performance Specifications
Typical Seek Times
3
(ms)
Average 6.3
Track-to-Track 0.8
Full Stroke 15.0
Average Rotational Latency (ms) 4.17
Rotational Speed (RPM) 7,200
Internal Data Rate (Mb/sec) 194 to 340
Sustained Throughput (MB/sec) 17 to 29
Data Transfer Rates -burst (Buffer-to-Host) (MB/sec)
Ultra160 SCSI 160
Ultra2 SCSI 80
Ultra SCSI 40
Buffer Size (MB) 4
Reliability Specifications
Data Errors (per bits read)
Recoverable 10 per 10
11
Nonrecoverable 1 per 10
14
Error-Correction Method 352-bit Reed Solomon
Warranty
4
(years) 5
Physical Specifications 9.1 GB 18.3 GB 36.7 GB
Dimensions—inches (mm)
Width 4.00 (101.6) 4.00 (101.6) 4.00 (101.6)
Length 5.75 (146.1) 5.75 (146.1) 5.75 (146.1)
Height 1.00 (25.4) 1.00 (25.4) 1.00 (25.4)
Weight—pounds (kg) 1.3 (0.58) 1.3 (0.6) 1.4 (0.63)
Environmental Limits
Operating
Temperature (˚C) 5 to 55 5 to 55 5 to 55
Non-Condensing Humidity (%) 10 to 90 10 to 90 10 to 90
Vibration (G, 5 to 500 Hz) 1.0 1.0 1.0
Sound Power (Bels, Idle) 3.2 3.3 3.5
Non-Operating
Temperature (˚C) -40 to 65 -40 to 65 -40 to 65
Non-Condensing Humidity (%) 5 to 95 5 to 95 5 to 95
Shock (G, 2 ms, 1/2 sine) 300 300 280
Vibration (G, 5 to 500 Hz) 2.0 2.0 2.0
Power Specifications
Voltage Requirements (V) +5V DC±5% +12V DC ±10%
Typical Power Draw (W)
Idle 7.5 8.7 9.9
Typical Current Draw (A, Read/Write)
5V 0.3 0.4 0.5
12V 0.79 0.79 0.79
Peak Start-up Current
(A on +5V/+12 V) 0.65/2.2 0.65/2.2 0.65/2.2
Specifications subject to change without notice.
©1999 Quantum Corporation. All rights reserved. Quantum and the Quantum logo
are trademarks of Quantum Corporation, registered in the U.S.A. and other countries.
Atlas is a trademark of Quantum Corporation. Products mentioned herein are
for identification purposes only and may be registered trademarks or trademarks
of their respective companies.
Printed in the U.S.A. 60K HGD/ELIPSIS AVDS1299
For more information about Quantum’s quality products,
call toll free: 1.800.624.5545 in the U.S.A. and Canada,
or visit our worldwide web site: http://www.quantum.com
Quantum Corporation
500 McCarthy Boulevard
Milpitas, California 95035
U.S.A.
1.800.624.5545
Quantum Peripheral Products S.A.
ICC Building D
20 Route de Pre-Bois
1215 Geneva
Switzerland
41.22.929.7600
Quantum Asia-Pacific Pte. Ltd.
9 Temasek Boulevard
#24-01/Suntec City Tower 2
Singapore 038989
65.334.0880
Quantum Peripherals Japan
Shinjuku Square Tower 4F
6-22-1 Nishi-Shinjuku
Shinjuku-ku, Tokyo, 163-11
Japan
81.3.5321.7900
1. SPI-3 compliant. 2. Quantum defines a megabyte (MB) as 10
6
or 1,000,000 bytes. 3. Seek times are at nominal conditions and include settling. 4. This warranty is standard when
products are purchased directly through authorized Quantum distributors/dealers. End-user warranties provided by computer manufacturers may vary.
Atlas V datasheet II 12/20/99 3:30 PM Page 2