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Product Manual
Barracuda XT Series SATA
ST32000641AS
100586689
Rev. C
January 2010
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Revision history Revision Date Sheets affected or comments Rev. A 09/15/2009 Initial release. Rev. B 11/20/2009 Updated drive specifications on Tables 1-3; added “Warranty” specific section. Made minor text edits throughout. Rev. C 01/08/2010 Corrected publication part number. Copyright © 2008-2010 Seagate Technology LLC. All rights reserved. Printed in U.S.A. Publication number: 100586689, Rev. C January 2010 Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate
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Contents 1.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 About the Serial ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.0 Drive specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1 Formatted capacity . . . . . . . . . . . . . . . . . . . .
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ii Barracuda XT Series SATA Product Manual, Rev. C
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List of Figures Figure 1. Attaching SATA cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 2. Mounting dimensions (2000GB model). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Barracuda XT Series SATA Product Manual, Rev. C iii
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iv Barracuda XT Series SATA Product Manual, Rev. C
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1.0 Introduction This manual describes the functional, mechanical and interface specifications for the following Seagate ® Barracuda XT model drives: ST32000641AS These drives provide the following key features: • The SATA 6Gb/s interface enables the use of the industry’s newest and fastest hard drive controllers while providing backward compatibility to legacy SATA 1.5Gb/s or 3Gb/s systems. • 7,200 RPM spindle speed. • High instantaneous (burst) data-transfer rates (up to 600MB per second).
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1.1 About the Serial ATA interface The Serial ATA interface provides several advantages over the traditional (parallel) ATA interface. The primary advan- tages include: • Easy installation and configuration with true plug-and-play connectivity. It is not necessary to set any jumpers or other configuration options. • Thinner and more flexible cabling for improved enclosure airflow and ease of installation. • Scalability to higher performance levels. In addition, Serial ATA makes the transition f
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2.0 Drive specifications Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For con- venience, the phrases the drive and this drive are used throughout this manual to indicate the following drive models: ST32000641AS The specification summaries listed in the following tables are for quick reference. For details on specification measure- ment or definition, see the appropriate section of this manual. Table 1: Drive specifications summary
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Drive specification ST32000641AS Voltage tolerance (including noise) 5V + 5% 12V + 10% Operating temperature 0° to 60°C (Drive Case temperature) Nonoperating temperature (Ambient) –40° to 70°C Temperature gradient (max) 20°C per hour max (operating) 30°C per hour max (nonoperating) Relative humidity 5% to 95% (operating) 5% to 95% (nonoperating) Relative humidity gradient (max) 30% per hour Wet bulb temperature (max) 37.7°C max (operating) 40.0°C max (nonoperating) Altitude, operating –60
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2.1 Formatted capacity Formatted Guaranteed Model capacity* sectors Bytes per sector ST32000641AS 2000GB 3,907,029,168 512 *One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting. 2.1.1 LBA mode When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1, where n is the number of guaranteed sectors as defined above. See Section 4.3.1, "Identify Device
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2.4 Physical characteristics ST32000641AS Maximum height 26.1mm / 1.028 in Maximum width 101.85mm / 4.010 in Maximum length 146.99mm / 5.787 in Typical weight 700g / 1.543 lb Cache buffer 64MB (64,768kb) 2.5 Start/stop times 2000GB model Power-on to ready (s) max. 15.0 Standby to ready (s) max. 15.0 Ready to spindle stop (s) max. 20.0 6 Barracuda XT Series SATA Product Manual, Rev. C
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2.6 Power specifications The drive receives DC power (+5V or +12V) through a native SATA power connector. See Figure 1 on page 17. 2.6.1 Power consumption Power requirements for the drives are listed in the table on page 9. Typical power measurements are based on an aver- age of drives tested, under nominal conditions, using 5.0V and 12.0V input voltage at 25°C ambient temperature. • Spinup power Spinup power is measured from the time of power-on to the time that the drive spindle reaches operat
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2.6.1.1 Typical current profiles Note. Typical 5V startup and operation current profile Note. Typical 12V startup and operation current profile 8 Barracuda XT Series SATA Product Manual, Rev. C
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2.6.2 Conducted noise Input noise ripple is measured at the host system power supply across an equivalent 80-ohm resistive load on the +12V line or an equivalent 15-ohm resistive load on the +5V line. • Using 12-V power, the drive is expected to operate with a maximum of 120 mV peak-to-peak square-wave injected noise at up to 10MHz. • Using 5-V power, the drive is expected to operate with a maximum of 100 mV peak-to-peak square-wave injected noise at up to 10MHz. Note. Equivalent resistance i
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2.7 Environmental specifications 2.7.1 Ambient temperature Ambient temperature is defined as the temperature of the environment immediately surrounding the drive. Actual drive case temperature should not exceed 69°C (156°F) within the operating ambient conditions. Operating: 0° to 60°C (32° to 140°F) Nonoperating: * –40° to 70°C (–40° to 158°F) * See Section for reliability projections. 2.7.2 Temperature gradient Operating: 20°C per hour (68°F per hour max), without condensation Nonoperating:
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2.7.5 Shock All shock specifications assume that the drive is mounted securely with the input shock applied at the drive mounting screws. Shock may be applied in the X, Y or Z axis. 2.7.5.1 Operating shock These drives comply with the performance levels specified in this document when subjected to a maximum operating shock of 63 Gs based on half-sine shock pulses of 2ms during read operations. Shocks should not be repeated more than two times per second. 2.7.5.2 Nonoperating shock The nonoper
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2.8 Acoustics Drive acoustics are measured as overall A-weighted acoustic sound power levels (no pure tones). All measurements are consistent with ISO document 7779. Sound power measurements are taken under essentially free-field conditions over a reflecting plane. For all tests, the drive is oriented with the cover facing upward. Note. For seek mode tests, the drive is placed in seek mode only. The number of seeks per second is defined by the following equation: (Number of seeks per seco
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2.10 Warranty To determine the warranty for a specific drive, use a web browser to access the following web page: support.seagate.com/customer/warranty_validation.jsp From this page, click on the “Verify Your Warranty” link. You will be asked to provide the drive serial number, model number (or part number) and country of purchase. The system will display the warranty information for your drive. 2.11 Agency certification 2.11.1 Safety certification These products are certified to meet the re
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Korean RRL If these drives have the Korean Communications Commission (KCC) logo, they comply with paragraph 1 of Article 11 of the Electromagnetic Compatibility control Regulation and meet the Electromagnetic Compatibility (EMC) Framework requirements of the Radio Research Laboratory (RRL) Communications Commission, Republic of Korea. These drives have been tested and comply with the Electromagnetic Interference/Electromagnetic Susceptibility (EMI/ EMS) for Class B products. Drives are tested
