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Product Manual
®
Barracuda XT
ST32000641AS
ST33000651AS
100586689
Rev. D
September 2010
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Revision History Revision Date Description of changes 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. Rev. D 09/10/2010 Added 3000GB (3TB) model and corresponding specifications throughout. Copyright © 2010 Seagate Technology LLC. All rights reserved. Seagate, Seagate Technology and the Wave logo are registered trademarks of
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Contents Seagate Technology Support Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 1.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1.1 About the Serial ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.0 Drive Specifications . . . . . . . . . . . . . . . . . . . . . . .
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Barracuda XT SATA Product Manual, Rev. D
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Figures Figure 1 5V current profile (3000GB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Figure 2 12V current profile (3000GB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Figure 3 5V current profile (2000GB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Figure 4 12V current profile (2000GB) . . . . . . . . . . . . . . . . . .
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Barracuda XT SATA Product Manual, Rev. D
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Seagate Technology Support Services For information regarding online support and services, visit http://www.seagate.com/www/en-us/about/ contact_us/ Available services include: • Presales & Technical support • Global Support Services telephone numbers & business hours • Authorized Service Centers For information regarding Warranty Support, visit http://www.seagate.com/www/en-us/support/warranty_&_returns_assistance For information regarding data recovery services, visit http://www.i365.com For
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8 Barracuda XT SATA Product Manual, Rev. D
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1.0 Introduction This manual describes the functional, mechanical and interface specifications for the following Seagate ® Barracuda XT model drives: ST33000651AS 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
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Drive Specifications www.seagate.com 2.0 Drive Specifications Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For convenience, the phrases the drive and this drive are used throughout this manual to indicate the following drive models: ST33000651AS ST32000641AS The specification summaries listed in the following tables are for quick reference. For details on specification measurement or definition, see the appropriate section of t
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www.seagate.com Drive Specifications Table 1 Drive specifications summary for 3000GB and 2000GB models (continued) Drive specification ST33000651AS ST32000641AS Altitude, operating –60.96m to 3,048m –60.96m to 3,048m (–200 ft to 10,000+ ft) (–200 ft to 10,000+ ft) Altitude, nonoperating –60.96m to 12,192m –60.96m to 12,192m (below mean sea level, max) (–200 ft to 40,000+ ft) (–200 ft to 40,000+ ft) Operational Shock (max) 63 Gs at 2ms 63 Gs at 2ms Non-Operational Shock (max) 300 Gs at 2ms 3
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Drive Specifications www.seagate.com 2.3 Recording and interface technology ST33000651AS ST32000641AS Interface SATA SATA Recording method Perpendicular Perpendicular Recording density (kbits/inch max) 1941kb/in 1721kb/in Track density (ktracks/inch avg) 277 ktracks/in 240 ktracks/in 2 2 2 Areal density (Gbits/inch avg) 488Gb/in 347Gb/in Spindle speed (RPM) 7200 + 0.2% 7200 + 0.2% Internal data transfer rate 1900Mb/s 1300Mb/s (Mb/s max) Sustained data transfer rate 149MB/s 138MB/s (MB/s max)
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www.seagate.com Drive Specifications case power consumption, using only random seeks with read or write latency time. This mode is not typical and is provided for worst-case information. • Read/write power and current Read/write power is measured with the heads on track, based on a 16-sector write followed by a 32-ms delay, then a 16-sector read followed by a 32-ms delay. • Operating power and current Operating power is measured using 40 percent random seeks, 40 percent read/write mode (1 wri
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Drive Specifications www.seagate.com 2.6.0.1 Typical 5V startup and operation current profiles (3000GB) Figure 1 5V current profile (3000GB) 2.6.0.2 Typical 12V startup and operation current profiles (3000GB) Figure 2 12V current profile (3000GB) 14 Barracuda XT SATA Product Manual, Rev. D
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www.seagate.com Drive Specifications 2.6.0.3 Typical 5V startup and current profiles (2000GB) Figure 3 5V current profile (2000GB) 2.6.0.4 Typical 12V startup and current profiles (2000GB) Figure 4 12V current profile (2000GB) Barracuda XT SATA Product Manual, Rev. D 15
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Drive Specifications www.seagate.com 2.6.1 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
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www.seagate.com Drive Specifications 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),
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Drive Specifications www.seagate.com 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
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www.seagate.com Drive Specifications 2.8.1 Test for Prominent Discrete Tones (PDTs) Seagate follows the ECMA-74 standards for measurement and identification of PDTs. An exception to this process is the use of the absolute threshold of hearing. Seagate uses this threshold curve (originated in ISO 389- 7) to discern tone audibility and to compensate for the inaudible components of sound prior to computation of tone ratios according to Annex D of the ECMA-74 standards. 2.9 Electromagnetic immunit
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Drive Specifications www.seagate.com 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
