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Product Manual
Barracuda ES Serial ATA
ST3750640NS ST3750840NS
ST3500630NS ST3500830NS
ST3400620NS ST3400820NS
ST3250620NS ST3250820NS
ST3320620NS ST3320820NS
100424667
Rev. D
September 2007
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Revision history Revision Date Sheets affected or comments Rev. A 06/21/06 Initial release. Rev. B 10/19/06 All. Rev. C 08/09/07 Front cover, 20 & 25. Rev. D 09/06/07 31. Copyright © 2006 - 2007 Seagate Technology LLC. All rights reserved. Printed in USA Publication number: 100424667, Rev. D September 2007 Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC in the United States and/or other countries. Barracuda, SeaTools and SeaTDD are either tradem
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Contents 1.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 About the Serial ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.0 Drive specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1 Specification summary tables . . . . . . . . . . . . . . .
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ii Barracuda ES Serial ATA Product Manual, Rev. D
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List of Figures Figure 1. Typical 5V startup and operation current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 2. Typical 12V startup and operation current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 3. Serial ATA connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 4. Attaching SATA cabling . . . . . . . . . . . . . . . . . . . . . . .
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1.0 Introduction This manual describes the functional, mechanical and interface specifications for the following Seagate ® Barracuda ES Serial ATA model drives: ST3750640NS ST3500630NS ST3400620NS ST3320620NS ST3250620NS ST3750840NS ST3500830NS ST3400820NS ST3320820NS ST3250820NS These drives provide the following key features: • 7,200 RPM spindle speed. • High instantaneous (burst) data-transfer rates (up to 300 Mbytes per second). • Perpendicular recording technology provides the drives with
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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 advantages include: • Easy installation and configuration with true plug-and-play connectivity. It is not necessary to set any jump- ers 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 convenience, the phrases the drive and this drive are used throughout this manual to indicate the following drive models: ST3750640NS ST3500630NS ST3400620NS ST3320620NS ST3250620NS ST3750840NS ST3500830NS ST3400820NS ST3320820NS ST3250820NS 2.1 Specification summary tables The specifications listed in the following tables are for quick reference. For detai
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Table 1: Drive specifications summary for 750 Gbyte models Drive specification ST3750640NS ST3750840NS Formatted Gbytes (512 bytes/sector)* 750 Guaranteed sectors 1,465,149,168 Heads 8 8 Discs 4 4 Bytes per sector 512 Default sectors per track 63 Default read/write heads 16 Default cylinders 16,383 Recording density, KBPI (kbits/in max) 926 Track density, KTPI (ktracks/in avg.) 145 2 Areal density, (Gbits/in avg) 128.2 Spindle speed (RPM) 7,200 Internal data transfer rate (Mbits/sec max) 1,030
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Drive specification ST3750640NS ST3750840NS Vibration, operating 5–22 Hz: 0.25 Gs, Limited displacement 22–350 Hz: 0.50 Gs 350–500 Hz: 0.25 Gs Vibration, nonoperating 5–22 Hz: 0.25 Gs, Limited displacement 22–350 Hz: 5.0 Gs 350–500 Hz: 1.0 Gs Drive acoustics, sound power (bels) Idle** 2.7 (typical) 3.0 (max) Performance seek 3.2 (typical) 3.9 (max) 15 Nonrecoverable read errors 1 sector per 10 bits read Annualized Failure Rate (AFR) 0.73% Warranty 5 years on distribution units.
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Table 2: Drive specifications summary for 500 Gbyte models Drive specification ST3500630NS ST3500830NS Formatted Gbytes (512 bytes/sector)* 500 Guaranteed sectors 976,773,168 Heads 6 Discs 3 Bytes per sector 512 Default sectors per track 63 Default read/write heads 16 Default cylinders 16,383 Recording density, KBPI (kbits/in max) 813 Track density, KTPI (ktracks/in avg.) 145 2 Areal density, (Gbits/in avg) 114.4 Spindle speed (RPM) 7,200 Internal data transfer rate (Mbits/sec max) 1,030 Sustai
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Drive specification ST3500630NS ST3500830NS Vibration, operating 5–22 Hz: 0.25 Gs, Limited displacement 22–350 Hz: 0.50 Gs 350–500 Hz: 0.25 Gs Vibration, nonoperating 5–22 Hz: 0.25 Gs, Limited displacement 22–350 Hz: 5.0 Gs 350–500 Hz: 1.0 Gs Drive acoustics, sound power (bels) Idle** 2.5 (typical) 2.8 (max) Performance seek 3.2 (typical) 3.5 (max) 15 Nonrecoverable read errors 1 sector per 10 bits read Annualized Failure Rate (AFR) 0.73% Warranty 5 years on distribution units.
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Table 3: Drive specifications summary for 400 Gbyte models Drive specification ST3400620NS ST3400820NS Formatted Gbytes (512 bytes/sector)* 400 Guaranteed sectors 781,422,768 Heads 5 Discs 3 Bytes per sector 512 Default sectors per track 63 Default read/write heads 16 Default cylinders 16,383 Recording density, KBPI (kbits/in max) 781 Track density, KTPI (ktracks/in avg.) 145 2 Areal density, (Gbits/in avg) 128.2 Spindle speed (RPM) 7,200 Internal data transfer rate (Mbits/sec max) 1,030 Sustai
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Drive specification ST3400620NS ST3400820NS Vibration, operating 5–22 Hz: 0.25 Gs, Limited displacement 22–350 Hz: 0.50 Gs 350–500 Hz: 0.25 Gs Vibration, nonoperating 5–22 Hz: 0.25 Gs, Limited displacement 22–350 Hz: 5.0 Gs 350–500 Hz: 1.0 Gs Drive acoustics, sound power (bels) Idle** 2.5 (typical) 2.8 (max) Performance seek 3.2 (typical) 3.5 (max) 15 Nonrecoverable read errors 1 sector per 10 bits read Annualized Failure Rate (AFR) 0.73% Warranty 5 years on distribution units.
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Table 4: Drive specifications summary for 320 Gbyte models Drive specification ST3320620NS ST3320820NS Formatted Gbytes (512 bytes/sector)* 320 Guaranteed sectors 625,142,448 Heads 4 Discs 2 Bytes per sector 512 Default sectors per track 63 Default read/write heads 16 Default cylinders 16,383 Recording density, KBPI (kbits/in max) 781 Track density, KTPI (ktracks/in avg.) 145 2 Areal density, (Gbits/in avg) 114.4 Spindle speed (RPM) 7,200 Internal data transfer rate (Mbits/sec max) 1,030 Sustai
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Drive specification ST3320620NS ST3320820NS Vibration, operating 5–22 Hz: 0.25 Gs, Limited displacement 22–350 Hz: 0.50 Gs 350–500 Hz: 0.25 Gs Vibration, nonoperating 5–22 Hz: 0.25 Gs, Limited displacement 22–350 Hz: 5.0 Gs 350–500 Hz: 1.0 Gs Drive acoustics, sound power (bels) Idle** 2.5 (typical) 2.8 (max) Performance seek 3.2 (typical) 3.5 (max) 15 Nonrecoverable read errors 1 sector per 10 bits read Annualized Failure Rate (AFR) 0.73% Warranty 5 years on distribution units.
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Table 5: Drive specifications summary for 250 Gbyte models Drive specification ST3250620NS ST3250820NS Formatted Gbytes (512 bytes/sector)* 250 Guaranteed sectors 488,397,168 Heads 3 Discs 2 Bytes per sector 512 Default sectors per track 63 Default read/write heads 16 Default cylinders 16,383 Recording density, KBPI (kbits/in max) 813 Track density, KTPI (ktracks/in avg.) 145 2 Areal density, (Gbits/in avg) 114.4 Spindle speed (RPM) 7,200 Internal data transfer rate (Mbits/sec max) 1,030 Sustai
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Drive specification ST3250620NS ST3250820NS Vibration, operating 5–22 Hz: 0.25 Gs, Limited displacement 22–350 Hz: 0.50 Gs 350–500 Hz: 0.25 Gs Vibration, nonoperating 5–22 Hz: 0.25 Gs, Limited displacement 22–350 Hz: 5.0 Gs 350–500 Hz: 1.0 Gs Drive acoustics, sound power (bels) Idle** 2.5 (typical) 2.8 (max) Performance seek 3.2 (typical) 3.5 (max) 15 Nonrecoverable read errors 1 sector per 10 bits read Annualized Failure Rate (AFR) 0.73% Warranty 5 years on distribution units.
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2.2 Formatted capacity Formatted Guaranteed Model capacity* sectors Bytes per sector ST3750640NS 750 Gbytes 1,465,149,168 512 ST3750840NS 750 Gbytes 1,465,149,168 512 ST3500630NS 500 Gbytes 976,773,168 512 ST3500830NS 500 Gbytes 976,773,168 512 ST3400620NS 400 Gbytes 781,422,768 512 ST3400820NS 400 Gbytes 781,422,768 512 ST3320620NS 320 Gbytes 625,142,448 512 ST3320820NS 320 Gbytes 625,142,448 512 ST3250620NS 250 Gbytes 488,397,168 512 ST3250820NS 250 Gbytes 488,397,168 512 *One Gbyte equal
