Product Manual
Barracuda ES Serial ATA
ST3750640NS |
ST3750840NS |
ST3500630NS |
ST3500830NS |
ST3400620NS |
ST3400820NS |
ST3250620NS |
ST3250820NS |
ST3320620NS |
ST3320820NS |
100424667 Rev. D September 2007
|
|
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 trademarks or registered trademarks of Seagate Technology LLC or one of its affiliated companies in the United States and/or other countries. All other trademarks or registered trademarks are the property of their respective owners.
One gigabyte, or GB, equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting. Seagate reserves the right to change, without notice, product offerings or specifications.
Contents
1.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.1 About the Serial ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.0 Drive specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.1 Specification summary tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.2 Formatted capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2.2.1 LBA mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2.3 Default logical geometry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.4 Recording and interface technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2.5 Physical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2.6 Seek time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2.7 Start/stop times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2.8 Power specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.8.1 Power consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2.8.2 Conducted noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2.8.3 Voltage tolerance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2.8.4 Power-management modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2.9 Environmental specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2.9.1 Ambient temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2.9.2 Temperature gradient. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2.9.3 Humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2.9.4 Altitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2.9.5 Shock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2.9.6 Vibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.10 Acoustics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2.11 Electromagnetic immunity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2.12 Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2.12.1 Annualized Failure Rate (AFR) and Mean Time Between Failures (MTBF) . . . 23 2.13 Agency certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2.13.1 Safety certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2.13.2 Electromagnetic compatibility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2.13.3 FCC verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
2.14 Environmental protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 2.14.1 European Union Restriction of Hazardous Substances (RoHS) Directive . . . . . 25 2.14.2 China Restriction of Hazardous Substances (RoHS) Directive . . . . . . . . . . . . . 25
2.15 Corrosive environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.0 Configuring and mounting the drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3.1 Handling and static-discharge precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 3.2 Configuring the drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 3.3 Serial ATA cables and connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 3.4 Drive mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
4.0 Serial ATA (SATA) interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
4.1 Hot-Plug compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 4.2 Serial ATA device plug connector pin definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 4.3 Supported ATA commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 4.3.1 Identify Device command. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 4.3.2 Set Features command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 4.3.3 S.M.A.R.T. commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
5.0 Seagate Technology support services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Barracuda ES Serial ATA Product Manual, Rev. D |
i |
ii |
Barracuda ES Serial ATA Product Manual, Rev. D |
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 5. Mounting dimensions—top, side and end view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Barracuda ES Serial ATA Product Manual, Rev. D |
iii |
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 increased areal density.
•State-of-the-art cache and on-the-fly error-correction algorithms.
•Native Command Queueing with command ordering to increase performance in demanding applications.
•Full-track multiple-sector transfer capability without local processor intervention.
•Quiet operation.
•SeaTools diagnostic software performs a drive self-test that eliminates unnecessary drive returns.
•Support for S.M.A.R.T. drive monitoring and reporting.
•Supports latching SATA cables and connectors.
Barracuda ES Serial ATA Product Manual, Rev. D |
1 |
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 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 from parallel ATA easy by providing legacy software support. Serial ATA was designed to allow you to install a Serial ATA host adapter and Serial ATA disc drive in your current system and expect all of your existing applications to work as normal.
The Serial ATA interface connects each disc drive in a point-to-point configuration with the Serial ATA host adapter. There is no master/slave relationship with Serial ATA devices like there is with parallel ATA. If two drives are attached on one Serial ATA host adapter, the host operating system views the two devices as if they were both “masters” on two separate ports. This essentially means both drives behave as if they are Device 0 (master) devices.
Note. The host adapter may, optionally, emulate a master/slave environment to host software where two devices on separate Serial ATA ports are represented to host software as a Device 0 (master) and Device 1 (slave) accessed at the same set of host bus addresses. A host adapter that emulates a master/slave environment manages two sets of shadow registers. This is not a typical Serial ATA environment.
The Serial ATA host adapter and drive share the function of emulating parallel ATA device behavior to provide backward compatibility with existing host systems and software. The Command and Control Block registers, PIO and DMA data transfers, resets, and interrupts are all emulated.
The Serial ATA host adapter contains a set of registers that shadow the contents of the traditional device registers, referred to as the Shadow Register Block. All Serial ATA devices behave like Device 0 devices. For additional information about how Serial ATA emulates parallel ATA, refer to the “Serial ATA: High Speed Serialized AT Attachment” specification. The specification can be downloaded from www.serialata.org.
2 |
Barracuda ES Serial ATA Product Manual, Rev. D |
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 |
The specifications listed in the following tables are for quick reference. For details on specification measurement or definition, see the appropriate section of this manual.
Barracuda ES Serial ATA Product Manual, Rev. D |
3 |
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 |
|
|
|
|
|
|
Areal density, (Gbits/in2 avg) |
128.2 |
|
|
Spindle speed (RPM) |
7,200 |
|
|
|
|
|
|
Internal data transfer rate (Mbits/sec max) |
1,030 |
|
|
|
|
|
|
Sustained data transfer rate OD (Mbytes/sec max) |
78 |
|
|
|
|
|
|
I/O data-transfer rate (Mbytes/sec max) |
300 |
|
|
|
|
|
|
ATA data-transfer modes supported |
PIO modes 0–4 |
|
|
|
|
Multiword DMA modes 0–2 |
|
|
|
Ultra DMA modes 0–6 |
|
|
|
|
|
Cache buffer |
|
16 Mbytes |
8 Mbytes |
|
|
|
|
Height (mm max) |
26.1 mm (1.028 inches) |
|
|
|
|
||
Width (mm max) |
101.6 mm (4.000 inches) +/- 0.010 inches |
||
|
|
|
|
Length (mm max) |
146.99 mm (5.787 inches) |
|
|
|
|
|
|
Weight (max) |
|
720 grams |
|
|
|
|
|
Average latency |
4.16 msec |
|
|
|
|
|
|
Power-on to ready (sec max) |
15 sec |
|
|
|
|
|
|
Standby to ready (sec max) |
15 sec |
|
|
|
|
|
|
Track-to-track seek time (msec typical) |
<0.8 read; <1.0 write |
|
|
|
|
|
|
Average seek, read (msec typical) |
<8.5 |
|
|
|
|
|
|
Average seek, write (msec typical) |
<10.0 |
|
|
|
|
|
|
Startup current (typical) 12V (peak) |
2.8 amps |
|
|
|
|
|
|
Voltage tolerance (including noise) |
5V ± 5% |
|
|
|
|
12V ± 10% |
|
Ambient temperature |
5° to 55°C (operating) |
|
|
|
|
–40° to 70°C (nonoperating) |
|
|
|
|
|
Temperature gradient (°C per hour max) |
20°C (operating) |
|
|
|
|
30°C (nonoperating) |
|
|
|
|
|
Relative humidity |
5% to 90% (operating) |
|
|
|
|
5% to 95% (nonoperating) |
|
Relative humidity gradient |
30% per hour max |
|
|
|
|
|
|
Wet bulb temperature (°C max) |
37.7 (operating) |
|
|
|
|
37.7 (nonoperating) |
|
|
|
|
|
Altitude, operating |
–60.96 m to 3,048 m |
|
|
|
|
(–200 ft. to 10,000+ ft.) |
|
Altitude, nonoperating |
–60.96 m to 12,192 m |
|
|
(below mean sea level, max) |
(–200 ft. to 40,000+ ft.) |
|
|
|
|
|
|
Operational Shock (max at 2 msec) |
63 Gs |
|
|
|
|
|
|
Non-Operational Shock (max at 2 msec) |
300 Gs |
|
|
|
|
|
|
4 |
Barracuda ES Serial ATA Product Manual, Rev. D |
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) |
|
|
|
|
Nonrecoverable read errors |
1 sector per 1015 bits read |
|
Annualized Failure Rate (AFR) |
0.73% |
|
|
|
|
Warranty |
5 years on distribution units. |
|
|
To determine the warranty for a specific drive, use a web browser to |
|
|
access the following web page: |
|
|
www.seagate.com/support/service/ |
|
|
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. |
|
|
|
|
Contact start-stop cycles |
50,000 |
|
(25°C, 50% rel. humidity) |
|
|
Supports Hotplug operation per Serial ATA Revision 2.5 |
Yes |
|
specification |
|
|
|
|
|
*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting.
**During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and power to operational levels.
Barracuda ES Serial ATA Product Manual, Rev. D |
5 |
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 |
|
|
|
|
|
|
|
|
Areal density, (Gbits/in2 avg) |
114.4 |
|
|
|
Spindle speed (RPM) |
7,200 |
|
|
|
|
|
|
|
|
Internal data transfer rate (Mbits/sec max) |
1,030 |
|
|
|
|
|
|
|
|
Sustained data transfer rate OD (Mbytes/sec max) |
72 |
|
|
|
|
|
|
|
|
I/O data-transfer rate (Mbytes/sec max) |
300 |
|
|
|
|
|
|
||
ATA data-transfer modes supported |
PIO modes 0–4 |
|
||
|
|
Multiword DMA modes 0–2 |
|
|
|
|
Ultra DMA modes 0–6 |
|
|
|
|
|
|
|
Cache buffer |
|
16 Mbytes |
|
8 Mbytes |
|
|
|
|
|
Height (mm max) |
26.1 mm (1.028 inches) |
|
||
|
|
|
||
Width (mm max) |
101.6 mm (4.000 inches) +/- 0.010 inches |
|
||
|
|
|
||
Length (mm max) |
146.99 mm (5.787 inches) |
|
||
|
|
|
|
|
Weight (max) |
|
635 grams |
|
|
|
|
|
|
|
Average latency (msec) |
4.16 |
|
|
|
|
|
|
||
Power-on to ready (sec max) |
15 sec |
|
||
|
|
|
||
Standby to ready (sec max) |
15 sec |
|
||
|
|
|
||
Track-to-track seek time (msec typical) |
<0.8 (read) |
|
||
|
|
<1.0 (write) |
|
|
|
|
|
|
|
Average seek, read (msec typical) |
<8.5 |
|
|
|
|
|
|
|
|
Average seek, write (msec typical) |
<10.0 |
|
|
|
|
|
|
||
Startup current (typical) 12V (peak) |
2.8 amps |
|
||
|
|
|
||
Voltage tolerance (including noise) |
5V ± 5% |
|
||
|
|
12V ± 10% |
|
|
Ambient temperature |
5° to 55°C (operating) |
|
||
|
|
–40° to 70°C (nonoperating) |
|
|
|
|
|
||
Temperature gradient (°C per hour max) |
20°C (operating) |
|
||
|
|
30°C (nonoperating) |
|
|
|
|
|
||
Relative humidity |
5% to 90% (operating) |
|
||
|
|
5% to 95% (nonoperating) |
|
|
Relative humidity gradient |
30% per hour max |
|
||
|
|
|
||
Wet bulb temperature (°C max) |
37.7 (operating) |
|
||
|
|
37.7 (nonoperating) |
|
|
|
|
|
||
Altitude, operating |
–60.96 m to 3,048 m |
|
||
|
|
(–200 ft. to 10,000+ ft.) |
|
|
Altitude, nonoperating |
–60.96 m to 12,192 m |
|
||
(below mean sea level, max) |
(–200 ft. to 40,000+ ft.) |
|
||
|
|
|
||
Operational Shock (max at 2 msec) |
63 Gs |
|
||
|
|
|
||
Non-Operational Shock (max at 2 msec) |
300 Gs |
|
||
|
|
|
|
|
6 |
Barracuda ES Serial ATA Product Manual, Rev. D |
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) |
|
|
|
|
|
|
Nonrecoverable read errors |
1 sector per 1015 bits read |
|
|
Annualized Failure Rate (AFR) |
0.73% |
|
|
|
|
|
|
Warranty |
5 years on distribution units. |
|
|
|
To determine the warranty for a specific drive, use a web browser to access |
||
|
the following web page: |
|
|
|
www.seagate.com/support/service/ |
|
|
|
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. |
||
|
|
|
|
Contact start-stop cycles |
50,000 |
|
|
(25°C, 50% rel. humidity) |
|
|
|
Supports Hotplug operation per SATA II |
Yes |
|
|
specification |
|
|
|
|
|
|
|
*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting.
**During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and power to operational levels.
Barracuda ES Serial ATA Product Manual, Rev. D |
7 |
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 |
|
|
|
|
|
|
Areal density, (Gbits/in2 avg) |
128.2 |
|
|
Spindle speed (RPM) |
7,200 |
|
|
|
|
|
|
Internal data transfer rate (Mbits/sec max) |
1,030 |
|
|
|
|
|
|
Sustained data transfer rate OD (Mbytes/sec max) |
72 |
|
|
|
|
|
|
I/O data-transfer rate (Mbytes/sec max) |
300 |
|
|
|
|
|
|
ATA data-transfer modes supported |
PIO modes 0–4 |
|
|
|
|
Multiword DMA modes 0–2 |
|
|
|
Ultra DMA modes 0–6 |
|
|
|
|
|
Cache buffer |
|
16 Mbytes |
8 Mbytes |
|
|
|
|
Height (mm max) |
26.1 mm (1.028 inches) |
|
|
|
|
||
Width (mm max) |
101.6 mm (4.000 inches) +/- 0.010 inches |
||
|
|
|
|
Length (mm max) |
146.99 mm (5.787 inches) |
|
|
|
|
|
|
Weight (max) |
|
635 grams |
|
|
|
|
|
Average latency (msec) |
4.16 |
|
|
|
|
|
|
Power-on to ready (sec max) |
15 sec |
|
|
|
|
|
|
Standby to ready (sec max) |
15 sec |
|
|
|
|
|
|
Track-to-track seek time (msec typical) |
<0.8 (read) |
|
|
|
|
<1.0 (write) |
|
|
|
|
|
Average seek, read (msec typical) |
<8.5 |
|
|
|
|
|
|
Average seek, write (msec typical) |
<10.0 |
|
|
|
|
|
|
Startup current (typical) 12V (peak) |
2.8 amps |
|
|
|
|
|
|
Voltage tolerance (including noise) |
5V ± 5% |
|
|
|
|
12V ± 10% |
|
Ambient temperature |
5° to 55°C (operating) |
|
|
|
|
–40° to 70°C (nonoperating) |
|
|
|
|
|
Temperature gradient (°C per hour max) |
20°C (operating) |
|
|
|
|
30°C (nonoperating) |
|
|
|
|
|
Relative humidity |
5% to 90% (operating) |
|
|
|
|
5% to 95% (nonoperating) |
|
Relative humidity gradient |
30% per hour max |
|
|
|
|
|
|
Wet bulb temperature (°C max) |
37.7 (operating) |
|
|
|
|
37.7 (nonoperating) |
|
|
|
|
|
Altitude, operating |
–60.96 m to 3,048 m |
|
|
|
|
(–200 ft. to 10,000+ ft.) |
|
Altitude, nonoperating |
–60.96 m to 12,192 m |
|
|
(below mean sea level, max) |
(–200 ft. to 40,000+ ft.) |
|
|
|
|
|
|
Operational Shock (max at 2 msec) |
63 Gs |
|
|
|
|
|
|
Non-Operational Shock (max at 2 msec) |
300 Gs |
|
|
|
|
|
|
8 |
Barracuda ES Serial ATA Product Manual, Rev. D |
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) |
|
|
|
|
|
|
Nonrecoverable read errors |
1 sector per 1015 bits read |
|
|
Annualized Failure Rate (AFR) |
0.73% |
|
|
|
|
|
|
Warranty |
5 years on distribution units. |
|
|
|
To determine the warranty for a specific drive, use a web browser to |
||
|
access the following web page: |
|
|
|
www.seagate.com/support/service/ |
|
|
|
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. |
|
|
|
|
|
|
Contact start-stop cycles |
50,000 |
|
|
(25°C, 50% rel. humidity) |
|
|
|
Supports Hotplug operation per SATA II |
Yes |
|
|
specification |
|
|
|
|
|
|
|
*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting.
**During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and power to operational levels.
Barracuda ES Serial ATA Product Manual, Rev. D |
9 |
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 |
|
|
|
|
|
|
Areal density, (Gbits/in2 avg) |
114.4 |
|
|
Spindle speed (RPM) |
7,200 |
|
|
|
|
|
|
Internal data transfer rate (Mbits/sec max) |
1,030 |
|
|
|
|
|
|
Sustained data transfer rate OD (Mbytes/sec max) |
72 |
|
|
|
|
|
|
I/O data-transfer rate (Mbytes/sec max) |
300 |
|
|
|
|
|
|
ATA data-transfer modes supported |
PIO modes 0–4 |
|
|
|
|
Multiword DMA modes 0–2 |
|
|
|
Ultra DMA modes 0–6 |
|
|
|
|
|
Cache buffer |
|
16 Mbytes |
8 Mbytes |
|
|
|
|
Height (mm max) |
26.1 mm (1.028 inches) |
|
|
|
|
||
Width (mm max) |
101.6 mm (4.000 inches) +/- 0.010 inches |
||
|
|
|
|
Length (mm max) |
146.99 mm (5.787 inches) |
|
|
|
|
|
|
Weight (max) |
|
635 grams |
|
|
|
|
|
Average latency (msec) |
4.16 |
|
|
|
|
|
|
Power-on to ready (sec max) |
15 sec |
|
|
|
|
|
|
Standby to ready (sec max) |
15 sec |
|
|
|
|
|
|
Track-to-track seek time (msec typical) |
<0.8 (read) |
|
|
|
|
<1.0 (write) |
|
|
|
|
|
Average seek, read (msec typical) |
<8.5 |
|
|
|
|
|
|
Average seek, write (msec typical) |
<10.0 |
|
|
|
|
|
|
Startup current (typical) 12V (peak) |
2.8 amps |
|
|
|
|
|
|
Voltage tolerance (including noise) |
5V ± 5% |
|
|
|
|
12V ± 10% |
|
Ambient temperature |
5° to 55°C (operating) |
|
|
|
|
–40° to 70°C (nonoperating) |
|
|
|
|
|
Temperature gradient (°C per hour max) |
20°C (operating) |
|
|
|
|
30°C (nonoperating) |
|
|
|
|
|
Relative humidity |
5% to 90% (operating) |
|
|
|
|
5% to 95% (nonoperating) |
|
Relative humidity gradient |
30% per hour max |
|
|
|
|
|
|
Wet bulb temperature (°C max) |
37.7 (operating) |
|
|
|
|
37.7 (nonoperating) |
|
|
|
|
|
Altitude, operating |
–60.96 m to 3,048 m |
|
|
|
|
(–200 ft. to 10,000+ ft.) |
|
Altitude, nonoperating |
–60.96 m to 12,192 m |
|
|
(below mean sea level, max) |
(–200 ft. to 40,000+ ft.) |
|
|
|
|
|
|
Operational Shock (max at 2 msec) |
63 Gs |
|
|
|
|
|
|
Non-Operational Shock (max at 2 msec) |
350 Gs |
|
|
|
|
|
|
10 |
Barracuda ES Serial ATA Product Manual, Rev. D |
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) |
|
|
|
|
|
|
Nonrecoverable read errors |
1 sector per 1015 bits read |
|
|
Annualized Failure Rate (AFR) |
0.73% |
|
|
|
|
|
|
Warranty |
5 years on distribution units. |
|
|
|
To determine the warranty for a specific drive, use a web browser to |
||
|
access the following web page: |
|
|
|
www.seagate.com/support/service/ |
|
|
|
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. |
|
|
|
|
|
|
Contact start-stop cycles |
50,000 |
|
|
(25°C, 50% rel. humidity) |
|
|
|
Supports Hotplug operation per SATA II |
Yes |
|
|
specification |
|
|
|
|
|
|
|
*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting.
**During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and power to operational levels.
Barracuda ES Serial ATA Product Manual, Rev. D |
11 |