Product Manual
Barracuda
ST31000524AS
ST3750525AS
ST3500413AS
ST3320413AS
ST3250312AS
ST3160316AS
100636864 Rev. B
March 2011
Document Revision History
Revision |
Date |
Description of Change |
|
|
|
Rev. A |
08/20/2010 |
Initial release. |
|
|
|
Rev. B |
03/04/2011 |
Added Reliability section. |
|
|
|
Copyright © 2011 Seagate Technology LLC. All rights reserved.
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.
When referring to drive capacity, one gigabyte, or GB, equals one billion bytes and one terabyte, or TB, equals one trillion bytes. Your computer's operating system may use a different standard of measurement and report a lower capacity. In addition, some of the listed capacity is used for formatting and other functions, and thus will not be available for data storage. Seagate reserves the right to change, without notice, product offerings or specifications.
Contents
Seagate Technology Support Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.1 |
About the Serial ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
9 |
2.0 Drive Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.1 Specification summary tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2.2 Formatted capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2.2.1 LBA mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2.3 Default logical geometry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.4 Recording and interface technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2.5 Physical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2.6 Seek time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2.7 Start/stop times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2.8 Power specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.8.1 Power consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2.8.2 Conducted noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2.8.3 Voltage tolerance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2.8.4 Power-management modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2.9 Environmental specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2.9.1 Ambient temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2.9.2 Temperature gradient. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2.9.3 Humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2.9.4 Altitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2.9.5 Shock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2.9.6 Vibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2.10 Acoustics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2.10.1 Test for Prominent Discrete Tones (PDTs). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2.11 Electromagnetic immunity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
2.12 Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2.13 Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 2.14 Agency certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 2.14.1 Safety certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 2.14.2 Electromagnetic compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 2.14.3 FCC verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
2.15 Environmental protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 2.15.1 European Union Restriction of Hazardous Substances (RoHS) Directive . . . . . 25 2.15.2 China Restriction of Hazardous Substances (RoHS) Directive . . . . . . . . . . . . 25
2.16 Corrosive environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.0 Configuring and Mounting the Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3.1 Handling and static-discharge precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 3.2 Configuring the drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 3.3 Serial ATA cables and connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 3.4 Drive mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
4.0 Serial ATA (SATA) Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
4.1 Hot-Plug compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 4.2 Serial ATA device plug connector pin definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 4.3 Supported ATA commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 4.3.1 Identify Device command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 4.3.2 Set Features command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 4.3.3 S.M.A.R.T. commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Barracuda SATA Product Manual, Rev. B
Barracuda SATA Product Manual, Rev. B
|
|
Figures |
Figure 1 |
Attaching SATA cabling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . . . . 28 |
Figure 2 |
Mounting dimensions (1000 and 750GB models) . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . . . . 29 |
Figure 3 |
Mounting dimensions (500, 320, 250 and 160GB models) . . . . . . . . . . . . . . . . . . . |
. . . . . . . 30 |
Barracuda SATA Product Manual, Rev. B
Barracuda SATA Product Manual, Rev. B
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 Seagate OEM and Distribution partner portal, visit https://direct.seagate.com/portal/system For Seagate reseller portal, visit http://spp.seagate.com
Barracuda SATA Product Manual, Rev. B |
7 |
8 |
Barracuda SATA Product Manual, Rev. B |
This manual describes the functional, mechanical and interface specifications for the following Seagate Barracuda® model drives:
ST31000524AS |
ST3500413AS |
ST3250312AS |
ST3750525AS |
ST3320413AS |
ST3160316AS |
These drives provide the following key features:
•7200 RPM spindle speed.
•High instantaneous (burst) data-transfer rates (up to 600MB 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.
•Compliant with RoHS requirements in China and Europe.
•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.
•Worldwide Name (WWN) capability uniquely identifies the drive.
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 disk drive in your current system and expect all of your existing applications to work as normal.
The Serial ATA interface connects each disk 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.
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
Note 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.
Barracuda SATA Product Manual, Rev. B |
9 |
Introduction |
www.seagate.com |
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 International Organization: Serial ATA Revision 3.0”. The specification can be downloaded from www.sata-io.org.
10 |
Barracuda SATA Product Manual, Rev. B |
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:
ST31000524AS |
ST3500413AS |
ST3250312AS |
ST3750525AS |
ST3320413AS |
ST3160316AS |
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.
Table 1 Drive specifications summary for 1000 and 750 models
Drive Specification |
ST31000524AS |
|
ST3750525AS |
||
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|
|
|
|
Formatted capacity (512 bytes/sector)* |
1000GB |
|
|
750GB |
|
|
|
|
|
||
Guaranteed sectors |
1,953,525,168 |
|
1,465,149,168 |
||
|
|
|
|
|
|
Heads |
4 |
|
|
3 |
|
|
|
|
|
|
|
Disks |
2 |
|
|
2 |
|
|
|
|
|
|
|
Bytes per sector |
512 |
|
|
512 |
|
|
|
|
|
|
|
Default sectors per track |
63 |
|
|
63 |
|
|
|
|
|
|
|
Default read/write heads |
16 |
|
|
16 |
|
|
|
|
|
|
|
Default cylinders |
16,383 |
|
|
16,383 |
|
|
|
|
|
||
Recording density (max) |
1413kb/in |
|
1413kb/in |
||
|
|
|
|
||
Track density (avg) |
236 ktracks/in |
|
236 ktracks/in |
||
|
|
|
|
||
Areal density (avg) |
329Gb/in2 |
|
329Gb/in2 |
||
Spindle speed |
7200 RPM |
|
7200 RPM |
||
|
|
|
|
||
Internal data transfer rate (max) |
1695Mb/s |
|
1695Mb/s |
||
|
|
|
|
||
Sustained data transfer rate OD (max) |
125MB/s |
|
125MB/s |
||
|
|
|
|
||
I/O data-transfer rate (max) |
600MB/s |
|
600MB/s |
||
|
|
|
|
|
|
ATA data-transfer modes supported |
|
|
PIO modes: 0 to 4 |
||
|
|
|
Multiword DMA modes: 0 to 2 |
||
|
|
|
Ultra DMA modes: 0 to 6 |
||
|
|
|
|
|
|
Cache buffer |
32MB |
|
|
32MB |
|
|
|
|
|
||
Height (max.) |
26.1mm / 1.028 in |
|
26.1mm / 1.028 in |
||
|
|
|
|
||
Width (max.) |
101.6mm /4.0 in (+ 0.010 in) |
|
101.6mm /4.0 in (+ 0.010 in) |
||
|
|
|
|
||
Length (max.) |
146.99mm / 5.787 in |
|
146.99mm / 5.787 in |
||
|
|
|
|
||
Weight (typical) |
622g /1.371 lb |
|
622g /1.371 lb |
||
|
|
|
|
|
|
Average latency |
4.16ms |
|
|
4.16ms |
|
|
|
|
|
|
|
Power-on to ready (max.) |
<10.0s |
|
|
<10.0s |
|
|
|
|
|
|
|
Standby to ready (max.) |
<10.0s |
|
|
<10.0s |
|
|
|
|
|
|
|
Track-to-track seek time (typical) |
<1.0ms |
read |
|
<1.0ms |
read |
|
<1.2ms |
write |
|
<1.2ms |
write |
|
|
|
|
||
Average seek, read (typical) |
<8.5ms typical |
|
<8.5ms typical |
||
Average seek, write (typical) |
<9.5ms typical |
|
<9.5ms typical |
||
|
|
|
|
|
|
Barracuda SATA Product Manual, Rev. B |
11 |
Drive Specifications |
|
|
www.seagate.com |
Table 1 Drive specifications summary for 1000 and 750 models (continued) |
|||
Drive Specification |
ST31000524AS |
|
ST3750525AS |
|
|
|
|
Startup current (typical) 12V (peak) |
2.0A |
|
2.0A |
|
|
|
|
Voltage tolerance (including noise) |
5V +10% / -7.5% |
|
5V +10% / -7.5% |
|
12V +10% / -7.5% |
|
12V +10% / -7.5% |
|
|
|
|
Ambient temperature |
0° to 60°C (operating) |
|
0° to 60°C (operating) |
|
–40° to 70°C (non-operating) |
|
–40° to 70°C (non-operating) |
|
|
|
|
Temperature gradient |
20°C per hour max (operating) |
|
20°C per hour max (operating) |
|
30°C per hour max (non-operating) |
|
30°C per hour max (non-operating) |
|
|
|
|
Relative humidity |
5% to 95% (operating) |
|
5% to 95% (operating) |
|
5% to 95% (non-operating) |
|
5% to 95% (non-operating) |
|
|
|
|
Relative humidity gradient (max.) |
30% per hour |
|
30% per hour |
|
|
|
|
Wet bulb temperature (max.) |
37.7°C max (operating) |
|
37.7°C max (operating) |
|
40.0°C max (non-operating) |
|
40.0°C max (non-operating) |
|
|
|
|
Altitude, operating |
–304.8m to 3,048m |
|
–304.8m to 3,048m |
|
(–1000 ft to 10,000+ ft) |
|
(–1000 ft to 10,000+ ft) |
|
|
|
|
Altitude, non-operating |
–304.8m to 12,192m |
|
–304.8m to 12,192m |
(below mean sea level, max) |
(–1000 ft to 40,000+ ft) |
|
(–1000 ft to 40,000+ ft) |
|
|
|
|
Operational Shock (max) |
70 Gs at 2ms |
|
70 Gs at 2ms |
|
|
|
|
Non-Operational Shock (max) |
300 Gs at 2ms |
|
300 Gs at 2ms |
|
|
|
|
Vibration, operating |
2Hz to 22Hz: 0.25 Gs, Limited displace- |
|
2Hz to 22Hz: 0.25 Gs, Limited displacement |
|
ment |
|
22Hz to 350Hz: 0.50 Gs |
|
22Hz to 350Hz: 0.50 Gs |
|
350Hz to 500Hz: 0.25 Gs |
|
350Hz to 500Hz: 0.25 Gs |
|
|
|
|
|
|
Vibration, non-operating |
5Hz to 22Hz: 3.0 Gs |
|
5Hz to 22Hz: 3.0 Gs |
|
22Hz to 350Hz: 3.0 Gs |
|
22Hz to 350Hz: 3.0 Gs |
|
350Hz to 500Hz: 3.0 Gs |
|
350Hz to 500Hz: 3.0 Gs |
|
|
|
|
Drive acoustics, sound power |
|
|
|
Idle** |
2.6 bels (typical) |
|
2.6 bels (typical) |
|
2.7 bels (max) |
|
2.7 bels (max) |
Seek |
2.8 bels (typical) |
|
2.8 bels (typical) |
|
3.0 bels (max) |
|
3.0 bels (max) |
|
|
|
|
Non-recoverable read errors |
1 per 1014 bits read |
|
1 per 1014 bits read |
Annulized Failure Rate (AFR) |
0.34% |
|
0.34% |
|
|
|
|
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 dis- |
||
|
play the warranty information for your drive. |
|
|
|
|
|
|
Contact start-stop cycles |
50,000 at 25°C, 50% rel. humidity |
|
50,000 at 25°C, 50% rel. humidity |
|
|
|
|
Supports Hotplug operation per the |
Yes |
|
Yes |
Serial ATA Revision 2.5 specification |
|
|
|
|
|
|
|
*One GB 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.
Table 2 Drive specifications summary for 500GB and 320 models
Drive Specification |
ST3500413AS |
ST3320413AS |
|
|
|
Formatted capacity (512 bytes/sector)* |
500GB |
320GB |
|
|
|
Guaranteed sectors |
976,773,168 |
625,142,448 |
|
|
|
Heads |
2 |
2 |
|
|
|
Disks |
1 |
1 |
|
|
|
Bytes per sector |
512 |
512 |
|
|
|
Default sectors per track |
63 |
63 |
|
|
|
Default read/write heads |
16 |
16 |
|
|
|
Default cylinders |
16,383 |
16,383 |
|
|
|
12 |
Barracuda SATA Product Manual, Rev. B |
www.seagate.com |
|
|
Drive Specifications |
Table 2 Drive specifications summary for 500GB and 320 models (continued) |
|
||
Drive Specification |
ST3500413AS |
|
ST3320413AS |
|
|
|
|
Recording density (max.) |
1413kb/in |
|
1413kb/in |
|
|
|
|
Track density (avg.) |
236 ktracks/in |
|
236 ktracks/in |
|
|
|
|
Areal density (avg.) |
329Gb/in2 |
|
329Gb/in2 |
Spindle speed |
7200 RPM |
|
7200 RPM |
|
|
|
|
Internal data transfer rate (max) |
1695Mb/s |
|
1695Mb/s |
|
|
|
|
Sustained data transfer rate OD (max) |
125MB/s |
|
125MB/s |
|
|
|
|
I/O data-transfer rate (max.) |
600MB/s |
|
600MB/s |
|
|
|
|
ATA data-transfer modes supported |
PIO modes: 0 to 4 |
|
PIO modes: 0 to 4 |
|
Multiword DMA modes: 0 to 2 |
|
Multiword DMA modes: 0 to 2 |
|
Ultra DMA modes: 0 to 6 |
|
Ultra DMA modes: 0 to 6 |
|
|
|
|
Cache buffer |
16MB |
|
16MB |
|
|
|
|
Height (max) |
19.98mm / 0.787 in |
|
19.98mm / 0.787 in |
|
|
|
|
Width (max) |
101.6mm / 4.0 in (+ 0.010 in) |
|
101.6mm / 4.0 in (+ 0.010 in) |
|
|
|
|
Length (max) |
146.99mm / 5.787 in |
|
146.99mm / 5.787 in |
|
|
|
|
Weight (typical) |
415g / 0.915 lb |
|
415g / 0.915 lb |
|
|
|
|
Average latency |
4.16ms |
|
4.16ms |
|
|
|
|
Power-on to ready (max) |
<8.5s |
|
<8.5s |
|
|
|
|
Standby to ready (max) |
<8.5s |
|
<8.5s |
|
|
|
|
Track-to-track seek time (typical) |
<1.0ms read; |
|
<1.0ms read; |
|
<1.2ms write |
|
<1.2ms write |
|
|
|
|
Average seek, read (typical) |
<8.5ms |
|
<8.5ms |
|
|
|
|
Average seek, write (typical) |
<9.5ms |
|
<9.5ms |
|
|
|
|
Startup current (typical) 12V (peak) |
2.0A |
|
2.0A |
|
|
|
|
Voltage tolerance (including noise) |
5V +10% / -7.5% |
|
5V +10% / -7.5% |
|
12V +10% / -7.5% |
|
12V +10% / -7.5% |
|
|
|
|
Ambient temperature |
0° to 60°C (operating) |
|
0° to 60°C (operating) |
|
–40° to 70°C (non-operating) |
|
–40° to 70°C (non-operating) |
|
|
|
|
Temperature gradient |
20°C per hour max (operating) |
|
20°C per hour max (operating) |
|
30°C per hour max (non-operating) |
|
30°C per hour max (non-operating) |
|
|
|
|
Relative humidity |
5% to 95% (operating) |
|
5% to 95% (operating) |
|
5% to 95% (non-operating) |
|
5% to 95% (non-operating) |
|
|
|
|
Relative humidity gradient (max) |
30% per hour |
|
30% per hour |
|
|
|
|
Wet bulb temperature (max) |
37.7°C (operating) |
|
37.7°C (operating) |
|
40.0°C (non-operating) |
|
40.0°C (non-operating) |
|
|
|
|
Altitude, operating |
–304.8m to 3,048m |
|
–304.8m to 3,048m |
|
(–1000 ft to 10,000+ ft) |
|
(–1000 ft to 10,000+ ft) |
|
|
|
|
Altitude, non-operating |
–304.8m to 12,192m |
|
–304.8m to 12,192m |
(below mean sea level, max) |
(–1000 ft to 40,000+ ft) |
|
(–1000 ft to 40,000+ ft) |
|
|
|
|
Operational Shock (max) |
70 Gs at 2ms |
|
70 Gs at 2ms |
|
|
|
|
Non-Operational Shock (max) |
350 Gs at 2ms |
|
350 Gs at 2ms |
|
|
|
|
Vibration, operating |
2Hz to 22Hz: 0.25 Gs, Limited displacement |
|
2Hz to 22Hz: 0.25 Gs, Limited displacement |
|
22Hz to 350Hz: 0.50 Gs |
|
22Hz to 350Hz: 0.50 Gs |
|
350Hz to 500Hz: 0.25 Gs |
|
350Hz to 500Hz: 0.25 Gs |
|
|
|
|
Vibration, non-operating |
5Hz to 22Hz: 3.0 Gs |
|
5Hz to 22Hz: 3.0 Gs |
|
22Hz to 350Hz: 3.0 Gs |
|
22Hz to 350Hz: 3.0 Gs |
|
350Hz to 500Hz: 3.0 Gs |
|
350Hz to 500Hz: 3.0 Gs |
|
|
|
|
Drive acoustics, sound power |
|
|
|
Idle** |
2.6 bels (typical) |
|
2.6 bels (typical) |
|
2.7 bels (max) |
|
2.7 bels (max) |
Seek |
2.8 bels (typical) |
|
2.8 bels (typical) |
|
3.0 bels (max) |
|
3.0 bels (max) |
|
|
|
|
Non-recoverable read errors |
1 per 1014 bits read |
|
1 per 1014 bits read |
Annulized Failure Rate (AFR) |
0.34% |
|
0.34% |
|
|
|
|
Barracuda SATA Product Manual, Rev. B |
13 |
Drive Specifications |
|
|
www.seagate.com |
Table 2 Drive specifications summary for 500GB and 320 models (continued) |
|
||
Drive Specification |
ST3500413AS |
|
ST3320413AS |
|
|
|
|
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 dis- |
||
|
play the warranty information for your drive. |
|
|
|
|
|
|
Contact start-stop cycles |
50,000 at 25°C, 50% rel. humidity |
|
50,000 at 25°C, 50% rel. humidity |
|
|
|
|
Supports Hotplug operation per the |
Yes |
|
Yes |
Serial ATA Revision 2.5 specification |
|
|
|
|
|
|
|
*One GB 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.
Table 3 Drive specifications summary for 250GB and 160GB models
Drive Specification |
ST3250312AS |
ST3160316AS |
||
|
|
|
|
|
Formatted capacity (512 bytes/sector)* |
250GB |
|
160GB |
|
|
|
|
|
|
Guaranteed sectors |
488,397,168 |
|
312,581,808 |
|
|
|
|
|
|
Heads |
1 |
|
1 |
|
|
|
|
|
|
Disks |
1 |
|
1 |
|
|
|
|
|
|
Bytes per sector |
512 |
|
512 |
|
|
|
|
|
|
Default sectors per track |
63 |
|
63 |
|
|
|
|
|
|
Default read/write heads |
16 |
|
16 |
|
|
|
|
|
|
Default cylinders |
16,383 |
|
16,383 |
|
|
|
|
|
|
Recording density (max.) |
1413kb/in |
|
1413kb/in |
|
|
|
|
|
|
Track density (avg.) |
236 ktracks/in |
|
236 ktracks/in |
|
|
|
|
|
|
Areal density (avg.) |
329Gb/in2 |
|
329Gb/in2 |
|
Spindle speed |
7200 RPM |
|
7200 RPM |
|
|
|
|
|
|
Internal data transfer rate (max.) |
1695Mb/s |
|
1695Mb/s |
|
|
|
|
|
|
Sustained data transfer rate OD (max.) |
125MB/s |
|
125MB/s |
|
|
|
|
|
|
I/O data-transfer rate |
600MB/s |
|
600MB/s |
|
|
|
|
||
ATA data-transfer modes supported |
PIO modes: 0 to 4 |
PIO modes: 0 to 4 |
||
|
Multiword DMA modes: 0 to 2 |
Multiword DMA modes: 0 to 2 |
||
|
Ultra DMA modes: 0 to 6 |
Ultra DMA modes: 0 to 6 |
||
|
|
|
|
|
Cache buffer |
8MB |
|
8MB |
|
|
|
|
||
Height (max.) |
19.98mm / 0.787 in |
19.98mm / 0.787 in |
||
|
|
|
||
Width (max.) |
101.6mm / 4.0 in ( + 0.010 in) |
101.6mm / 4.0 in ( + 0.010 in) |
||
|
|
|
||
Length (max.) |
146.99mm / 5.787 in |
146.99mm / 5.787 in |
||
|
|
|
|
|
Weight (typical) |
415g / 0.915 lb |
|
415g / 0.915 lb |
|
|
|
|
|
|
Average latency |
4.16ms |
|
4.16ms |
|
|
|
|
|
|
Power-on to ready (max.) |
<8.5s |
|
<8.5s |
|
|
|
|
|
|
Standby to ready (max.) |
<8.5s |
|
<8.5s |
|
|
|
|
|
|
Track-to-track seek time (typical) |
<1.0ms (read) |
|
<1.0ms (read) |
|
|
<1.2ms (write) |
|
<1.2ms (write) |
|
|
|
|
|
|
Average seek, read (typical) |
<8.5ms (read) |
|
<8.5ms (read) |
|
Average seek, write (typical) |
<9.5ms (write) |
|
<9.5ms (write) |
|
|
|
|
|
|
Startup current (typical) 12V (peak) |
2.0A |
|
2.0A |
|
|
|
|
||
Voltage tolerance (including noise) |
5V +10% / -7.5% |
5V +10% / -7.5% |
||
|
12V +10% / -7.5% |
12V +10% / -7.5% |
||
|
|
|
||
Ambient temperature |
0° to 60°C (operating) |
0° to 60°C (operating) |
||
|
–40° to 70°C (non-operating) |
–40° to 70°C (non-operating) |
||
|
|
|
|
|
Temperature gradient (max.) |
20°C per hour |
(operating) |
20°C per hour |
(operating) |
|
30°C per hour |
(non-operating) |
30°C per hour |
(non-operating) |
|
|
|
|
|
14 |
Barracuda SATA Product Manual, Rev. B |
www.seagate.com |
|
Drive Specifications |
Table 3 Drive specifications summary for 250GB and 160GB models (continued) |
||
Drive Specification |
ST3250312AS |
ST3160316AS |
|
|
|
Relative humidity |
5% to 95% (operating) |
5% to 95% (operating) |
|
5% to 95% (non-operating) |
5% to 95% (non-operating) |
|
|
|
Relative humidity gradient (max.) |
30% per hour |
30% per hour |
|
|
|
Wet bulb temperature |
37.7°C max (operating) |
37.7°C max (operating) |
|
40.0°C max (non-operating) |
40.0°C max (non-operating) |
|
|
|
Altitude, operating |
–60.96m to 3,048m |
–60.96m to 3,048m |
|
(–1000 ft to 10,000+ ft) |
(–1000 ft to 10,000+ ft) |
|
|
|
Altitude, non-operating |
–60.96m to 12,192m |
–60.96m to 12,192m |
(below mean sea level, max.) |
(–1000 ft to 40,000+ ft) |
(–1000 ft to 40,000+ ft) |
|
|
|
Operational Shock (max.) |
70 Gs at 2ms |
70 Gs at 2ms |
|
|
|
Non-Operational Shock (max.) |
350 Gs at 2ms |
350 Gs at 2ms |
|
|
|
Vibration, operating |
2Hz to 22Hz: 0.25 Gs, Limited displacement |
2Hz to 22Hz: 0.25 Gs, Limited displacement |
|
22Hz to 350Hz: 0.50 Gs |
22Hz to 350Hz: 0.50 Gs |
|
350Hz to 500Hz: 0.25 Gs |
350Hz to 500Hz: 0.25 Gs |
|
|
|
Vibration, non-operating |
5Hz to 22Hz: 3.0 Gs |
5Hz to 22Hz: 3.0 Gs |
|
22Hz to 350Hz: 3.0 Gs |
22Hz to 350Hz: 3.0 Gs |
|
350Hz to 500Hz: 3.0 Gs |
350Hz to 500Hz: 3.0 Gs |
|
|
|
Drive acoustics, sound power |
|
|
Idle** |
2.6 bels (typical) |
2.6 bels (typical) |
|
2.7 bels (max) |
2.7 bels (max) |
|
|
|
Seek |
2.8 bels (typical) |
2.8 bels (typical) |
|
3.0 bels (max) |
3.0 bels (max) |
|
|
|
Non-recoverable read errors |
1 per 1014 bits read |
1 per 1014 bits read |
Annulized Failure Rate (AFR) |
0.34% |
0.34% |
|
|
|
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 dis- |
|
|
play the warranty information for your drive. |
|
|
|
|
Contact start-stop cycles |
50,000 at 25°C, 50% rel. humidity |
50,000 at 25°C, 50% rel. humidity |
|
|
|
Supports Hotplug operation per the |
Yes |
Yes |
Serial ATA Revision 2.5 specification |
|
|
|
|
|
*One GB 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.
Model |
Formatted |
Guaranteed |
Bytes per sector |
|
capacity* |
sectors |
|||
|
|
|||
|
|
|
|
|
ST31000524AS |
1000GB |
1,953,525,168 |
|
|
|
|
|
|
|
ST3750525AS |
750GB |
1,465,149,168 |
|
|
|
|
|
|
|
ST3500413AS |
500GB |
976,773,168 |
|
|
|
|
|
512 |
|
ST3320413AS |
320GB |
625,142,448 |
||
|
||||
|
|
|
|
|
ST3250312AS |
250GB |
488,397,168 |
|
|
|
|
|
|
|
ST3160316AS |
160GB |
312,581,808 |
|
|
|
|
|
|
*One GB equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting.
Barracuda SATA Product Manual, Rev. B |
15 |