Publication number: 100818135, Rev. E October 2017
Seagate, Seagate Technology and the Spiral logo are registered trademarks of Seagate Technology LLC in the United States and/or other countries. SeaTools and 3D Defense System are
either a trademark or registered trademark of Seagate Technology LLC or one of its affiliated companies in the United States and/or other countries. The FIPS logo is a certification mark
of NIST, which does not imply product endorsement by NIST, the U.S., or Canadian governments. All other trademarks or registered trademarks are the property of their respective
owners.
No part of this publication may be reproduced in any form without written permission of Seagate Technology LLC.
Call 877-PUB-TEK1(877-782-8351) to request permission.
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.
Actual quantities will vary based on various factors, including file size, file format, features and application software. Actual data rates may vary depending on operating environment
and other factors. The export or re-export of hardware or software containing encryption may be regulated by the U.S. Department of Commerce, Bureau of Industry and Security (for
more information, visit www.bis.doc.gov), and controlled for import and use outside of the U.S. Seagate reserves the right to change, without notice, product offerings or specifications.
• SeaToolsTM diagnostic software performs a drive self-test that eliminates unnecessary drive returns.
• Shingled magnetic recording with perpendicular magnetic recording heads/media.
• State-of-the-art cache and on-the-fly error-correction algorithms.
• Support for Read Multiple and Write Multiple commands.
• Support for S.M.A.R.T. drive monitoring and reporting.
• Worldwide Name (WWN) capability uniquely identifies the drive.
1.1About 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 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 users to
install a Serial ATA host adapter and Serial ATA disk drive in the current system and expect all of the 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
Note
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 3.2). The specification can be downloaded from www.serialata.or
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.
g.
Seagate BarraCuda Pro Product Manual, Rev. E 6
2.0Drive 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:
The specification summaries listed in the following tables are for quick reference. For details on specification measurement or definition, refer to the
appropriate section of this manual.
Altitude, operating–304.8 m to 3048 m (–1000 ft to 10,000+ ft)
Altitude, non-operating
(below mean sea level, max)
Operational Shock400 Gs at 2 ms max
20°C per hour max (operating)
35°C per hour max (non-operating)
5% to 90% (operating)
5% to 95% (non-operating)
37.7°C max (operating)
40.0°C max (non-operating)
–304.8 m to 12,192 m (–1000 ft to 40,000+ ft)
Seagate BarraCuda Pro Product Manual, Rev. E 7
Drive Specifications
Table 1Drive Specifications Summary (continued)
Drive SpecificationST1000LM049ST500LM034
Non-Operational Shock1000 Gs at 1 ms max
Vibration, operating
Vibration, non-operating5–500 Hz: 5.0 Gs
Non-recoverable read errors1 per 10
Average annualized workload rating: <55 TB/year.
Rated workload
Warranty
Load-unload cycles600,000 at 30°C, 50% rel. humidity
Supports Hotplug operation per the
Serial ATA Revision 3.2 specification
1.One GB equals one billion bytes when referring to hard drive capacity.
Accessible capacity may vary depending on operating environment and formatting.
†Seagate does not recommend operating at sustained case temperatures above 60°C.
Operating at higher temperatures will reduce useful life of the product.
Note
If the drive is powered-off before issuing flush cache command, in some instances,
the end user data in the DRAM cache might not be committed to the disk.
The specifications for the product assumes the I/O workload does not exceed the average
annualized workload rate limit of 55 TB/year. Workloads exceeding the annualized rate may
degrade and impact reliability as experienced by the particular application. The average
annualized workload rate limit is in units of TB per calendar year.
To determine the warranty for a specific drive, use a web browser to access the following
web page: http://www.sea
From this page, click on the “Is my Drive under Warranty” link. The following are required to
be provided: the drive serial number, model number (or part number) and country of
purchase. The system will display the warranty information for the drive.
gate.com/support/warranty-and-replacements/.
5–200 Hz: 2.0 Gs
201–500 Hz: 1.0 Gs
14
bits read
Ye s
2.1Formatted Capacity
Model
Formatted Capacity
1TB model1000 GB1,953,525,168
500GB model500 GB976,773,168
1.One GB equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary
depending on operating environment and formatting.
2.1.1LBA 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.
Refer to Configuring and Mounting the Drive on page 19 (words 60-61 and 100-103) for additional information about 48-bit addressing support
of drives with capacities over 137 GB.
Seek measurements are taken with nominal power at 25°C ambient temperature. All times are measured using drive diagnostics. The specifications
in the table below are defined as follows:
• Track-to-track seek time is an average of all possible single-track seeks in both directions.
• Average seek time is a true statistical random average of at least 5000 measurements of seeks between random tracks, less overhead.
Table 2Typical seek times
Typical seek times (ms)Read
Track -to-t rack0.5
Average13.0
Average latency11.5
These drives are designed to consistently meet the seek times represented in this manual. Physical seeks,
Note
regardless of mode (such as track-to-track and average), are expected to meet the noted values. However, due
to the manner in which these drives are formatted, benchmark tests that include command overhead or
measure logical seeks may produce results that vary from these specifications.
Seagate BarraCuda Pro Product Manual, Rev. E 9
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