Publication number: 100804836, Rev. B October 2016
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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.
• Balance technology to support multiple drives in a system
• Compliant with RoHS requirements in China and Europe
• Full-track multiple-sector transfer capability without local processor intervention
• Low activity and idle power
• Low-RPM spindle speed
• Native Command Queuing with command ordering to increase performance in demanding applications
• Off-the-shelf compatibility
• Performance-tuned for RAID applications
• Rated for 1M hours MTBF
• SeaTools diagnostic software performs a drive self-test that eliminates unnecessary drive returns.
• State-of-the-art cache and on-the-fly error-correction algorithms
• Streaming video optimization - consistent command completion times & ERC support
• Support for S.M.A.R.T. drive monitoring and reporting
• Supports ATA8 streaming commands
• Supports latching SATA cables and connectors
• TGMR recording technology provides the drives with increased areal density.
• Worldwide Name (WWN) capability uniquely identifies the drive
TM
Seagate SkyHawk Product Manual, Rev. B6
www.seagate.comIntroduction
1.1About the SATA interface
The Serial ATA (SATA) 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, SATA makes the transition from parallel ATA easy by providing legacy software support. SATA was designed to
allow users to install a SATA host adapter and SATA disk drive in the current system and expect all of the existing
applications to work as normal.
The SATA interface connects each disk drive in a point-to-point configuration with the SATA host adapter. There is no
master/slave relationship with SATA devices like there is with parallel ATA. If two drives are attached on one SATA 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 SATA 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 SATA host adapter contains a set of registers that shadow the contents of the traditional device registers, referred to as
the Shadow Register Block. All SATA devices behave like Device 0 devices. For additional information about how SATA
emulates parallel ATA, refer to the “Serial ATA International Organization: Serial ATA Revision 3.2”. The specification can be
downloaded from www.sata-io.org.
Note
The host adapter may, optionally, emulate a master/slave environment to host software where two
devices on separate SATA 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 SATA environment.
Seagate SkyHawk Product Manual, Rev. B 7
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 specifications listed in Table 1 are for quick reference. For details on specification measurement or definition, refer to
the appropriate section of this manual.
Table 1Drive specifications summary for 8TB and 6TB models
Bytes per sector
(4K physical emulated at 512-byte sectors)
Default sectors per track63
Default read/write heads16
Default cylinders16,383
Recording density (max) 2177KBPI1984KBPI
Track density (avg)370KTPI
2
Areal density (avg)802Gb/in
Internal data transfer rate (max)1981Mb/s
Maximum sustained data rate, OD read (MB/s)210MB/s
ATA data-transfer modes supported
I/O data-transfer rate (max)600MB/s
Cache buffer256MB
Height (max)26.1mm / 1.028 in
Width (max)101.6mm / 4.010 in
Length (max)146.99mm / 5.787 in
Weight (max)780g / 1.72 lb705g / 1.55 lb
Average latency4.0ms
Average seek, read (typical)
Average seek, write (typical)
Startup current (typical) 12V 1.8A
Voltage tolerance (including noise)
Non-Operating (Ambient °C)-40 to 70
Operating ambient temperature (min °C)5
Operating temperature (drive case max °C)70
Temperature gradient
Relative humidity
Relative humidity gradient (max)30% per hour
732Gb/in2
Multiword DMA modes: 0 to 2
Ultra DMA modes 0 to 6
20°C per hour max (operating)
30°C per hour max (nonoperating)
5% to 90% (operating)
5% to 95% (nonoperating)
4096
PIO modes: 0 to 4
<8.5ms
<9.5ms
5V: ±5%
12V: ±10%
†
Seagate SkyHawk Product Manual, Rev. B8
www.seagate.comDrive Specifications
Table 1Drive specifications summary for 8TB and 6TB models (continued)
Drive Specification*ST8000VX0022ST6000VX0023
Wet bulb temperature (max)
Altitude, operating
Altitude, non-operating
(below mean sea level, max)
26°C max (operating)
29°C max (nonoperating)
–304m to 3048m
(–1000 ft to 10,000 ft)
–304m to12,192m
(–1000ft to 40,000+ ft)
Operational Shock (max)70 Gs at 2ms
Non-Operational Shock (max)250 Gs at 2ms
2Hz to 22Hz: 0.25 Gs, Limited displacement
Vibration, operating
22Hz to 350Hz: 0.50 Gs
350Hz to 500Hz: 0.25 Gs
5Hz to 22Hz: 3.0 Gs
Vibration, non-operating
22Hz to 350Hz: 3.0 Gs
350Hz to 500Hz: 3.0 Gs
Drive acoustics, sound power
Idle***
Seek
Non-recoverable read errors1 per 10
2.7 bels (typical)
2.8 bels (max)
2.8 bels (typical)
2.9 bels (max)
15
bits read
Mean time between failures (MTBF), hours1M
Average annualized workload rating: <180 TB/year.
The AFR specification for the product assumes the I/O workload does not exceed
Rated Workload
the average annualized workload rate limit of 180 TB/year. Workloads exceeding
the annualized rate may degrade the product AFR 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:
From this page, click on “Is my Drive under Warranty”. Users 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 the drive.
Supports Hotplug operation per the
Serial ATA Revision 3.2 specification
Ye s
The following table footnotes apply to Table 1 and Table 2:
*All specifications above are based on native configurations.
** One GB equals one billion bytes and 1TB equals one trillion 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.
†
Seagate does not recommend operating at sustained case temperatures above 60°C.
Operating at higher temperatures will reduce useful life of the product.
Seagate SkyHawk Product Manual, Rev. B 9
www.seagate.comDrive Specifications
Table 2Drive specifications summary for 4TB - 1TB models
Supports Hotplug operation per the
Serial ATA Revision 3.2 specification
exceed the average annualized workload rate limit of 180 TB/year. Workloads
exceeding the annualized rate may degrade the product AFR 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:
From this page, click on “Is my Drive under Warranty”. Users 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 the drive.
2Hz to 22Hz: 0.25 Gs, Limited displacement
2.3 bels (typical)
2.4 bels (max)
2.5 bels (typical)
2.6 bels (max)
22Hz to 350Hz: 0.50 Gs
350Hz to 500Hz: 0.25 Gs
5Hz to 22Hz: 3.0 Gs
22Hz to 350Hz: 3.0 Gs
350Hz to 500Hz: 3.0 Gs
14
bits read
—
Ye s
1.9 bels (typical)
2.0 bels (max)
2.1 bels (typical)
2.2 bels (max)
—
50,000
2.2Formatted capacity
ModelFormatted capacity*Guaranteed sectors Bytes per sector
ST8000VX00228000GB15,628,053,168
ST6000VX00236000GB11,721,045,168
ST4000VX0074000GB7,814,037,168
ST3000VX0103000GB5,860,533,168
ST2000VX0082000GB3,907,029, 168
ST1000VX0051000GB1,953,525,168
*One GB equals one billion bytes and 1TB equals one trillion bytes when referring to hard drive capacity. Accessible capacity may vary depending on
operating environment and formatting.
4096
2.2.1 LBA 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.
See Section 4.3.1, "Identify Device command" (words 60-61 and 100-103) for additional information about 48-bit
addressing support of drives with capacities over 137GB.
Seagate SkyHawk Product Manual, Rev. B 11
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