Publication number: 100832218, Rev. B April 2018
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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
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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.
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Seagate SkyHawk AI Product Manual, Rev. B 5
1.0Introduction
This manual describes the functional, mechanical and interface specifications for the following: Seagate® SkyHawk® AI model drives:
ST6000VE001ST4000VE001
These drives provide the following key features:
• 2M hour MTBF - designed for high write duty cycle across SkyHawk AI
• ATA AV Command support - streaming video command support across SkyHawk AI
• Best-in-class acoustic performance means virtually silent operation
• Built-in error recovery for non-stop video streaming
• Compliant with RoHS requirements in China and Europe
• Full-track multiple-sector transfer capability without local processor intervention
• Low activity power
• Native Command Queuing with command ordering to increase performance in demanding applications
• Performance-tuned for seamless video applications
• PowerChoice™ for selectable power savings
• Reliability for 24×7 video surveillance applications
• Rotational Vibration - mitigation of system level rotational vibration inside SkyHawk AI
• 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 across SkyHawk AI
• Support for S.M.A.R.T. drive monitoring and reporting
• Supports "16+" drive bays
• Supports ATA8 streaming commands
• Supports latching SATA cables and connectors
• Supports up to 64 cameras plus 16 AI streams
• TGMR recording technology provides the drives with increased areal density.
• Thermal monitoring and reporting for 24×7 operations
• Transient power on management - 1.8A spin-up current
• Uncompromising reliability supports flexible surveillance design with case temperatures up to 70ºC
• Workload ratings of 550TB/year
• Worldwide Name (WWN) capability uniquely identifies the drive
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.
The host adapter may, optionally, emulate a master/slave environment to host software where two devices on
Note
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 AI Product Manual, Rev. B6
www.seagate.comDrive Specifications
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:
ST6000VE001ST4000VE001
2.1Specification summary tables
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 6TB and 5TB models
Supports hotplug operation per the
Serial ATA Revision 3.2 specification
the average annualized workload rate limit of 550TB/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.
70 Gs at 2ms (read)
40 Gs at 2ms (write)
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
2.7 bels (typical)
2.8 bels (max)
2.8 bels (typical)
2.9 bels (max)
Yes
*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 AI Product Manual, Rev. B8
www.seagate.comDrive Specifications
2.2Formatted capacity
Model
ST6000VE0016000GB11,721,045,168
ST4000VE0014000GB7,814,037,168
*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.
Formatted
capacity*
Guaranteed
sectors
Bytes per sector
4096
(emulated at 512-byte sectors)
2.2.1LBA 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.
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.
2.3Recording and interface technology
All model
InterfaceSATA
Recording methodPerpendicular
Recording density (kFCI)1941
Track density (ktracks/inch avg)340
Areal density (Gb/in
2
)642
Internal data transfer rate (Mb/s max)2347
Maximum sustained data transfer rate, OD read (MB/s)226
I/O data-transfer rate (MB/s max)600
2.4Start/stop times
The start/stop times listed below.
Power-on to ready (sec) (typ/max)25/30
Standby to ready (sec) (typ/max)25/30
Ready to spindle stop (sec) (typ/max)10/11
Time-to-ready may be longer than normal if the drive power is removed without going through normal OS powerdown procedures.
s.
Seagate SkyHawk AI Product Manual, Rev. B9
www.seagate.comDrive Specifications
2.5Power specifications
The drive receives DC power (+5V or +12V) through a native SATA power connector. See Figure 3 on page 26.
2.5.1Power consumption
Power requirements for the drives are listed in Table 2. Typical power measurements are based on an average of drives tested, under
nominal conditions, using 5.0V and 12.0V input voltage at 25°C ambient temperature.
Table 2DC power requirements
6.0Gb mode
Voltage+5V+12VWatts
Regulation± 5%Total
Avg Idle Current *0.4180.4527.52
Advanced Idle Current *
Idle_A0.4220.4747.80
Idle_B0.3270.3926.33
Idle_C0.3350.2354.49
Standby0.1500.0010.80
Maximum Start Current
DC (peak DC)--1.8--
Peak operating current (random read):
Typical DC0.4390.82012.03
Maximum DC0.4440.82512.11
Peak operating current (random write)
Typical DC0.4550.72510.97
Maximum DC0.4600.72811.04
Peak operating current (sequential read)
Typical DC0.4390.4757.90
Maximum DC0.4440.4777.94
Peak operating current (sequential write)
Typical DC0.6060.4989.01
Maximum DC0.6110.5009.06
* 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 SkyHawk AI Product Manual, Rev. B10
www.seagate.comDrive Specifications
2.5.1.1Typical current profiles
Figure 1 Typical 5V and 12V startup and operation current profiles
2.5.2Conducted noise
Input noise ripple is measured at the host system power supply across an equivalent 80-ohm resistive load on the +12 volt line or an
equivalent 15-ohm resistive load on the +5 volt line.
• Using 12-volt power, the drive is expected to operate with a maximum of 120 mV peak-to-peak square-wave injected noise at up to
10MHz.
• Using 5-volt power, the drive is expected to operate with a maximum of100 mV peak-to-peak square-wave injected noise at up to
10MHz.
Note
2.5.3Voltage tolerance
Voltage tolerance (including noise):
5V +10/ -5%12V ± 10%
Equivalent resistance is calculated by dividing the nominal voltage by the typical RMS read/write current.
Seagate SkyHawk AI Product Manual, Rev. B11
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