Seagate ST3500641NS, ST3500841NS manual Sata

Page 39

S.M.A.R.T. Read Attribute Thresholds 22

S.M.A.R.T. Read Data

22

 

S.M.A.R.T. Read Log Sector

22

S.M.A.R.T. Return Status 22

S.M.A.R.T. Save Attribute Values 22

S.M.A.R.T. Write Log sector

22

Safety certification

11

 

 

SATA

4,

19

 

 

 

 

 

screws

8

 

 

 

 

 

 

sector

3

 

 

 

 

 

 

 

sectors

3

 

 

 

 

 

 

Sectors per track

3

 

 

Security Disable Password

21

Security Erase Prepare

21

 

Security Erase Unit

22

 

 

Security Freeze

22

 

 

Security Set Password

22

 

Security Unlock

22

 

 

Seek 22

 

 

 

 

 

 

 

seek mode

5

 

 

 

 

 

Seek mode power

5

 

 

Seek time

4

 

 

 

 

 

Seeking

5

 

 

 

 

 

 

Serial ATA

4

 

 

 

 

 

Serial ATA (SATA) interface

19

serial ATA ports

2

 

 

 

Servo electronics

5

 

 

servo electronics

5

 

 

Set Features

22

 

 

 

 

Set Max Address

22

 

 

Set Max Address Extended

22

Set Multiple Mode

22

 

 

Shock

8

 

 

 

 

 

 

 

single-track seeks

4

 

 

Sleep 5, 7, 22

 

 

 

Sleep mode

7

 

 

 

 

Spindle speed

4

 

 

 

 

spindle stop

5

 

 

 

 

Spinup

5

 

 

 

 

 

 

Spinup power

5

 

 

 

 

Standby 5, 7, 22

 

 

Standby Immediate

22

 

 

Standby mode

5,

7

 

 

standby timer

7

 

 

 

 

Standby to Ready

5

 

 

Start/stop times

5

 

 

 

start-stop cycles

10

 

 

static-discharge

15

 

 

support services

29

 

 

Surge immunity

10

 

 

T

technical support services 29 temperature 4, 8 temperature gradient 8

timer 7 timers 7 Track density 4 Track-to-track 4

Track-to-track seek time 4

Tunneling Magnetoresistive (TMR) heads 1 TUV North America 11

U

UL 1950 11

V

Vibration 9 voltage 5

Voltage dips, interrupts 10 Voltage tolerance 6

W

wet bulb temperature

8

 

 

 

Write Buffer

22

 

 

 

 

Write DMA 22

 

 

 

 

Write DMA Extended

22

 

 

 

Write DMA FUA Extended

22

 

Write DMA Without Retries

22

Write Log Extended

22

 

 

 

Write Multiple

22

 

 

 

 

Write Multiple Extended

22

 

Write Multiple FUA Extended

22

Write Sectors

22

 

 

 

 

Write Sectors Extended

22

 

 

Write Sectors Without Retries

22

NL35 Series 7200.2 SATA Product Manual, Rev. C

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Page 38 Page 40
Contents ST3500841NS ST3500641NS NL35 Series 7200.2 Serial ATAPage Contents NL35 Series 7200.2 Sata Product Manual, Rev. C List of Figures Page NL35 Series 7200.2 Serial ATA IntroductionAbout the Serial ATA interface Formatted capacity Drive specificationsDefault logical geometry LBA modeTypical seek times msec Read Write Physical characteristicsRecording and interface technology Seek timeStart/stop times Power specificationsTypical current profile Conducted noiseVoltage tolerance Sleep mode Power-management modesActive mode Idle modeEnvironmental specifications Nonoperating vibration AcousticsVibration Operating vibrationTest Description Performance level Reference standard Electromagnetic immunityReliability Radio frequency environmentsAgency certification Environmental protection Corrosive environment NL35 Series 7200.2 Sata Product Manual, Rev. C Handling and static-discharge precautions Configuring and mounting the driveSerial ATA cables and connectors Configuring the driveDrive mounting Mounting dimensions-top, side and end viewNL35 Series 7200.2 Sata Product Manual, Rev. C Hot-Plug compatibility Serial ATA Sata interfacePin Function Definition Serial ATA device plug connector pin definitionsSerial ATA connector pin definitions SignalSupported ATA commands Supported ATA commandsCommand name Command code in hex F4H Word Description Value Identify Device commandXx07H Bit Word Description if bit is set to Bit WordSet Features command values Set Features commandCode in features register A.R.T. command 3 S.M.A.R.T. commandsA.R.T. commands 3.1 S.M.A.R.T. Command Transport SCTNL35 Series 7200.2 Sata Product Manual, Rev. C Technical Support Seagate Technology support servicesInternet Presales SupportWarranty Service Data Recovery Services Authorized Service CentersData Recovery Services Call Center Toll-free Direct dial Index RRL Sata NL35 Series 7200.2 Sata Product Manual, Rev. C Page Seagate Technology LLC
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Manual 2 pages 620 b

ST3500641NS, ST3500841NS specifications

The Seagate ST3500841NS and ST3500641NS are robust hard drives specifically designed for enterprise environments, catering to the demanding needs of data centers, server farms, and storage solutions. These drives are part of Seagate's enterprise series and reflect a commitment to reliability, performance, and capacity.

One of the main features of the ST3500841NS and ST3500641NS is their impressive storage capacity. The ST3500841NS offers 500GB of storage, while the ST3500641NS provides a slightly lower capacity at 640GB. Both drives utilize a standard 3.5-inch form factor, making them suitable for a variety of server and storage configurations. They operate at a high spindle speed of 7200 RPM, which contributes to faster data access and overall improved performance compared to traditional 5400 RPM drives.

These drives are designed to sustain high workloads and feature a mean time between failures (MTBF) rating that ensures reliability over extended periods of operation. With their enhanced error correction capabilities, data integrity is maintained even under heavy loads, making these drives ideal for use in critical applications where data loss is not an option.

The integration of technologies such as Native Command Queuing (NCQ) enhances the performance of these drives in multi-user environments. NCQ allows the drive to optimize the order of read and write commands, reducing latency and improving overall throughput. Furthermore, the ST3500841NS and ST3500641NS both feature an SATA interface, supporting speeds of up to 3.0 Gb/s, which is the standard for modern storage solutions.

Another noteworthy characteristic of these drives is their energy efficiency. Despite their robust performance, the ST3500841NS and ST3500641NS are designed to consume less power, thereby reducing operational costs and contributing to a more sustainable data center environment.

In summary, the Seagate ST3500841NS and ST3500641NS are purpose-built for enterprise applications, offering a blend of capacity, performance, and reliability. Their advanced technologies, coupled with impressive MTBF ratings and energy efficiency, make them suitable for critical applications in various high-demand environments. Whether utilized in small server systems or large-scale data centers, these drives provide the robust performance that businesses require in today’s data-driven landscape.
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