Seagate ST3500841NS Specifications

NL35.2 Series Serial ATAST3500841NSST3500641NS

NL35.2 Series SATA Product Manual, Rev. A 11.0 IntroductionThis manual describes the functional, mechanical and interface specifications for the follo

2 NL35.2 Series SATA Product Manual, Rev. A1.1 About the Serial ATA interfaceThe Serial ATA interface provides several advantages over the traditional

NL35.2 Series SATA Product Manual, Rev. A 32.0 Drive specificationsUnless otherwise noted, all specifications are measured under ambient conditions, a

4 NL35.2 Series SATA Product Manual, Rev. A2.3 Recording and interface technology2.4 Physical characteristics 2.5 Seek timeSeek measurements are take

NL35.2 Series SATA Product Manual, Rev. A 52.6 Start/stop times2.7 Power specificationsThe drive receives DC power (+5V or +12V) through a native SATA

6 NL35.2 Series SATA Product Manual, Rev. A2.7.1.1 Typical current profileFigure 1. Typical 12V startup and operation current profile2.7.2 Conducted n

NL35.2 Series SATA Product Manual, Rev. A 72.7.4 Power-management modesThe drive provides programmable power management to provide greater energy effi

8 NL35.2 Series SATA Product Manual, Rev. A2.8 Environmental specifications2.8.1 Ambient temperatureAmbient temperature is defined as the temperature

NL35.2 Series SATA Product Manual, Rev. A 92.8.5.2 Nonoperating shockThe nonoperating shock level that the drive can experience without incurring phys

10 NL35.2 Series SATA Product Manual, Rev. A2.10 Electromagnetic immunityWhen properly installed in a representative host system, the drive operates w

NL35.2 Series SATA Product Manual, Rev. A 112.12 Agency certification2.12.1 Safety certificationThe drives are recognized in accordance with UL 1950 a

12 NL35.2 Series SATA Product Manual, Rev. ARadio and television interference. This equipment generates and uses radio frequency energy and if notinst

NL35.2 Series SATA Product Manual, Rev. A 132.14 Corrosive environmentSeagate electronic drive components pass accelerated corrosion testing equivalen

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NL35.2 Series SATA Product Manual, Rev. A 153.0 Configuring and mounting the driveThis section contains the specifications and instructions for config

16 NL35.2 Series SATA Product Manual, Rev. A3.2 Configuring the driveEach drive on the Serial ATA interface connects in a point-to-point configuration

NL35.2 Series SATA Product Manual, Rev. A 173.4 Drive mountingYou can mount the drive in any orientation using four screws in the side-mounting holes

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NL35.2 Series SATA Product Manual, Rev. A 194.0 Serial ATA (SATA) interfaceThese drives use the industry-standard Serial ATA interface that supports F

NL35.2 Series Serial ATAST3500841NSST3500641NS

20 NL35.2 Series SATA Product Manual, Rev. A4.2 Serial ATA device plug connector pin definitionsTable 4 summarizes the signals on the Serial ATA inter

NL35.2 Series SATA Product Manual, Rev. A 214.3 Supported ATA commandsThe following table lists Serial ATA standard commands that the drive supports.

22 NL35.2 Series SATA Product Manual, Rev. ASecurity Erase Unit F4HSecurity Freeze F5HSecurity Set Password F1HSecurity Unlock F2HSeek 70HSet Features

NL35.2 Series SATA Product Manual, Rev. A 234.3.1 Identify Device commandThe Identify Device command (command code ECH) transfers information about th

24 NL35.2 Series SATA Product Manual, Rev. A60–61 Total number of user-addressable LBA sectors available(see Section 2.1 for related information)*Note

NL35.2 Series SATA Product Manual, Rev. A 25Note. Advanced Power Management (APM) and Automatic Acoustic Management (AAM) features are not supportedNo

26 NL35.2 Series SATA Product Manual, Rev. A4.3.2 Set Features commandThis command controls the implementation of various features that the drive supp

NL35.2 Series SATA Product Manual, Rev. A 274.3.3 S.M.A.R.T. commandsS.M.A.R.T. provides near-term failure prediction for disc drives. When S.M.A.R.T.

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NL35.2 Series SATA Product Manual, Rev. A 295.0 Seagate Technology support servicesOnline servicesInternetwww.seagate.com for information about Seagat

©2006, Seagate Technology LLC All rights reservedPublication number: 100390104, Rev. AJanuary 2006Seagate, Seagate Technology, and the Seagate logo ar

30 NL35.2 Series SATA Product Manual, Rev. ACustomer Service OperationsWarranty ServiceSeagate offers worldwide customer support for Seagate drives. S

NL35.2 Series SATA Product Manual, Rev. A 31European support servicesFor presales and technical support in Europe, dial the Seagate Service Center tol

32 NL35.2 Series SATA Product Manual, Rev. AAsia/Pacific support servicesFor Asia/Pacific presales and technical support, dial the toll-free number fo

NL35.2 Series SATA Product Manual, Rev. A 33Publication feedback surveyWe are interested in your comments and suggestions regarding this publication.

34 NL35.2 Series SATA Product Manual, Rev. A

NL35.2 Series SATA Product Manual, Rev. A 35IndexAACA 11acceleration 9acoustics 9Active 7Active mode 7actuator arm 5AFR 10Agency certifi

36 NL35.2 Series SATA Product Manual, Rev. AHHandling precautions 15heads 3humidity 8II/O data-transfer rate 4Identify Device 21Identify Dev

NL35.2 Series SATA Product Manual, Rev. A 37SS.M.A.R.T. Disable Operations 22S.M.A.R.T. Enable/Disable Autosave 22S.M.A.R.T. Enagle Operations 2

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NL35.2 Series SATA Product Manual, Rev. A iii

Seagate Technology LLC920 Disc Drive, Scotts Valley, California 95066-4544, USAPublication Number: 100390104, Rev. A, Printed in USA

iv NL35.2 Series SATA Product Manual, Rev. A

NL35.2 Series SATA Product Manual, Rev. A vContents1.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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NL35.2 Series SATA Product Manual, Rev. A viiList of FiguresFigure 1. Typical 12V startup and operation current profile . . . . . . . . . . . . . . .