Seagate ST340211AS, ST3120811AS, ST3120211AS Barracuda 7200.9 Serial ATA Product Manual, Rev. C

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Drive specification	ST3120811AS	ST3120211AS

Vibration, nonoperating	5–22 Hz: 0.25 Gs, Limited displacement
	22–350 Hz: 5.0 Gs
	350–500 Hz:: 1.0 Gs

Drive acoustics, sound power (bels)
Idle**	2.7 (typical)
	2.8 (max)
Seek	2.9 (typical)
	3.1 (max)

Nonrecoverable read errors	1 per 1014 bits read
Annualized Failure Rate (AFR)	0.34%

Warranty	5 years on distribution units.
	To determine the warranty for a specific drive, use a web browser to
	access the following web page:
	www.seagate.com/support/service/
	From this page, click on the “Verify Your Warranty” link. You 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
	your drive.

Contact start-stop cycles	50,000
(25°C, 50% rel. humidity)

Supports Hotplug operation per SATA II	Yes
specification

*One Gbyte equals one billion 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.

Barracuda 7200.9 Serial ATA Product Manual, Rev. C

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Contents Barracuda 7200.9 Serial ATA Page Contents Barracuda 7200.9 Serial ATA Product Manual, Rev. C List of Figures Page Introduction About the Serial ATA interface Specification summary tables Drive specificationsDrive specification ST3160811AS ST3160211AS Drive specifications summary for 160 Gbyte modelsBarracuda 7200.9 Serial ATA Product Manual, Rev. C Drive specification ST3120811AS ST3120211AS Drive specifications summary for 120 Gbyte modelsBarracuda 7200.9 Serial ATA Product Manual, Rev. C Drive specification ST380811AS ST380211AS ST340211AS Drive specifications summary for 80 and 40 Gbyte modelsBarracuda 7200.9 Serial ATA Product Manual, Rev. C LBA mode Default logical geometryFormatted capacity Cylinders Read/write heads Sectors per track 16,383Recording and interface technology Physical characteristicsStart/stop times Seek timeTypical seek times msec Read Write Power specifications Conducted noise Typical current profilesVoltage tolerance Active mode Power-management modesIdle mode Sleep modeEnvironmental specifications Vibration AcousticsOperating vibration Nonoperating vibrationReliability Electromagnetic immunityRadio frequency environments Test Description Performance level Reference standardAgency certification Safety certificationElectromagnetic compatibility Korean RRLFCC verification Environmental protectionEuropean Union Restriction of Hazardous Substances RoHS Corrosive environment Barracuda 7200.9 Serial ATA 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 viewBarracuda 7200.9 Serial ATA Product Manual, Rev. C Hot-Plug compatibility Serial ATA Sata interfaceSerial ATA connector pin definitions Serial ATA device plug connector pin definitionsSignal Pin Function DefinitionSupported 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 commandM.A.R.T. commands 3 S.M.A.R.T. commandsCode in features register A.R.T. command Barracuda 7200.9 Serial ATA Product Manual, Rev. C Internet Seagate Technology support servicesPresales Support Technical SupportData Recovery Services Authorized Service Centers Warranty ServiceData Recovery Services Call Center Toll-free Direct dial Index RRL Sata Barracuda 7200.9 Serial ATA Product Manual, Rev. C Page Seagate Technology LLC