Seagate ST3400820SCE, ST3250820SCE, ST3300820SCE DB35.3 Series Serial ATA Product Manual, Rev. D

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Drive specification	ST3750640SCE	ST3750840SCE

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
Idle**	2.8 bels (typical)
	3.0 bels (max)
CE seek profile	3.0 bels (typical)
	3.1 bels (max)

Nonrecoverable read errors	1 per 1014 bits read
Annualized Failure Rate (AFR)	0.68%

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 (25°C, 50% rel. humidity)	50,000

Supports Hotplug operation per Serial ATA Revision 2.5	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.

DB35.3 Series Serial ATA Product Manual, Rev. D

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Contents

DB35.3 Series Serial ATA Revision Date Sheets affected or comments Revision historyContents DB35.3 Series Serial ATA Product Manual, Rev. D List of Figures Page Introduction About the Serial ATA interface Specification summary tables Drive specificationsDrive specification ST3750640SCE ST3750840SCE Drive specifications summary for 750 Gbyte modelsDB35.3 Series Serial ATA Product Manual, Rev. D Drive specification ST3500830SCE ST3400820SCE Drive specifications summary for 500 and 400 Gbyte modelsFollowing web Drive specification ST3320820SCE ST3300820SCE Drive specifications summary for 320 and 300 Gbyte modelsDB35.3 Series Serial ATA Product Manual, Rev. D Drive specification ST3250820SCE Drive specifications summary for 250 Gbyte modelsInformation for your drive Cylinders Read/write heads Sectors per track 16,383 Default logical geometryLBA mode Formatted capacity750GB 500GB 400GB 320GB 300GB 250GB Physical characteristicsDrive specification Recording and interface technologyStart/stop times Power specificationsSeek time DC power requirements Operating power and currentIdle mode power Standby modeConducted noise Power-management modesActive mode Power modes Heads Spindle BufferIdle and Standby timers Idle modeSleep mode Environmental specifications Operating vibration Nonoperating shock Disc models4 Disc models VibrationIdle CE seek profile AcousticsFluid Dynamic Bearing FDB motor acoustics Agency certification Electromagnetic immunityReliability FCC verification Korean RRLAustralian C-Tick N176 RoHS MCV Environmental protectionPage Handling and static-discharge precautions Configuring and mounting the driveSerial ATA cables and connectors Configuring the driveDrive mounting Mounting dimensions-top, side and end viewDB35.3 Series Serial ATA Product Manual, Rev. D Hot-Plug compatibility Serial ATA Sata interfacePin Function Definition Serial ATA device plug connector pin definitionsSerial ATA connector pin definitions SignalCommand name Command code in hex Supported ATA commandsSupported ATA commands F4H Word Description Value Identify Device commandXx07H 159 160 ATA-reserved 0000H 254 255 Integrity word XxA5H 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. commandsM.A.R.T. commands Technical Support InternetPresales Support Data Recovery Services Call Center Toll-free Direct dial Warranty ServiceData Recovery Services Authorized Service Centers Index RRL Sata DB35.3 Series Serial ATA Product Manual, Rev. D Page Seagate Technology LLC