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Seagate ST3500630NS, ST3250820NS, ST3250620NS Drive specifications, Specification summary tables

Models: ST3320820NS ST3320620NS ST3250620NS ST3750840NS ST3750640NS ST3250820NS ST3500630NS ST3400620NS ST3500830NS ST3400820NS

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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:

ST3750640NS	ST3500630NS	ST3400620NS	ST3320620NS	ST3250620NS
ST3750840NS	ST3500830NS	ST3400820NS	ST3320820NS	ST3250820NS

2.1Specification summary tables

The specifications listed in the following tables are for quick reference. For details on specification measure- ment or definition, see the appropriate section of this manual.

Barracuda ES Serial ATA Product Manual, Rev. D

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Seagate ST3500630NS, ST3250820NS, ST3250620NS, ST3320620NS, ST3750640NS Drive specifications, Specification summary tables

Contents

Barracuda ES Serial ATA Revision Date Revision history Contents Barracuda ES Serial ATA Product Manual, Rev. D List of Figures Page Introduction About the Serial ATA interface Specification summary tables Drive specifications Drive specification ST3750640NS ST3750840NS Drive specifications summary for 750 Gbyte models Barracuda ES Serial ATA Product Manual, Rev. D Drive specification ST3500630NS ST3500830NS Drive specifications summary for 500 Gbyte models Following web Drive specification ST3400620NS ST3400820NS Drive specifications summary for 400 Gbyte models Barracuda ES Serial ATA Product Manual, Rev. D Drive specification ST3320620NS ST3320820NS Drive specifications summary for 320 Gbyte models Barracuda ES Serial ATA Product Manual, Rev. D Drive specification ST3250620NS ST3250820NS Drive specifications summary for 250 Gbyte models Barracuda ES Serial ATA Product Manual, Rev. D LBA mode Default logical geometryFormatted capacity Cylinders Read/write heads Sectors per track 16,383 Physical characteristics Recording and interface technology750GB 500GB 400GB 320GB 250GB Seek time Start/stop timesTypical seek times msec Read Write Power specifications Typical current profiles Conducted noiseVoltage tolerance Active mode Power-management modesIdle mode Sleep mode Environmental specifications Vibration AcousticsOperating vibration Nonoperating vibration Electromagnetic immunity Radio frequency environmentsTest Description Performance level Reference standard Reliability Safety certificationAgency certification Electromagnetic compatibility Korean RRL Australian C-Tick N176FCC verification Environmental protection Corrosive environmentChina Restriction of Hazardous Substances RoHS Directive Barracuda ES Serial ATA Product Manual, Rev. D Handling and static-discharge precautions Configuring and mounting the drive Serial ATA cables and connectors Configuring the drive Drive mounting Mounting dimensions-top, side and end view Barracuda ES Serial ATA Product Manual, Rev. D Hot-Plug compatibility Serial ATA Sata interface Serial ATA connector pin definitions Serial ATA device plug connector pin definitionsSignal Pin Function Definition Supported ATA commands Supported ATA commandsCommand name Command code in hex F4H Word Description Value Identify Device command Xx07H 128 Security status 0001H 129 Seagate-reserved Bit Word Description if bit is set to Bit Word Set Features command values Set Features command 3 S.M.A.R.T. commands M.A.R.T. commandsCode in features register A.R.T. command Internet Presales SupportTechnical Support Warranty Service Data Recovery Services Authorized Service CentersData Recovery Services Call Center Toll-free Direct dial Index ITE Page Barracuda ES Serial ATA Product Manual, Rev. D Page Disc Drive, Scotts Valley, California 95066-4544, USA