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Seagate ST3750840NS, ST3250820NS manual Disc Drive, Scotts Valley, California 95066-4544, USA

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

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Seagate Technology LLC

920Disc Drive, Scotts Valley, California 95066-4544, USA

Publication Number: 100424667, Rev. D, Printed in U.S.A.

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Seagate ST3750840NS, ST3250820NS, ST3250620NS, ST3320620NS, ST3750640NS Disc Drive, Scotts Valley, California 95066-4544, USA

Contents

Barracuda ES Serial ATA Revision history Revision Date Contents Barracuda ES Serial ATA Product Manual, Rev. D List of Figures Page Introduction About the Serial ATA interface Drive specifications Specification summary tables Drive specifications summary for 750 Gbyte models Drive specification ST3750640NS ST3750840NS Barracuda ES Serial ATA Product Manual, Rev. D Drive specifications summary for 500 Gbyte models Drive specification ST3500630NS ST3500830NS Following web Drive specifications summary for 400 Gbyte models Drive specification ST3400620NS ST3400820NS Barracuda ES Serial ATA Product Manual, Rev. D Drive specifications summary for 320 Gbyte models Drive specification ST3320620NS ST3320820NS Barracuda ES Serial ATA Product Manual, Rev. D Drive specifications summary for 250 Gbyte models Drive specification ST3250620NS ST3250820NS Barracuda ES Serial ATA Product Manual, Rev. D Formatted capacity Default logical geometryLBA mode 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 Idle mode Power-management modesActive mode Sleep mode Environmental specifications Operating vibration AcousticsVibration Nonoperating vibration Electromagnetic immunity Radio frequency environmentsTest Description Performance level Reference standard Agency certification Safety certificationReliability 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 Configuring and mounting the drive Handling and static-discharge precautions Configuring the drive Serial ATA cables and connectors Mounting dimensions-top, side and end view Drive mounting Barracuda ES Serial ATA Product Manual, Rev. D Serial ATA Sata interface Hot-Plug compatibility Signal Serial ATA device plug connector pin definitionsSerial ATA connector pin definitions Pin Function Definition Supported ATA commands Supported ATA commandsCommand name Command code in hex F4H Identify Device command Word Description Value Xx07H 128 Security status 0001H 129 Seagate-reserved Description if bit is set to Bit Word Bit Word Set Features command Set Features command values 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