Seagate ST3200826AS, ST3250310ASIM Recording and interface technology, Physical characteristics

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2.4Recording and interface technology

Interface	Serial ATA (SATA)

Recording method	16/17 EPRML

Recording density BPI (bits/inch max)	763,000

Track density TPI (tracks/inch avg)	120,000

Areal density (Mbits/inch2 avg)	91,560
Spindle speed (RPM) (± 0.2%)	7,200

Internal data transfer rate (Mbytes/sec max)	95

Sustained transfer rate OD (Mbytes/sec max)	65

I/O data-transfer rate (Mbytes/sec max)	150 (SATA 1.0)

Interleave	1:1

Cache buffer
ST3400832AS	8 Mbytes (8,192 kbytes)
ST3300831AS
ST3250823AS
ST3200826AS
ST3400632AS	16 Mbytes (16,384 kbytes)
ST3300631AS
ST3250623AS

2.5Physical characteristics

Maximum height
(mm)	26.11
(inches)	1.028

Maximum width
(mm)	101.85
(inches)	4.010

Maximum length
(mm)	146.99
(inches)	5.787

Maximum weight
(grams)	635
(pounds)	1.39

Barracuda 7200.8 Serial ATA Product Manual, Rev. F

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Contents Barracuda 7200.8 Serial ATA Page Contents Barracuda 7200.8 Serial ATA Product Manual, Rev. F List of Figures Page Barracuda 7200.8 Serial ATA IntroductionAbout the Serial ATA interface Specification summary tables Drive specificationsDrive specification ST3400832AS ST3400632AS Drive specifications for 400 Gbyte modelsDrive specifications for 400 Gbyte models Drive specification ST3300831AS ST3300631AS Drive specifications for 300 Gbyte modelsWill be asked to provide the drive serial number, model Drive specification ST3250823AS ST3250623AS ST3200826AS Drive specifications for 250 and 200 Gbyte modelsTo access the following web LBA mode Default logical geometryFormatted capacity Cylinders Read/write heads Sectors per track 16,383Recording and interface technology Physical characteristicsTypical seek times msec Read Write Seek timeStart/stop times Power specifications Typical current profiles DC power requirementsActive mode Power-management modesIdle mode Sleep modeEnvironmental specifications Acoustics Reliability Electromagnetic immunityRadio frequency environments Test Description Performance level Reference standardAgency certification Safety certificationElectromagnetic compatibility Korean RRLFCC verification Australian C-Tick N176European Union Restriction of Hazardous Substances RoHS Environmental protectionCorrosive environment Barracuda 7200.8 Serial ATA Product Manual, Rev. F 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 7200.8 Serial ATA Product Manual, Rev. F Hot-Plug compatibility Serial ATA Sata interfaceSerial ATA connector pin definitions Serial ATA device plug connector pin definitionsSignal Pin Function DefinitionCommand name Command code in hex Supported ATA commandsSupported ATA commands F4H Word Description Value Identify Device commandXx07H 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 Barracuda 7200.8 Serial ATA Product Manual, Rev. F Technical Support InternetPresales Support Data Recovery Services Call Center Toll-free Direct dial Warranty ServiceData Recovery Services Authorized Service Centers Index Page Sata Page Page Seagate Technology LLC