Seagate ST3500320SV, ST31000340SV Recording and interface technology, Physical characteristics

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2.4Recording and interface technology

Models	ST31000340SV, ST3750330SV & ST3500320SV	ST3250310SV

Interface	Serial ATA (SATA)

Recording method	Perpendicular

Recording density (kbits/inch max)	1,090	1,049

Track density (ktracks/inch avg)	150	155

Areal density (Gbits/inch2 avg)	164	163
Internal data transfer rate (Mbits/sec max)	1,287	1,212

Sustained data transfer rate (Mbytes/sec max)	105	106

I/O data-transfer rate (Mbytes/sec max)	300

2.5Physical characteristics

Drive specification

Maximum height	(1000GB, 750GB, 500GB models)
	mm)	26.10
	(inches)	1.028

Maximum height	(250GB model only)
	mm)	20.20
	(inches)	0.794

Maximum width	(mm)
	(mm)	101.85
	(inches)	101.85
	(inches)	4.010
		4.010

Maximum length
	(mm)	146.99
	(inches)	5.787

Typical weight
1000 GB models		677 grams (1.493 lbs)
	750 GB models	633 grams (1.396 lbs)
	500 GB models	544 grams (1.199 lbs)
	250 GB models	380 grams (0.838 lbs)

Cache Size	ST31000340SV	32 Mbytes
	ST31000340SV	32 Mbytes
	ST3750330SV
	ST3500320SV

ST3250310SV

8 Mbytes

SV35.3 Series Serial ATA Product Manual, Rev. B

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Contents ST31000340SV ST3750330SV ST3500320SV ST3250310SV SV35.3 Series Serial ATARevision Date Revision historyContents SV35.3 Series Serial ATA Product Manual, Rev. B List of Figures Page Introduction About the Serial ATA interface Specification summary tables Drive specificationsDrive specification ST31000340SV ST3750330SV ST3500320SV System will display the warranty information for your drive Drive specification ST3250310SV Drive specifications summary for 250 Gbyte modelsTem will display the warranty information for your drive Cylinders Read/write heads Sectors per track Default logical geometryLBA mode Formatted capacityModels ST31000340SV, ST3750330SV & ST3500320SV ST3250310SV Physical characteristicsDrive specification Recording and interface technologyTB models GB models Seek timeStart/stop times Typical seek times msec Read WritePower specifications DC power requirements Voltage tolerance Conducted noiseSleep mode Power-management modesActive mode Idle modeEnvironmental specifications Nonoperating shock 1 disc models ShockOperating shock Nonoperating shock 4, 3 and 2 disc modelsRadio frequency environments AcousticsElectromagnetic immunity Fluid Dynamic Bearing FDB motor acousticsReliability Agency certification China Restriction of Hazardous Substances RoHS Directive Environmental protectionCorrosive environment SV35.3 Series Serial ATA Product Manual, Rev. B Handling and static-discharge precautions Configuring and mounting the driveSerial ATA cables and connectors Configuring the driveDrive mounting Mounting dimensions-top, side and end viewSV35.3 Series Serial ATA Product Manual, Rev. B Hot-Plug compatibility Serial ATA Sata interfacePower Serial ATA device plug connector pin definitionsSerial ATA connector pin definitions SignalPage Supported ATA commands Supported ATA commandsCommand name Command code in hex F6H E8H Word Description Value Identify Device commandXxxxH Xx3FH Bit Word Description if bit is set to Bit WordSet Features command values Set Features commandF1 H 3 S.M.A.R.T. commands A.R.T. commandsCode in features register A.R.T. command SV35.3 Series Serial ATA Product Manual, Rev. B Internet Presales SupportTechnical Support Warranty Service Data Recovery Services Authorized Service CentersData Recovery Services Call Center Toll-free Direct dialFAX Index ITE Page SV35.3 Series Serial ATA Product Manual, Rev. B Page Seagate Technology LLC