Formatted capacity, LBA mode | Seagate ST3400832ACE, ST3200826ACE

2.2Formatted capacity

	Formatted	Guaranteed
Model	capacity	sectors	Bytes per sector

ST3400832ACE	400 Gbytes	781,422,768	512

ST3300831ACE	300 Gbytes	586,072,368	512

ST3250823ACE	250 Gbytes	488,397,168	512

ST3200826ACE	200 Gbytes	390,721,968	512

2.2.1LBA mode

When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1,where n is the number of guaranteed sectors as defined above.

See Section 4.1.2, "Identify Device command" (words 60-61 and 100-103) for additional information about 48- bit addressing support of drives with capacities over 137 Gbytes.

2.3	Recording and interface technology

Interface		ATA

Recording method		16/17 EPRML

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

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

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

Internal data-transfer rate OD (Mbytes/sec max)		95

Sustained data transfer rate OD (Mbytes/sec max)		65.0

I/O data-transfer rate (Mbytes/sec max)		100 (Ultra DMA mode 5)

Interleave		1:1

Cache buffer
ST3400832ACE, ST3300831ACE, ST3250823ACE and ST3200826ACE		8 Mbytes (8,192 kbytes)

DB35 Series Product Manual, Rev. B

5

Image 15

Seagate ST3400832ACE, ST3200826ACE, ST3250823ACE manual Formatted capacity, Recording and interface technology, LBA mode

Contents

DB35 Series Page DB35 Series Page Revision status summary sheet DB35 Series Product Manual, Rev. B Contents DB35 Series Product Manual, Rev. B List of Figures Viii DB35 Series Product Manual, Rev. B DB35 Series Introduction DB35 Series Product Manual, Rev. B Drive specifications Specification summary tableDrive specifications Altitude, nonoperating To 12,192 m Below mean sea level, max LBA mode Formatted capacityRecording and interface technology Typical seek times Physical characteristicsSeek time Start/stop times Power specifications Typical current profile Conducted noiseVoltage tolerance Environmental specifications Altitude Temperature gradientWet bulb temperature Humidity Relative humidity Operating acoustics AcousticsElectromagnetic immunity Nonoperating vibration Electromagnetic compatibility Safety certificationReliability Agency certification European Union Restriction of Hazardous Substances RoHS Environmental protectionAustralian C-Tick N176 FCC verification DB35 Series Product Manual, Rev. B Handling and static discharge precautions Configuring and mounting the drive Breather filter hole location Breather filter hole precautions Cable-select option Jumper settingsMaster/slave configuration Drive as master with a non-ATA-compatible slave Ultra ATA/100 cable Drive mounting Mounting dimensions-top, side and end view DB35 Series Product Manual, Rev. B ATA interface ATA interface signals and connector pins Command name Command code in hex Supported ATA commands F6H Word Description Value Identify Device command XxxxH Description if bit is set to Bit Word 4 S.M.A.R.T. commands Set Features command Code in features Register A.R.T. command Technical Support Seagate Technology support servicesInternet MySeagate Reseller.seagate.com Presales Support Authorized Service Centers Warranty Service Call Center Toll-free Direct dial FAX / E-mail Call Center Toll-free Direct dialAmericas +1-405-324-47301 +1-405-324-4704 Americas SEAGATE2 +1-405-324-47002 +1-405-324-3339 FAX Services-All Europe toll call Call Center Presales and Technical Support Warranty ServiceToll-Free Support Numbers Asia/Pacific Support Services DB35 Series Product Manual, Rev. B Numerics IndexPage Page DB35 Series Product Manual, Rev. B Page Seagate Technology LLC