Seagate ST3250823ACE, ST3200826ACE, ST3300831ACE Drive specifications, Specification summary table

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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 ST3400832ACE, ST3300831ACE, ST3250823ACE and ST3200826ACE model drives.

2.1Specification summary table

The specifications listed in this table are for quick reference. For details on specification measurement or defi- nition, see the appropriate section of this manual.

Table 1:	Drive specifications

Drive specification		ST3400832ACE		ST3300831ACE	ST3250823ACE	ST3200826ACE

Formatted Gbytes		400		300	250	200
(512 bytes/sector)

Guaranteed sectors		781,422,768		586,072,368	488,397,168	390,721,968

Bytes per sector		512

Default sectors per track		63

Default read/write heads		16

Default cylinders		16,383

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

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

Areal density,		91,560
(Mbits/in2 max)
Spindle speed (RPM)		7,200

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

Sustained data transfer rate OD (Mbytes/sec)		65

I/O data-transfer rate		100
(Mbytes/sec max)

ATA data-transfer modes supported		PIO modes 0–4
		Multiword DMA modes 0–2
		Ultra DMA modes 0–5

Cache buffer		8 Mbytes (8,192 kbytes)

Height (mm max)		26.11 mm (1.028 inches)

Width (mm max)		101.85 mm (4.010 inches)

Length (mm max)		146.99 mm (5.787 inches)

Weight (typical)		635 grams (1.39 lb.)

Average latency (msec)		4.16

Power-on to ready (sec max)		15.5 sec

Standby to ready (sec max)		14.0 sec

DB35 Series Product Manual, Rev. B

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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 IntroductionDB35 Series Product Manual, Rev. B Specification summary table Drive specificationsDrive specifications Altitude, nonoperating To 12,192 m Below mean sea level, max Formatted capacity LBA modeRecording and interface technology Seek time Physical characteristicsStart/stop times Typical seek timesPower specifications Conducted noise Typical current profileVoltage tolerance Environmental specifications Wet bulb temperature Temperature gradientHumidity Relative humidity AltitudeElectromagnetic immunity AcousticsNonoperating vibration Operating acousticsReliability Safety certificationAgency certification Electromagnetic compatibilityAustralian C-Tick N176 Environmental protectionFCC verification European Union Restriction of Hazardous Substances RoHSDB35 Series Product Manual, Rev. B Handling and static discharge precautions Configuring and mounting the driveBreather filter hole location Breather filter hole precautionsMaster/slave configuration Jumper settingsDrive as master with a non-ATA-compatible slave Cable-select optionUltra ATA/100 cable Drive mountingMounting dimensions-top, side and end view DB35 Series Product Manual, Rev. B ATA interface ATA interface signals and connector pinsCommand name Command code in hex Supported ATA commandsF6H Word Description Value Identify Device commandXxxxH Description if bit is set to Bit Word 4 S.M.A.R.T. commands Set Features commandCode in features Register A.R.T. command Internet MySeagate Reseller.seagate.com Seagate Technology support servicesPresales Support Technical SupportAuthorized Service Centers Warranty ServiceAmericas +1-405-324-47301 +1-405-324-4704 Call Center Toll-free Direct dialAmericas SEAGATE2 +1-405-324-47002 +1-405-324-3339 Call Center Toll-free Direct dial FAX / E-mailCall Center Presales and Technical Support Warranty Service FAX Services-All Europe toll callToll-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