Seagate ST9320310AS, ST9640320AS, ST9640322AS Drive specifications for 320, 250 and 160GB models

Page 12

Table 2:

Drive specifications for 320, 250 and 160GB models

 

 

 

 

 

 

 

Drive specification

ST9320312AS

ST9320310AS

ST9250310AS

ST9160316AS

 

 

 

 

 

Formatted GB*

320

 

250

160

 

 

 

 

 

guaranteed logical blocks

625,142,448

 

488,397,168

312,581,808

 

 

 

 

 

bytes per physical sector

4096

512

512

512

 

 

 

 

 

Physical read/write heads

2

 

 

1

 

 

 

 

 

 

Discs

 

1

 

 

 

 

 

 

 

 

 

Cache (MB)

 

8

 

 

 

 

 

 

 

 

Recording density in BPI (bits/in avg)

1560k

 

 

 

 

 

 

 

 

Track density TPI (tracks/in avg)

325k

 

 

 

 

 

 

 

 

Areal density (Gb/in2 avg)

507

 

 

 

Spindle speed (RPM)

5400

 

 

 

 

 

 

 

 

Average latency (ms)

5.2

 

 

 

 

 

 

 

 

Internal transfer rate (Mb/s max)

1175

 

 

 

 

 

 

 

 

I/O data transfer rate (MB/s max)

300

 

 

 

 

 

 

 

ATA data-transfer modes supported

SATA 1.0, Serial ATA Revision 2.6

 

 

 

 

PIO modes 0–4

 

 

 

 

 

Multiword DMA modes 0–2

 

 

 

 

Ultra DMA modes 0–6

 

 

Height

 

9.5 +/- 0.2 mm (0.374 +/-.008in)

 

 

 

 

 

 

 

Width

 

69.85 mm +/- 0.25 mm (2.75 +/- 0.010in)

 

 

 

 

 

 

Length

 

100.35 + 0.20 / - 0.25 mm (3.951 + 0.008 / - 0.010in)

 

 

 

 

 

 

 

Weight

 

<100 g (0.220 lb)

 

 

 

 

 

 

 

 

Power-on to ready (sec typical)

3.6

 

 

 

 

 

 

 

 

Power-on to ready (sec max)

4.5

 

 

 

 

 

 

 

 

Standby to ready (sec typical)

2.5

 

 

 

 

 

 

 

 

Standby to ready (sec max)

3.5

 

 

 

 

 

 

 

 

Track-to-track seek time, read (ms typical)

1.5

 

 

 

 

 

 

 

 

Average seek, read (ms typical)

13.0

 

 

 

 

 

 

 

 

Full-stroke seek, read (ms max)

27.0

 

 

 

 

 

 

 

 

Startup current, +5V (max)

1.0A

 

 

 

 

 

 

 

 

Seek power (typical)

1.3W

 

 

 

 

 

 

 

Read/write power (typical)

Read: 1.25W; Write: 1.65W

 

 

 

 

 

 

 

Idle mode, low power (typical)

0.47W

 

 

 

 

 

 

 

 

 

Standby mode

 

0.12W (typical)***

 

 

 

 

 

 

 

 

 

Sleep mode

 

0.12W (typical)***

 

 

 

 

 

 

 

 

Voltage tolerance (including noise)

+5V ± 5%

 

 

 

 

 

 

Ambient temperature

0° to 60°C (operating), –40° to 70°C (nonoperating)

 

 

 

 

 

 

Temperature gradient

20°C (operating)

 

 

 

(°C per hour max)

35°C (nonoperating)

 

 

 

 

 

 

 

Relative humidity

5% to 95% (operating)

 

 

 

 

5% to 95% (nonoperating)

 

 

Relative humidity gradient

30% per hour max

 

 

 

 

 

 

 

 

Wet bulb temperature

37.7 (operating)

 

 

 

(°C max)

 

40 (nonoperating)

 

 

 

 

 

 

 

Altitude, operating

–304.8 m to 3048 m (–1000 ft to 10,000 ft)

 

 

 

 

 

 

Altitude, nonoperating

–304.8 m to 12,192 m (–1000 ft to 40,000 ft)

 

 

(meters below mean sea level, max)

 

 

 

 

 

 

 

 

 

Shock, operating (Gs max at 2ms)

350

 

 

 

 

 

 

 

 

 

6

Momentus Product Manual, Rev. D

Page 11 Page 13
Image 12
Page 11 Page 13
Contents Momentus Revision history Revision DateContents Momentus Product Manual, Rev. D List of Figures Page Seagate Technology support services Seagate Online Support and ServicesIntroduction 4K byte/sector modelsByte/sector models About the Serial ATA interface Drive specifications Specification summary tableDrive specifications for 640, 500 and 400GB models To 12,192 m -1000 ft to 40,000 ft Drive specifications for 320, 250 and 160GB models Drive specifications for 320, 250 and 160GB models Default logical geometry LBA modeFormatted capacity Physical organizationPhysical characteristics Recording and interface technologySeek time Typical seek timesPower specifications Start/stop timesTypical current profile Deferred spinupConducted noise Voltage tolerancePower-management modes Power management modesActive mode Idle modeEnvironmental specifications Shock Operating shockNonoperating shock VibrationDrive A-weighted Sound Power Levels SWL, BA AcousticsElectromagnetic immunity Test for Prominent Discrete Tones PDTsSafety certification Measurement type SpecificationReliability Agency certificationKorean RRL Australian C-Tick N176FCC verification Environmental protection Corrosive environmentEuropean Union Restriction of Hazardous Substances RoHS China Restriction of Hazardous Substances RoHS DirectiveConfiguring and mounting the drive Handling and static-discharge precautionsConfiguring the drive Serial ATA cables and connectorsDrive mounting Top cover stiffness/deflectionMeasurements shown in are in inches Serial ATA connector pin definitions SignalSerial ATA Sata interface Segment Pin Function DefinitionPin Function Definition P10 Ground 2nd mate P11 ReservedSupported ATA commands Command name Command code in hex ATA-standard commandsCommand name Command code in hex ATA-standard security commandsIdentify Device command Word Description ValueXx07H Description if bit is set to Bit Set Features command Set Features command values3 S.M.A.R.T. commands M.A.R.T. commandsCode in features register A.R.T. command Momentus Product Manual, Rev. D Index Page Page Momentus Product Manual, Rev. D Page Seagate Technology LLC
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