Seagate ST920813AM, ST940813AM, ST940814AM Specifications for 40 and 30 Gbyte models, Aftermarket

Page 10

Table 1:

Specifications for 40 and 30 Gbyte models

 

 

 

 

 

 

 

 

 

 

Drive specification

ST940813AM

 

ST940814AM

ST930813AM

ST930814AM

(OEM)

 

(Aftermarket)

(OEM)

(Aftermarket)

 

 

 

 

 

 

 

 

 

Formatted (512 bytes/sector)*

40 Gbytes

 

30 Gbytes

 

 

 

 

 

 

 

Guaranteed sectors

78,140,160

 

 

58,605,120

 

 

 

 

 

 

 

Bytes per sector

512

 

 

 

 

 

 

 

 

 

 

Physical read/write heads

2

 

 

 

 

 

 

 

 

 

 

 

Discs

 

1

 

 

 

 

 

 

 

 

 

 

Cache

 

8 Mbytes

 

 

 

 

 

 

 

Recording density, BPI

540.1k bits/inch at ID

 

 

 

 

 

 

Track density. TPI

119k tracks/inch at ID

 

 

 

 

 

 

 

Areal density

 

64.3 Gbits/inch2 at ID

 

 

Spindle speed

 

5,400 RPM

 

 

 

 

 

 

 

Internal data transfer rate

321.1 Mbits/sec max

 

 

 

 

 

 

 

I/O data transfer rate

100 Mbytes/sec

 

 

 

 

 

ATA data-transfer modes supported

PIO modes 0–4; Multiword DMA modes 0–2; Ultra DMA modes 0–5

 

 

 

 

 

Height

 

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

 

 

 

 

 

 

Width

 

69.85 +/-0.25 mm (2.750 +/-0.010 inches)

 

 

 

 

 

Length

 

100.2 +/-0.25 mm (3.945 +/-0.010 inches)

 

 

 

 

 

 

Weight

 

100 grams (0.22 lb) (typical)

 

 

 

 

 

 

 

Average latency

5.6 msec

 

 

 

 

 

 

 

 

 

Power-on to ready

 

 

 

 

 

-20 to 85°C)

3.0 seconds (typical)

 

 

-30 to -20°C

15 seconds (typical)

 

 

 

3 sigma maximum at extreme temperature

30 seconds

 

 

 

 

 

 

 

 

 

Standby to ready

 

 

 

 

 

-20 to 85°C

 

3.0 seconds (typical)

 

 

-30 to -20°C

15 seconds (typical)

 

 

 

3 sigma maximum at extreme temperature

30 seconds

 

 

 

 

 

 

Track-to-track seek time

1.0 ms (read, typical), 1.5 ms (write, typical)

 

 

 

 

 

 

Average seek time

12.5 msec (typical)

 

 

 

 

 

 

 

 

Average seek, read

12.5 msec (typical)

 

 

 

 

 

 

 

 

Average seek, write

14.5 msec (typical)

 

 

 

 

 

 

 

Full-stroke seek

22 msec (typical); 24 msec (max)

 

 

 

 

 

 

 

Startup current 5V

1.1 amps (typical)

 

 

 

 

 

 

 

 

Seek power

 

1.90 watts / 0.38 amps (typical)

 

 

 

 

 

 

 

Read power

 

1.90 watts / 0.38 amps (typical)

 

 

 

 

 

 

 

Write power

 

1.70 watts / 0.34 amps (typical)

 

 

 

 

 

 

 

Idle mode

 

0.99 watts / 0.20 amps (typical)

 

 

 

 

 

 

 

Standby mode

 

0.26 watts / 0.05 amps (typical)***

 

 

 

 

 

 

 

Sleep mode

 

0.26 watts / 0.05 amps (typical)***

 

 

 

 

 

 

 

Voltage tolerance (including noise)

5V ± 5%

 

 

 

 

 

 

 

 

 

Ambient temperature

 

 

 

 

 

Operating

 

-30° to 85°C (OEM); -20° to 75°C (aftermarket);

 

Nonoperating

–40° to 95°C (OEM and aftermarket)

 

 

 

 

 

 

 

Temperature gradient

3°C (operating)

 

 

 

(°C per minute, max, noncondensing)

3°C (nonoperating)

 

 

 

 

 

 

 

Relative humidity (noncondensing)

5% to 90% (operating)

 

 

 

 

5% to 95% (nonoperating)

 

 

 

 

 

 

 

Relative humidity gradient

30% per hour max

 

 

 

 

 

 

 

 

 

 

4

EE25 Series Product Manual, Rev. E

Page 9 Page 11
Image 10
Page 9 Page 11
Contents EE25 Series Page Contents EE25 Series Product Manual, Rev. E List of Figures EE25 Series Product Manual, Rev. E Introduction EE25 Series Product Manual, Rev. E Drive specifications Specification summarySpecifications for 40 and 30 Gbyte models AftermarketVibration, nonoperating Specifications for 20 Gbyte models Drive specification ST920813AM ST920814AMEE25 Series Product Manual, Rev. E Formatted capacity Default logical geometryLBA mode Physical organizationRecording and interface technology Physical characteristicsTechnology Specification Seek timeMsec Typical Max Read seek times vs temperature 85C 25C 20C 30CStart/stop times 85C 25C 20C 30CPower specifications Conducted noise Typical current profileVoltage tolerance Idle mode Power-management modesActive mode Sleep modeEnvironmental specifications AltitudeOperating shock ShockNonoperating shock Vibration Acoustic mode Idle Normal Seek Performance SeekAcoustics Operating vibrationReliability Measurement type SpecificationElectromagnetic immunity Test Description Performance Reference Level StandardAgency certification Corrosive environment Environmental protectionEuropean Union Restriction of Hazardous Substances RoHS Page Jumper settings Configuring and mounting the driveHandling and static discharge precautions Master/slave configurationDrive mounting Cable-select optionCable Connector Signal Name Conductor Contact ATA interface signals and connector pinsSignal Name Connector Cable Contact Conductor ATA interfaceSupported ATA commands Command name Command code in hex ATA-standard commandsATA-standard power-management commands Command name Command code in hexATA-standard security commands Identify Device command Word Description ValueXx07H Description if bit is set to Bit Word Bit WordSet Features command 0CHEE25 Series Product Manual, Rev. E Presales Support Seagate Technology support servicesInternet Technical SupportData Recovery Services Authorized Service Centers Warranty ServiceData Recovery Services Call Center Toll-free Direct dial Index NumericsPage Page EE25 Series Product Manual, Rev. E Page Seagate Technology LLC
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