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Seagate CONSTELLATION ES SERIAL ATA ST31000524NS User Manual

Page 11

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Constellation ES Serial ATA Product Manual, Rev. F

5

*One GB equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment

and formatting.

**During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and

power to operational levels.

Power-on to ready (sec max)

15

10

7

Standby to ready (sec max)

15

10

7

Track-to-track seek time (ms typical)

0.5 read

0.8 write

Average seek, read (ms typical)

<8.5

Average seek, write (ms typical)

<9.5

Startup current (typical) 12V (peak)

2.8A

2.0A (optional configuration through Smart Command Transport)

Voltage tolerance (including noise)

5V ± 5%

12V ± 10%

Ambient temperature

5° to 60°C (operating/tested)

–40° to 70°C (nonoperating)

Temperature gradient

(°C per hour max)

20°C (operating)

30°C (nonoperating)

Relative humidity

5% to 90% (operating)

5% to 95% (nonoperating)

Relative humidity gradient

30% per hour max

Altitude, operating

–60.96 m to 3,048 m

(–200 ft to 10,000+ ft)

Altitude, nonoperating

(below mean sea level, max)

–60.96 m to 12,192 m

(–200 ft to 40,000+ ft)

Operational Shock (max at 2 ms)

Read 70 Gs / Write 40 Gs

Non-Operational Shock (max at 2 ms)

300 Gs

350 Gs

Vibration, operating

5–22 Hz: 0.25 Gs, Limited displacement

22–350 Hz: 0.50 Gs

350–500 Hz: 0.25 Gs

Operation Rotational vibration

20–1500Hz: 12.5 rads/s²

Vibration, nonoperating

10–500 Hz: 4.9 Grms ref

Drive acoustics, sound power (bels)

Idle**

2.7 (typical)

2.9 (max)

2.2 (typical)

2.5 (max)

1.9 (typical)

2.3 (max)

Performance seek

3.0 (typical)

3.3 (max)

2.8 (typical)

3.1 (max)

2.7 (typical)

3.0 (max)

Nonrecoverable read errors

1 sector per 10

15

bits read

Annualized Failure Rate (AFR)

0.73% based on 8760 POH

Warranty

To determine the warranty for a specific drive, use a web browser to access the following
web page:

support.seagate.com/customer/warranty_validation.jsp

You will be asked to provide the drive serial number, model number (or part number) and
country of purchase. After submitting this information, the system will display the warranty
information for your drive.

Load-unload cycles

300,000 (25°C, 50% rel. humidity) (600,000 design life testing)

Supports Hotplug operation per

Serial ATA Revision 2.6 specification

Yes

Drive specification

ST32000644NS

ST31000524NS

ST3500514NS

This manual is related to the following products: