Seagate ST32000646SS Constellation ES SATA Product Manual - Page 11

Drive specification, ST32000644NS, ST31000524NS, ST3500514NS - hard drive

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Drive specification Track-to-track seek time (ms typical) Average seek, read (ms typical) Average seek, write (ms typical) Startup current (typical) 12V (peak) Voltage tolerance (including noise) Ambient temperature Temperature gradient (°C per hour max) Relative humidity Relative humidity gradient Altitude, operating Altitude, nonoperating (below mean sea level, max) Operational Shock (max at 2 ms) Non-Operational Shock (max at 2 ms) Vibration, operating Operation Rotational vibration Vibration, nonoperating Drive acoustics, sound power (bels) Idle** Performance seek Nonrecoverable read errors Annualized Failure Rate (AFR) Warranty Load-unload cycles Supports Hotplug operation per Serial ATA Revision 2.6 specification ST32000644NS ST31000524NS ST3500514NS 0.5 read 0.8 write

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Constellation ES Serial ATA Product Manual, Rev. G
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
.
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.sea
gate.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