Seagate ST31000526SV Manuel D’Utilisation
SV35 Series SATA Product Manual, Rev. D
5
Table 2:
Drive specifications summary for the 1TB models
Drive specification
ST31000526SV
ST31000525SV
Formatted capacity (512 bytes/sector)*
1TB
1TB
Guaranteed sectors
1,953,525,168
1,953,525,168
Heads
4
4
Disks
2
2
Bytes per sector
512
512
Default sectors per track
63
63
Default read/write heads
16
16
Default cylinders
16,383
16,383
Recording density(max)
1474 kb/in
1474 kb/in
Track density (avg)
236 ktracks/in
236 ktracks/in
Areal density (avg)
345 Gb/in
2
345 Gb/in
2
Internal data transfer rate (max)
1628 Mb/s
1628 Mb/s
Sustained data transfer rate (max)
140 MB/s
140 MB/s
I/O data-transfer rate (max)
600 MB/s
300 MB/s
ATA data-transfer modes supported
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
Cache buffer
32MB
32MB
Height (max)
26.11mm (1.028 in)
26.11mm (1.028 in)
Width (max)
101.6mm (4.0 in)
101.85mm (4.010 in)
Length (max)
146.99mm (5.787 in)
146.99mm (5.787 in)
Weight (typical)
677g (1.493 lb)
677g (1.493 lb)
Power-on to ready(max)
<10s
<10s
Track-to-track seek time
<1.0ms (typical read)
<1.2ms (typical write)
<1.2ms (typical write)
<1.0ms (typical read)
<1.2ms (typical write)
<1.2ms (typical write)
Average seek, read (typical)
<12ms
<12ms
Average seek, write (typical)
<13ms
<13ms
Startup current (typical) 12V (peak)
2.0A
2.0A
Voltage tolerance (including noise)
5V ± 5%
12V ± 10%
12V ± 10%
5V ± 5%
12V ± 10%
12V ± 10%
Operating temperature (Drive Case)
0° to 70°C
0° to 70°C
Nonoperating temperature
(Drive Case)
(Drive Case)
–40° to 70°C
–40° to 70°C
Temperature gradient (max)
20°C per hour max (operating)
30°C per hour max (nonoperating)
30°C per hour max (nonoperating)
20°C per hour max (operating)
30°C per hour max (nonoperating)
30°C per hour max (nonoperating)
Relative humidity
5% to 90% (operating)
5% to 95% (nonoperating)
5% to 95% (nonoperating)
5% to 90% (operating)
5% to 95% (nonoperating)
5% to 95% (nonoperating)
Relative humidity gradient (max)
30% per hour
30% per hour
Wet bulb temperature (max)
37.7°C (operating)
40.0°C (nonoperating)
40.0°C (nonoperating)
37.7°C (operating)
40.0°C (nonoperating)
40.0°C (nonoperating)
Altitude, operating
–60.96m to 3,048m
(–200 ft. to 10,000+ ft.)
(–200 ft. to 10,000+ ft.)
–60.96m to 3,048m
(–200 ft. to 10,000+ ft.)
(–200 ft. to 10,000+ ft.)
Altitude, nonoperating
(below mean sea level, max)
(below mean sea level, max)
–60.96 m to 12,192 m
(–200 ft. to 40,000+ ft.)
(–200 ft. to 40,000+ ft.)
–60.96 m to 12,192 m
(–200 ft. to 40,000+ ft.)
(–200 ft. to 40,000+ ft.)
Operational Shock (max)
63 Gs at 2ms
63 Gs at 2ms
Non-Operational Shock (max)
300 Gs at 2ms
300 Gs at 2ms