Seagate SV35 SERIES ST3500410SV User Manual

Page 13

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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)

<1.0ms (typical read)
<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%

5V ± 5%
12V ± 10%

Operating temperature (Drive Case)

0° to 70°C

0° to 70°C

Nonoperating temperature
(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)

20°C per hour max (operating)
30°C per hour max (nonoperating)

Relative humidity

5% to 90% (operating)
5% to 95% (nonoperating)

5% to 90% (operating)
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)

37.7°C (operating)
40.0°C (nonoperating)

Altitude, operating

–60.96m to 3,048m
(–200 ft. to 10,000+ ft.)

–60.96m to 3,048m
(–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.)

–60.96 m to 12,192 m
(–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

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