Seagate ST3250311SV ユーザーズマニュアル

4

SV35.5 Series SATA Product Manual, Rev. C

Formatted capacity (512 bytes/sector)*

1 Tbyte

Guaranteed sectors

1,953,525,168

Heads

4

Disks

2

Bytes per sector

512

Default sectors per track

63

Default read/write heads

16

Default cylinders

16,383

Recording density

1,474 kbits/in max

Track density

236 ktracks/in avg

Areal density

345 Gbits/in

2 

avg

Internal data transfer rate

1,628 Mbits/sec max

Sustained data transfer rate

140 Mbytes/sec max

I/O data-transfer rate

300 Mbytes/sec max

ATA data-transfer modes supported

PIO modes 0–4

 

Multiword DMA modes 0–2

 

Ultra DMA modes 0–6

Cache buffer

32 Mbytes

Height (max)

26.11 mm (1.028 inches)

Width (max)

101.85 mm (4.010 inches)

Length (max)

146.99 mm (5.787 inches)

Weight (typical)

677 grams (1.493 lb.)

Power-on to ready

<10 sec max

Track-to-track seek time

<0.5 msec typical read;

 

<1.5 msec typical write

Average seek, read

<8.5 msec typical

Average seek, write

<9.5 msec typical

Startup current (typical) 12V (peak)

2.0 amps

Voltage tolerance (including noise)

5V ± 5%

 

12V ± 10%

Operating temperature (Drive Case)

0° to 70°C

Nonoperating temperature

 

(Drive Case)

–40° to 70°C

Temperature gradient (max)

20°C per hour max (operating)

 

30°C per hour max (nonoperating)

Relative humidity

5% to 90% (operating)

 

5% to 95% (nonoperating)

Relative humidity gradient

30% per hour max

Wet bulb temperature (max)

37.7°C max (operating)

 

40.0°C max (nonoperating)

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

63 Gs at 2 msec max

Non-Operational Shock

300 Gs at 2 msec max

Vibration, operating

5-22 Hz: 0.25 Gs, Limited displacement
22-350 Hz: 0.50 Gs
350-500 Hz: 0.25 Gs