Seagate ST3160815AS ユーザーズマニュアル

4

Barracuda 7200.10 Serial ATA Product Manual, Rev. K

Drive specification

ST3750640AS

ST3750840AS

Formatted capacitty (512 bytes/sector)*

750 Gbytes

Guaranteed sectors

1,465,149,168

Heads

8

Discs

4

Bytes per sector

512

Default sectors per track

63

Default read/write heads

16

Default cylinders

16,383

Recording density

769 kbits/in avg

Track density

141 ktracks/in avg

Areal density

109 Gbits/in

2 

avg

Spindle speed

7,200 RPM

Internal data transfer rate

1,030 Mbits/sec max

Sustained data transfer rate OD (read)

78 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

16 Mbytes

8 Mbytes

Height (max)

26.1 mm (1.028 inches)

Width (max)

101.85 mm (4.010 inches)

Length (max)

146.99 mm (5.787 inches)

Weight (typical)

720 grams (1.59 lbs)

Average latency

4.16 msec

Power-on to ready

15 sec max

Standby to ready

15 sec max

Track-to-track seek time

<0.8 msec typical read; <1.0 msec typical write

Average seek, read

<8.5 msec typical

Average seek, write

<10.0 msec typical

Startup current (typical) 12V (peak)

2.8 amps

Voltage tolerance (including noise)

5V ± 5%

 

12V ± 10%

Ambient temperature

0° to 60°C (operating)

 

–40° to 70°C (nonoperating)

Temperature gradient

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

37.7°C max (operating)

 

37.7°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

68 Gs at 2 msec max

Non-Operational Shock

300 Gs at 2 msec max