Seagate ST9250315AS ユーザーズマニュアル

M

OMENTUS 

5400.6 SATA P

RODUCT 

M

ANUAL

, R

EV

. G

  4

  

Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For 
convenience, the phrases the drive and this drive are used throughout this manual to indicate the Momentus 5400.6 SATA 
models.

The specifications listed in this table are for quick reference. For details on specification measurement or definition, see the 
appropriate section of this manual. . 

Formatted Gbytes (512 bytes/sector)*

500

320

Guaranteed sectors

976,773,168

625,142,448

Bytes per sector

512

Physical read/write heads

4

3

Discs

2

2

Cache (Mbytes)

8

Recording density in BPI (bits/inch avg)

1490k

Track density TPI (tracks/inch avg)

265k

Areal density (Gbits/inch

2 

avg)

394

Spindle speed (RPM)

5400

Average latency (msec)

5.6

Internal transfer rate (Mbits/sec max)

1175

I/O data transfer rate 
(Mbytes/sec max)

300

ATA data-transfer modes supported

SATA 1.0, Serial ATA Revision 2.6 
PIO modes 0–4 
Multiword DMA modes 0–2 
Ultra DMA modes 0–6

Height (max)

9.5 +/- 0.2 mm (0.374 +/- .0079 inches)

Width (max)

69.85 mm +/- 0.25 mm (2.75 +/- 0.0098 inches)

Length (max)

100.35 + 0.20 / - 0.25 mm (3.957 + 0.0079 / - 0.0098 inches)

Weight (max)

98.8 grams (0.218 lb)

Power-on to ready (sec typical)

3.6

Power-on to ready (sec max)

3.8

Standby to ready (sec typical)

1.8

Standby to ready (sec max)

2

Track-to-track seek time, read (msec typical)

1

Average seek, read (msec typical)

14

Full-stroke seek, read (msec max)

30

Startup current, +5V (max)

1 amp

Seek power (typical)

1.54 watts

Read/write power (typical)

Read: 1.40 watts; Write: 1.78 watts

Idle mode, low power (typical)

0.67 watts

Standby mode

0.20 watts (typical)***

Sleep mode

0.20 watts (typical)***

Voltage tolerance (including noise)

+5V ± 5%

Ambient temperature 

0° to 60°C (operating), –40° to 70°C (nonoperating)

Temperature gradient 
(°C per hour max)

20°C (operating) 
35°C (nonoperating)