Seagate ST9320328CS ユーザーズマニュアル

Pipeline HD Mini Series SATA Product Manual, Rev. E                                                                                             3

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 Pipeline HD 
Mini Series 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

250

160

Guaranteed sectors

976,773,168

625,142,448

488,397,168

312,581,808

Bytes per sector

512

Physical read/write heads

4

3

2

Discs

2

1

Cache (Mbytes)

8

Recording density in BPI (bits/inch avg)

1,490k

Track density TPI (tracks/inch avg)

265k

Areal density (Gbits/inch

2 

avg)

394

Spindle speed (RPM)

5,400

Average latency (msec)

5.6

Internal transfer rate (Mbits/sec max)

1,175

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

300 default / 150 available via Seagate specific SCT command

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 +/- .0078 inches)

Width (max)

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

Length (max)

100.35 + 0.35 / - 0.25 mm (3.957 + 0.079 / - 0.0098 inches)

Weight (max)

110 grams (0.243 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)

1.0 amp

Seek power (typical)

1.54 watts