Seagate ST9160827AS ユーザーズマニュアル

Momentus 5400.4 SATA Product Manual, Rev. A

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 
ST9250827AS, ST9200827AS, ST9160827AS, and ST9120817AS models.

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

Formatted Gbytes

 

(512 bytes/sector)*

250

200

160

120

Guaranteed sectors

488,397,168

390,721,968

312,581,808

234,441,648

Bytes per sector

512

Physical read/write heads

4

4

3

2

Discs

2

2

2

1

Cache (Mbytes)

8

Recording density in BPI (bits/inch max)

1,180k

Track density TPI (tracks/inch max)

173k

Areal density (Gbits/inch

2 

max)

204

Spindle speed (RPM)

5,400

Internal transfer rate (Mbits/sec max)

778

Sustained transfer rate (Mbytes/sec max)

58

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

300

ATA data-transfer modes supported

SATA 1.0, Serial ATA Revision 2.5

 

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 +/- 0.25 mm (2.75 +/- 0.0098 inches)

Length (max)

100.20 +/- 0.25 mm (3.945 +/- 0.010 inches)

Weight (typical)

</=102 grams (0.23 lb)

Average latency (msec)

5.6

Power-on to ready (sec typical)

<3.0

Standby to ready (sec typical)

<2.0

Track-to-track seek time (msec typical)

<2.0 (read),  <2.5 (write)

Average seek, read (msec typical)

<12.0

Average seek, write (msec typical)

<14.0