Seagate ST750LX003 ユーザーズマニュアル

4

Momentus XT Product Manual, Rev. D

Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal 
power.

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 GB (512 bytes/sector)*

750

500

Guaranteed sectors

1,465,149,168

976,773,168

Bytes per sector

4K emulation @ 512

Physical read/write heads

4

Discs

2

Cache (MB)

32

Recording density in BPI (bits/in max)

1778k

Track density TPI (tracks/in max)

317k

Areal density (Gb/in

2 

max)

563.6

Spindle speed (RPM)

7200

Average latency (ms)

4.20

Internal transfer rate (Gb/s max)

1.23

I/O data transfer rate (Gb/s max)

6.0

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 (0.370 ± .008 in)

Width (max)

69.85 ± 0.25 mm (2.750 ± 0.010 in)

Length (max)

100.30 ± 0.25 mm (3.949 ± 0.010 in)

Weight (max)

115 g (0.253 lb)

Power-on to ready (sec typical)

5.0

Standby to ready (sec typical)

3.5

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

1.5

Average seek, read (ms typical)

11.0

Average seek, write (ms typical)

13.0

Startup current, +5V amps (max)

1.2

Read power (watts typical)

3.3