Хард диск HITACHI 320GB 7200 8MB

Interface PATA-133 SATA 3.0Gb/s
Capacity (GB)1 500 / 400 / 320 / 250
Data heads (physical) 6 / 5 / 4 / 3
Data disks 3 / 3 / 2 / 2

Performance
Data buffer2 8 MB 16 MB / 8 MB
Rotational speed (RPM) 7,200
Media transfer rate (max. Mbits/sec) 998
Interface transfer rate (max. MB/sec) 133 300
Seek time average, (read, typical (MS))3 8.5

Reliability
Error rate (non-recoverable) 1 in 10E14
Start/stops (at 40 C) 50,000
Availibility4 24/7

Acoustic
Idle (Bels) 3.0 (3disk) 2.8 (2 disk)

Power
Requirement +5 VDC (+/- 5%),
+12 VDC (+10%/-8%)
Dissipation
Startup current (max. A) 2.0 (+12V) & 2.0 (+12V) &
1.1 (+5V) 1.3 (+5V)
Idle (W) 6.0 (3 disk) 7.0 (3 disk)
5.0 (2 disk) 6.0 (2 disk)

Physical size
Height (mm) 26.1
Width (mm) 101.6
Depth (mm) 147
Weight (max. g) 640

Environmental characteristics
Operating
Ambient temperature 0 to 60C
Relative humidity (non-condensing) 8% to 90%
Shock (half sine wave, 2ms) 55G
Vibration (random (RMS) 0.67G for horizontal
0.67G for vertical

Non-operating
Ambient temperature -40 to 65 C
Relative humidity (non-condensing) 5% to 95%
Shock (half sine wave, 2ms) 300G
Vibration (random (RMS) 1.04G rms (XYZ)
RoHS compliant5 Yes