Environmental Specifications; Environmental Specifications; Acoustic Noise; Acoustic Noise Specification - Fujitsu MPD3XXXAH Product Manual

1.4

Environmental Specifications

Table 1.4 lists the environmental specifications.
Temperature
• Operating
• Non-operating
• Thermal Gradient
Humidity
• Operating
• Non-operating
• Maximum Wet Bulb
Altitude (relative to sea level)
• Operating
• Non-operating
1.5

Acoustic Noise

Table 1.5 lists the acoustic noise specification.
Sound Power
Idle mode
per ISO 7779 and
(DRIVE READY)
ISO9296
(Typical at 1m)
Seek mode
(Random)
Sound Pressure Idle mode
(Typical at 1m) (DRIVE READY)
Seek mode
(Random)
1 - 8
Table 1.4

Environmental specifications

Table 1.5

Acoustic noise specification

Model MPD3091AH
3.7 bels
4.3 bels
32 dBA
38 dBA
C141-E072-01EN
5°C to 55°C (ambient)
5°C to 60°C (disk enclosure surface)
–40°C to 60°C
20°C/hour or less
8% to 80%RH (Non-condensing)
5% to 85%RH (Non-condensing)
29°C
–60 to 3,000 m (–200 to 10,000 ft)
–60 to 12,000 m (–200 to 40,000 ft)
MPD3137AH
3.8 bels
4.4 bels
33 dBA
39 dBA
MPD3182AH
3.9 bels
4.5 bels
34 dBA
40 dBA