Environmental Specifications; Acoustic Noise; Acoustic Noise Specification - Fujitsu MPB3021AT 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
per ISO7779 and ISO9296
(Typical at 1m)
Sound Pressure
(Typical at 1m)
1 - 8
Table 1.4 Environmental specifications
Table 1.5 Acoustic noise specification
Model
Operating
mode
Idle mode
(DRIVE READY)
Seek mode (Random)
Idle mode
(DRIVE READY)
Seek mode (Random)
C141-E045-02EN
5°C to 55°C (ambient)
5°C to 60°C (disk enclosure surface)
–40°C to 60°C
20°C/h 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)
MPB3021AT MPB3032AT
MPB3043AT
3.6 bels 3.7 bels
4.2 bels 4.3 bels
35 dBA
40 dBA
MPB3052AT
MPB3064AT
3.8 bels
4.3 bels