Maxtor 300 manual Environmental Limits, Acoustic Noise1

Product Specifications

4.8Environmental Limits

PARAMETER	OPERATING	NON-OPERATING/
		STORAGE
Temperature	0° C to 70° C	low temperature (-40°C)
	(Base Casting)	high temperature (71° C)
	See Figure 4-1
		per MIL-STD-810E,
		method 501.3, climatic
		category; hot-induced
		conditions.
Thermal Gradient	25° C per hour (maximum)
Relative Humidity	5% to 95% (non-condensing)
Wet Bulb	37.7° C (maximum)
Altitude (relative to sea level)	-650 to 10,000 feet	-650 to 40,000 feet
	Acoustic Noise1
	Idle Mode	Quiet Seek Mode
	Bels	Bels
Fluid Bearing	Avg	Avg
1 Disk	2.5 Avg	2.6 Avg
2 Disk	2.6 Avg	2.7 Avg
3 Disk	2.9 Avg	3.0 Avg

Notes:

1.The testing performed by Maxtor is consistent with ISO 7779. Variation in acoustic levels from the idle specification may occur due to offline activity according to the SMART specification and/or atmospheric conditions.

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