30 Barracuda 18XL Product Manual, Rev. A
6.4.4.2 Vibration
a. Operating - normal
The drive as installed for normal operation, shall comply with the complete specified performance while
subjected to continuous vibration not exceeding
5-22 Hz @ 0.045 inches (1.12 mm) displacement
22-300 Hz @1.1 G
300-350 Hz @ 0.83 G
Vibration may be applied in the X, Y, or Z axis.
b. Operating - abnormal
5-22 Hz @ 0.061 inches (1.12 mm) displacement
22-300 Hz @ 1.5 G (X, Y, or Z axis)
300-350 Hz @ 1.125 G
c. Non-operating
The limits of non-operating vibration shall apply to all conditions of handling and transportation. This
includes both isolated drives and integrated drives.
The drive shall not incur physical damage or degraded performance as a result of continuous vibration not
exceeding
5-22 Hz @ 0.100 inches (2.5 mm) displacement
22-400 Hz @ 2.5 G
Vibration may be applied in the X, Y, or Z axis.
6.4.5 Air cleanliness
The drive is designed to operate in a typical office environment with minimal environmental control.
6.4.6 Acoustics
Sound power during idle mode shall be 3.5 (mean) bels typical when measured to Seagate’s 30553-001 spec-
ification.
6.4.7 Electromagnetic susceptibility
See Section 2.1.2.
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