Dell PowerEdge C5220 - Manual (Page 18)

16
Technical Specifications
Acoustics
Sound Power (Units: LwAd-UL,bels)
Idle in 23 ± 2
°
C ambient <= 7.0
SPEC power at 50% in 23 ± 2
°
C
ambient
<= 7.2
NOTE:
LwAd-UL is the upper limit sound power level (LwAd) calculated by ISO 9296
(1988) and measured in accordance with ISO7779 (1999).