PowerEdge T110 II Technical Guide 21
Hardware configurations affect system noise levels:
cooling flexible to varying hardware configurations. Acoustical performances associated with
two common configurations are listed in Table 7.
Quiet office acoustics: Compare the values for LpA in Table 6 and note that they are lower
than ambient measurements of typical office environments. The minimal configuration of the
T110 II shown in Table 6 (LpA ~27 dBA, which is similar to a quiet bedroom) would be
inaudible in most environments.
Noise ramp and descent at Boot-up: Fan speeds (hence noise levels) ramp up during the boot
process to add a layer of protection for component cooling (in the case that the system does
not boot properly).
Acoustical Specifications Table 7.
Minimum Configuration @ 23°C Ambient
SATA
(7.2K)
500GB
Typical Configuration @ 23°C Ambient
Intel Xeon
E3-1200
product
family
(80W)
1 x Dell
RD1000
Definitions
Standby: AC Power is connected to power supplies but the system is not turned on.
Idle: Reference ISO7779 (1999) definition 3.1.7; system is running in its OS but no other specific
activity.
Active Hard Drives: An operating mode per ISO7779 (1999) definition 3.1.6; Section C.9 of ECMA-74
9th ed. (2005) is followed in exercising the hard disk drives.
Stressed Processor: An operating mode per ISO7779 (1999) definition 3.1.6; SPECPower set to 50%
loading is used.
LwA–UL: The upper limit sound power level (LwA) calculated per section 4.4.2 of ISO 9296 (1988) and
measured in accordance to ISO 7779 (1999).
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