Dell OptiPlex 3020 Technisches Handbuch - Seite 46
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Acoustic Noise Emission Information
OptiPlex 3020 MT
Component
CPU
Memory
HDD (#, capacity)
RMSD
Graphics Adapter
Declared Sound Power (LWAd)
The Declared Noise Emission in accordance with ISO 9296 for the OptiPlex 3020 MT is as follows: (all
values LWAd expressed in bels; 1 bel=10 decibels, re 10-12 Watts)
Operating Mode
Idle
HDD Operating
CPU Stressed
ODD Operating
A-Weighted Sound Pressure Level (dB)
The Declared A-weighted Sound Pressure Level in decibels (re 2x10-5 Pa), at Operator and Bystander
Positions are measured in accordance with ISO 7779 7.6.1, 7.6.2, and C.15.2 and declared in
accordance with ISO 9296 for this product is as follows
Declared Sound Pressure (LpA)
Operating Mode
Idle
HDD Operating
CPU Stressed
ODD Operating
1 All tests are conducted according to ISO 7779 and declared according to ISO 9296 except CPU
Stressed. This test mode is not specified in ISO 7779, but was measured using the same microphone
distances and measurement techniques defined for the other reported operating modes.
2 Declared Sound Power rounded to nearest tenth of a bel per ISO 9296 section 4.4.2
Dell - Internal Use - Confidential
46
Room for text | Dell Inc., 2014
Test Configuration
Intel i5-4570 3.2GHz
8G DD3,1600 x 2pcs
WD 1T 3.5inch x2
19 in 1 card reader
HD 8570
Declared Sound Power(LWAd)
3.8
4.0
3.8
4.2
1
:
Tabletop System
Operator
Bystander
Position
Position
27.5
n/a
n/a
n/a
29.2
n/a
n/a
n/a
Floor Standing System
Operator
Bystander
Position
Position
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a