Acoustic Noise Emission Information; Optiplex 7020 Mt; Declared Sound Power (Lwad); A-Weighted Sound Pressure Level (Db) - Dell OptiPlex 7020 Manual Book

Acoustic Noise Emission Information

OptiPlex 7020 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 7020 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
38
Test Configuration
Declared Sound Power(LWAd)
1
:
Tabletop System
Operator Bystander
Position Position
30.4 27.1
29.9 26.7
34.0 30.3
46.8 42.1
Intel Haswell 4c 86W 2.60Ghz
8G DDR3 1600MHz*4
1T 7200RPM SATA3,3.5" *2
DVD, 16X, SATA, HH *2
AMD OUGA10*2
4.0
4.0
4.4
5.6
Floor Standing System
Operator
Position
24.9
24.4
26.1
38.6
Bystander
Position
25.5
25.2
26.1
37.1