Dell OptiPlex 3020 Technical Manualbook

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Dell OptiPlex 3020 Technical Manualbook Manual pdf 49 page image

Dell - Internal Use - Confidential49 Room for text | Dell Inc., 2015Acoustic Noise Emission InformationOptiPlex 3020 MTComponent Test ConfigurationCPU Intel i5-4570 3.2GHzMemory 8G DD3,1600 x 2pcsHDD (#, capacity) WD 1T 3.5inch x2RMSD 19 in 1 card readerGraphics Adapter HD 8570Declared Sound Power (LWAd)The Declared Noise Emission in accordance with ISO 9296 for the OptiPlex 3020 MT is as follows: (allvalues LWAd expressed in bels; 1 bel=10 decibels, re 10-12 Watts)Operating Mode Declared Sound Power(LWAd)Idle 3.8HDD Operating 4.0CPU Stressed 3.8ODD Operating 4.2A-Weighted Sound Pressure Level (dB)The Declared A-weighted Sound Pressure Level in decibels (re 2x10-5 Pa), at Operator and BystanderPositions are measured in accordance with ISO 7779 7.6.1, 7.6.2, and C.15.2 and declared inaccordance with ISO 9296 for this product is as follows1:Declared Sound Pressure (LpA)Tabletop System Floor Standing SystemOperating Mode OperatorPositionBystanderPositionOperatorPositionBystanderPositionIdle 27.5 n/a n/a n/aHDD Operating n/a n/a n/a n/aCPU Stressed 29.2 n/a n/a n/aODD Operating n/a n/a n/a n/a1 All tests are conducted according to ISO 7779 and declared according to ISO 9296 except CPUStressed. This test mode is not specified in ISO 7779, but was measured using the same microphonedistances 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

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