Dell OptiPlex 390 Technical Guide - Page 36

Acoustic Noise Emission Information - i5

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DELL™ OPTIPLEX™ 390 TECHNICAL GUIDEBOOK -FINAL ACOUSTIC NOISE EMISSION INFORMATION OPTIPLEX 390 MT Component Typical Configuration High-end Configuration CPU Memory HDD (#, capacity) RMSD Graphics Adapter Intel i5,3.1GHZ,4c SNB 95W 4GB DDR3 1333MHz 1TB 7200RPM SATA3 16X DVD SATA HH 8X DVD+/-RW SATA 12.7 Intel® HD Graphics Family Intel i5,3.1GHZ,4c SNB 95W 4GB DDR3 1333MHz 1TB 7200RPM SATA3(x2) 16X DVD SATA HH 8X DVD+/-RW SATA 12.7 ATI Radeon HD 6450 The Declared Noise Emission in accordance with ISO 9296 for the Dell OptiPlex 390 MT is as follows: (all values LWAd expressed in bels; 1 bel=10 decibels, re 10-12 Watts) Operating Mode Idle Typical Configuration Declared Sound Power (LWAd) 3.4 High-end Configuration Declared Sound Power (LWAd) 3.5 HDD Operating 3.6 3.5 90% CPU ODD Operating 3.6 3.5 5.2 5.2 The Declared A-weighted Sound Pressure Level in decibels (re 2x10-5 Pa), at Operator, Bystander, and Desk Side 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 follows1: Operating Mode Idle HDD Operating 90% CPU ODD Operating Typical Configuration Declared Sound Pressure (LpA) Table-Top Floor-Standing High-end Configuration Declared Sound Pressure (LpA) Table-Top Floor- Standing Operator Position (LpA) Bystander Position (LpA) Operator Position (LpA) Bystander Position (LpA) Operator Position (LpA) Bystander Position (LpA) Operator Position (LpA) Bystander Position (LpA) 23.7 20.2 18.8 19.1 24.1 20.5 19.0 19.3 23.8 20.6 19.3 19.8 43.3 36.5 35.2 35.4 22.9 23.3 24.0 43.6 19.1 18.0 18.8 19.7 18.1 18.9 20.2 18.4 18.9 36.8 36.6 35.3 1 All tests are conducted according to ISO 7779 and declared according to ISO 9296 except 90% CPU. For this mode, the system CPU was stressed at 90% utilization with no other peripheral device actively seeking. 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 36

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DELL™ OPTIPLEX™ 390
TECHNICAL GUIDEBOOK
—
FINAL
36
ACOUSTIC NOISE EMISSION INFORMATION
OPTIPLEX 390 MT
1
All tests are conducted according to ISO 7779 and declared according to ISO 9296 except 90% CPU.
For this mode, the system CPU was stressed
at 90% utilization with no other peripheral device actively seeking.
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
Component
Typical Configuration
High-end Configuration
CPU
Intel i5,3.1GHZ,4c SNB 95W
Intel i5,3.1GHZ,4c SNB 95W
Memory
4GB DDR3 1333MHz
4GB DDR3 1333MHz
HDD (#, capacity)
1TB 7200RPM SATA3
1TB 7200RPM SATA3(x2)
RMSD
16X DVD SATA HH
8X DVD+/-RW SATA 12.7
16X DVD SATA HH
8X DVD+/-RW SATA 12.7
Graphics Adapter
Intel® HD Graphics Family
ATI Radeon HD 6450
The Declared Noise Emission in accordance with ISO 9296 for the Dell OptiPlex 390 MT is as follows:
(all values L
WAd
expressed in bels; 1 bel=10 decibels, re 10
-12
Watts)
Operating Mode
Typical Configuration
Declared Sound Power (L
WAd
)
High-end Configuration
Declared Sound Power (L
WAd
)
Idle
3.4
3.5
HDD Operating
3.6
3.5
90% CPU
3.6
3.5
ODD Operating
5.2
5.2
The Declared A-weighted Sound Pressure Level in decibels (re 2x10
-5
Pa), at Operator, Bystander, and Desk Side 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
1
:
Operating Mode
Typical Configuration Declared Sound Pressure
(LpA)
High-end Configuration Declared Sound Pressure
(LpA)
Table-Top
Floor-Standing
Table-Top
Floor- Standing
Operator
Position
(LpA)
Bystander
Position
(LpA)
Operator
Position
(LpA)
Bystander
Position
(LpA)
Operator
Position
(LpA)
Bystander
Position
(LpA)
Operator
Position
(LpA)
Bystander
Position
(LpA)
Idle
23.7
20.2
18.8
19.1
22.9
19.1
18.0
18.8
HDD Operating
24.1
20.5
19.0
19.3
23.3
19.7
18.1
18.9
90% CPU
23.8
20.6
19.3
19.8
24.0
20.2
18.4
18.9
ODD Operating
43.3
36.5
35.2
35.4
43.6
36.8
36.6
35.3