Dell OPTIPLEX 790 Technical Manualbook page 47
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Also See for OPTIPLEX 790:
- Owner's manual (96 pages) ,
- Setup and features information (13 pages) ,
- Important information (3 pages)
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DELL™ OPTIPLEX™ 790 TECHNICAL GUIDEBOOK - V 2.0
ACOUSTIC NOISE EMISS ION INFORMATION
OPTIPLEX 790 SFF
Component
CPU
Memory
HDD (#, capacity)
RMSD
Graphics Adapter
The Declared Noise Emission in accordance with ISO 9296 for the Dell OptiPlex 780 SFF is as follows:
(all values L
expressed in bels; 1 bel=10 decibels, re 10
WAd
Operating Mode
Idle
HDD Operating
90% CPU
ODD Operating
The Declared A-weighted Sound Pressure Level in decibels (re 2x10
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
1
follows
:
Typical Configuration Declared Sound Pressure
Operating Mode
Operator
Position
Idle
HDD Operating
90% CPU
ODD Operating
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
Typical Configuration
Intel l3,3.3GHZ,2c SNB,65W
2G DDR3 1333MHz
250G 7200RPM SATA2
16X DVD+/-RW SATA HH
Intel® HD Graphics Family
Typical Configuration
Declared Sound Power (L
3.6
3.6
3.9
4.6
(LpA)
Table-Top
Bystander
Operator
Position
Position
(LpA)
(LpA)
25.3
21.6
24.7
20.5
28.9
24.2
36.9
30.6
High-end Configuration
Intel I5,3.1GHZ ,4c SNB 95W
16X DVD+/-RW SATA HH
-12
Watts)
High-end Configuration
)
Declared Sound Power (L
WAd
3.9
4.0
4.3
4.6
-5
Pa), at Operator, Bystander, and Desk Side Positions are
High-end Configuration Declared Sound Pressure
Floor-Standing
Bystander
Position
(LpA)
(LpA)
19.6
18.6
20.6
19.9
21.0
21.0
29.5
27.7
2G DDR3 1333MHz(x2)
500G 7200RPM SATA2
AMD Radeon HD6350
)
WAd
(LpA)
Table-Top
Operator
Bystander
Position
Position
(LpA)
(LpA)
29.4
25.8
29.3
25.4
32.9
28.1
38.0
32.4
Floor- Standing
Operator
Bystander
Position
Position
(LpA)
(LpA)
22.1
21.4
22.7
20.6
27.5
26.5
33.2
29.6
47
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