Dell PowerEdge M620 Technical Manual - Page 28

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Dell PowerEdge M620 Technical Manual
Thermal control also detects and responds to hardware configuration. Thermal management
adjusts cooling according to what the system really needs, and draws lower fan power draw and
generates lower acoustical noise levels than those without such controls.
Environmental specifications: The optimized thermal management makes the PowerEdge
M620 reliable under a wide range of operating environments as shown in Table 23. When
operating above 30°C ambient, performance impacts may be seen. For more information see
Dell PowerEdge M620 Systems Owner's Manual
the
The acoustical performance of the PowerEdge M620 is reflected in Table 16. The addition of some
components can cause an increase in fan speed and acoustical output. Contributors to acoustical
output can include:
The system thermal profile selected in BIOS (for example, Power optimized DAPC or
Performance optimized)
Express Flash PCIe SSDs
NDC
Number of installed processors
Population of modular, non-homogenous modular deployment
Impedance of blanks
Configuration
CPUs
(23 ± 2°C
ambient)
1 x 80W
Minimum
(4 core)
2 x 95W
Typical
(8 core)
1
L
-UL is the upper limit sound power levels (L
WA
accordance to ISO 7779 (2010).
2
L
is the average A-weighted sound pressure level from the four bystander positions calculated per section 4.3 of
pA
ISO 9296 (1988) and measured in accordance with ISO 7779 (2010). The system is placed in a half rack enclosure (base
of system is 25 cm above reflective floor).
3
Standby: AC Power is connected to power supply units but the system is not turned on.
4
Idle: Reference ISO 7779 (2010) definition 3.1.7; system is running in its operating system but no other specific activity.
PowerEdge M620 Technical Guide
28
Hard
HDD
DIMMs
drives
controller
1 x
4 x
Onboard
SATA
4GB
SATA
(7.2K)
2 x SAS
16 x
PERC H310
(10K)
8GB
(mini)
) calculated per section 4.4.1 of ISO 9296 (1988) and measured in
WA
on Support.Dell.com/Manuals.
Operating
NDC
PCI cards
mode
Standby
Any mezz.
None
card
Idle
Standby
Any mezz.
1Gb
card
Idle
1
2
L
-UL
L
WA
pA
(bels)
(dBA)
3
6.8
54
4
7.4
59
3
6.7
53
4
7.8
62