Intel SR1530AHNA Product Specification - Page 18

Airflow Requirements, Acoustics

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Power Sub-System Intel® Server Chassis SR1530 Intel® Server System SR1530AH 2.2 Airflow Requirements The power supply shall incorporate two 40mm fans for self-cooling and system cooling. The fans will provide no less than 8 CFM airflow through the power supply when installed in the system. The cooling air will enter the power supply module from the non-AC side. System Pressure (in H 2O) System Flow Impedance - 1U 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 0 2 4 6 8 10 12 14 16 18 Power Supply Airflow (CFM) Figure 6. Airflow Characteristics 2.3 Acoustics The power supply shall incorporate two variable speed fans. The fans' speed shall vary linearly based on output loading and ambient temperature. The declared sound power levels (LwAd) of the power supply unit (PSU) must meet the requirements shown in the following table. Sound power must be measured according to ECMA 74 (www.ecma-international.org) and reported according to ISO 9296. The acoustic measurement of the PSU shall be performed with the PSU fan operating at the RPM corresponding to the operating conditions shown in the following table. The PSU acoustic test report shall include the PSU dimension, photo, fan model and size, fan voltage (or duty cycle), RPM, and PSU sound power level at each operating condition. The proper RPM thermally sustainable shall be determined through PSU thermal testing, and shall be submitted as an appendix to the acoustic test report. The declared sound power level of the power supply module shall not exceed the levels specified in the following table. 8 Intel order number D77400-002 Revision 1.0

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Power Sub-System
Intel® Server Chassis SR1530
Intel® Server System
SR1530AH
Intel order number D77400-002
Revision 1.0
8
2.2
Airflow Requirements
The power supply shall incorporate two 40mm fans for self-cooling and system cooling.
The
fans will provide no less than 8 CFM airflow through the power supply when installed in the
system.
The cooling air will enter the power supply module from the non-AC side.
System Flow Impedance - 1U
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0
2
4
6
8
10
12
14
16
18
Power Supply Airflow (CFM)
System Pressure (in H
2
O)
Figure 6. Airflow Characteristics
2.3
Acoustics
The power supply shall incorporate two variable speed fans.
The fans’ speed shall vary linearly
based on output loading and ambient temperature.
The declared sound power levels (LwAd) of
the power supply unit (PSU) must meet the requirements shown in the following table.
Sound
power must be measured according to ECMA 74 (
www.ecma-international.org
) and reported
according to ISO 9296.
The acoustic measurement of the PSU shall be performed with the PSU fan operating at the
RPM corresponding to the operating conditions shown in the following table.
The PSU acoustic
test report shall include the PSU dimension, photo, fan model and size, fan voltage (or duty
cycle), RPM, and PSU sound power level at each operating condition.
The proper RPM
thermally sustainable shall be determined through PSU thermal testing, and shall be submitted
as an appendix to the acoustic test report.
The declared sound power level of the power supply module shall not exceed the levels
specified in the following table.