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HPE Servers are designed with a variety of features that provide optimal throughput balanced against energy consumption, noise production and component reliability. HPE recommends using workload profiles (i.e., Optimal Cooling mode) for most systems, and where needed, fan/thermal pre-sets are included.In the rare situations where these settings are not sufficient, it may be necessary to configure custom settings for fan operation above the typical minimum values. While this increases power consumption and noise, there are generally no reliability concerns with higher fan speeds. However, operating fans at "Max Cooling" mode may introduce vibrations that can potentially lead to degradation of HDD throughput performance.
Any HPE Servers supporting both Small Form Factor (SFF) and Large Form Factor (LFF) spindle Hard Disk Drives (HDDs).
To maintain throughput performance with minimal throttling, HPE recommends the system fan minimums be set to 70% or less.Adjust the minimum fan speed setting to 70% via the HPE Integrated Lights-Out (iLO) User Interface by performing the following steps:1.)In iLO, configure the fan speed: click "Power & Thermal" in the navigation tree, and then click the "Fans or Fans & Cooling Modules" tab.2.)Click the pencil icon (shown above) to edit settings and set the Minimum Fan Speed to 70%, as shown below:3.)Then click theOKbutton.Note: For more information, refer to theHPE iLO 6 User Guide.Document VersionRelease DateDetails2Dec 01, 2025Updated the Resolution with more accurate steps and online user guide.1Nov 21, 2025Original Document Release.
Operating Systems Affected:Not Applicable
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