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31 PowerEdge 14th generation (14G) acoustical performance and dependencies | Document ID | version (optional)
Methods to reduce acoustical output of the R740/R740XD
Although the R740, R740XD are designed for use in data centers, some users may prefer a quieter system.
Dell EMC suggests the following list of possible solutions to reduce acoustical output of the R740, R740XD.
An important note: In most cases, the idle fan speed of the system cannot be lowered without changing the
configuration of the system, and in some cases, even a configuration change may not reduce idle fan speeds.
 Enable sound cap in IDRAC GUI. Sound cap, a setting in the BIOS, can be toggled on/off during
boot up. When enabled, sound cap reduces the acoustics of the system at the expense of some
performance.
 Reduce Ambient Temperature. Lowering the ambient temperature allows the system to cool
components more efficiently than at higher ambient temperatures.
 Optimize Third Party PCI Card Options.
 Replace Third Party PCI Cards with similar Dell Supported Temperature PCI Controlled Cards, if
available. Dell EMC works diligently with card vendors to validate and develop PCI cards to meet Dell
EMC’s exacting standards for thermal performance.