![]() First, let's focus on the Target and Linear cards since they're very similar to each other. I've already configured these cards to my personal preference. For case fans, you can use the hottest motherboard, CPU, or GPU sensor as it doesn't matter too much. You could test this setup and tweak it to your taste and workload, finding a balance between low Temps and fan noise.ĮDIT: This is a general recommendation without knowing any details about the hardware installed and the type of load.įinally de-dusting the cMP regularly is recommended and can result in significantly lower Temps as well.Before you do anything, you need to select a temperature source.įor CPU fans, use one of your CPUrelated sensors (pick the one with the highest temperature to be safe). This way there will be airflow underneath the GPU so it stays cooler.Īll fan setups are a bit personal as well, e.g. Backdraw is to lose slot 3 ,if the GPU occupies 2 slots. If possible (depending on the amount of PCIe cards and height of the GPU), you could move the GPU to slot2 instead of slot 1. Intake and Boost A fan depending on NB diode (see screenshot) To keep all Temps low in the CPU compartment i'd recommend: set PSU depending on PSU supply 2 (see screenshot) set the PCI fan depending on PCIE ambient (see screenshot) remove PCI slot covers from unused PCI slots and leave it open. The PSU fan blows air not only through the PSU, but through a few slots above the drive bays too. This is above all caused by the heat the GPU generates. The construction of the cMP concerning airflow is very well thought and efficient, and leaving the side panel off is not recommended and will effect negatively (mainly) the CPU compartment Temps.Īs you may have noticed the HDDs (which generate heat themselves too) Temps increase from bay1 going up to bay4. The Mac Pro 4,1 and 5,1 default fan settings (like most Macs) are aiming for very silent operation but can result in (too) high Temps.
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