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3. Position your PSU
3.1. Bottom of the case
The fan control setting determines the optimal PSU placement.
In “Hybrid” mode
Seasonic recommends to install your
PSU with ventilation top cover facing
UPWARD, towards the direction of
the motherboard. This will ensure
natural heat dissipation.
In “Normal” mode
Although the direction of mounting
is optional, it is not recommended
to install the PSU with the
ventilation top cover facing
downward if there are no
ventilation holes on the bottom of
the case. There should always be
enough clearance left between the
PSU and the bottom case panel.
Fanless PSU
The PSU must be mounted into the
computer case with the ventilation
top cover facing UPWARD.
To learn about the ventilation of your computer
case, please refer to the case manufacturer’s
instruction manual.
3.2. Flat Desktop-, SFX- or ITX systems
In general, it is recommended to mount the
PSU with the ventilation top cover facing the
motherboard. Due to the different varieties of
case layouts, however, please also consult the
case manufacturer's instruction manual for
more information.
3.3. Top of the case
Seasonic recommends the PSU to be
mounted with its ventilation top cover facing
DOWNWARD.