Caution: Never use one adaptor for both fans by putting it before
the y-split cable.
Reattach the fans using the steel clips:
Attaching the fan
Step 3
Noctua NH-U9 | Installation Manual | TR4-SP3
TR4-
SP3
Connect the fans to the motherboard’s CPU fan header(s). If neces-
sary, use the supplied NA-YC1 y-split cable to connect both fans
to one fan header.
Depending on your CPU and the temperature inside the case,
you may interconnect the supplied NA-RC7 Low-Noise Adaptors
(L.N.A.) in order to further reduce the fans’ operating noise. For
optimal acoustics, it is generally recommended to always use the
L.N.A. on the rear fan.
Mainboard
Fans
Low-Noise Adaptor
Y-Split Cable
Y-Split Cable
Low-Noise Adaptors
Caution: When using the L.N.A., check the temperature of your
CPU using appropriate software (e.g. the respective applications
of your mainboard manufacturer), in order to evade automatic
throttling of the CPU due to the increased temperature. If the cool-
ing performance is insufficient, please increase case ventilation or
remove the L.N.A.
As it is not possible to reliably calculate or control the forces that
act upon a system during transport (e.g. in shipping), we gener-
ally recommend, for safety reasons, taking the fans off the heat-
sink in order to reduce the weight below 700g. Noctua cannot be
held responsible for any damage that may arise due to excessive
stress during transport if you keep the fan installed.
Should I take the cooler off before transporting
my system?
Even with high-grade products and strict quality control, the
possibility of defects cannot be eliminated entirely. Therefore,
we aim at providing the highest possible level of reliability and
convenience by offering a warranty period of 6 years and direct,
fast and straightforward RMA service.
Should you encounter any problems with your NH-U9 TR4-SP3,
please don’t hesitate to contact our support team (support@
noctua.at).
Please also consult the FAQ section on our website:
www.noctua.at/faqs.
Warranty, Support and FAQs
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