In case you want to use the cooler on an assembled systemand your case doesn’t have a cut-out at the rear side of themotherboard tray, you first have to remove the motherboardfrom the case in order to be able to install the suppliedbackplate.Removing the motherboard1NOCTUA NH-U9S chromax.blackINSTALLATION MANUALScan this code to displaymultilingual manuals onyour phone.Required mounting parts:2x NM-IMB3 mounting bars1x NM-IBP2 backplate4x NM-ITS1 thumb screws4x NM-IPS1 plastic spacersCaution: The supplied backplate will install over the mother-board’s stock backplate, so the motherboard’s stock backplatemust not be taken off.Attaching the backplate2Place the backplate on the rear side of the motherboard so thatthe bolts stick through the mounting holes.Caution: Please make sure that the three cut-outs in thesupplied backplate align with the screws of the motherboard’sstock backplate.First put the plastic spacers onto the bolts of the backplate, thenadd the mounting bars.Installing the mounting bars3Dear customer,Congratulations on choosing the Noctua NH-U9S chromax.black. The NH-U9S stems from Noctua’s award-winningNH-U9 series. First introduced in 2005, the NH-U series hasbecome a standard choice for premium quality quiet CPUcoolers and won more than 800 awards and recommen-dations from leading international hardware websites andmagazines.Enjoy your Noctua NH-U9S chromax.black!Yours sincerely,Roland Mossig, Noctua CEOThis manual will guide you through the installation process ofthe SecuFirm2™ mounting system step by step.Prior to installing the cooler, please consult the compatibilitylist on our website (www.noctua.at/compatibility) and verifythat the cooler is fully compatible with your motherboard.Please also make sure that your PC case offers sufficientclearance for the cooler and that there are no compatibilityissues with any other components (e.g. tall RAM modules).Double check that the heatsink and fan clips do not makecontact with the VGA card or other PCIe cards. Noctuacannot be held responsible for any damage or losses causedby compatibility issues.Should you encounter any difficulties, please check the FAQson our website (www.noctua.at/faqs) and don’t hesitate tocontact our support team at support@noctua.at.Multilingual versions of this manual are available on ourwebsite: www.noctua.at/manualsLGA115x & LGA1200!Caution: Make sure that the curved sides of the mounting barsare pointing outwards.Fix the mounting bars using the 4 thumb screws.Caution: Gently tighten the screws until they stop, but don’t useexcessive force (max. torque 0.6 Nm).If there are residual traces of thermal paste or thermal padson your CPU, please clean them off first. Then press a smalldrop (3-4mm diameter) of NT-H1 onto the centre of the heat-spreader.Applying the thermal pasteCaution: Applying too much thermal paste will lower heatconductivity and cooling performance!4Orientation A Orientation BCaution: Choose the alignment of the mounting bars accordingto the desired final orientation of the cooler: