Fanless heatsink for 100% silent cooling through natural convection (see setup guidelines & list of recommended cases) or semi-passive setups with virtually inaudible NF-A12x25 LS-PWM fan (optional)
100% RAM compatibility on AMD AM4 and Intel LGA1700/1200, clears the top PCIe slot on most ATX and µATX motherboards
Professional, Torx-based SecuFirm2+ mounting system for Intel LGA1851, LGA1700, LGA200, LGA115x (LGA1150, LGA1151, LGA1155, LGA1156) & AMD AM5, AM4
Further improved second-generation NT-H2 thermal compound for optimal overall cooling performance
Recommended for CPUs with low to moderate heat dissipation (see CPU compatibility list), e.g. Intel 285K, 265K, 245K or AMD Ryzen 7900, 7700, 7600, etc.
+
+
Overview
Specs
Reviews (5)
The NH-P1 is Noctuas first passive CPU cooler and has been custom-designed for fanless operation from the ground up: in enclosures with good natural convection, its six heatpipes and thick, widely spaced heatsink fins enable it to cool modern high-end CPUs with low to moderate heat dissipation completely passively (see setup guidelines and list of recommended cases). For further enhanced performance or semi-passive setups that only spin up their fans when necessary, the NH-P1 can be outfitted with a low-speed, ultra-quiet 120mm fan such as the NF-A12x25 LS-PWM. Topped off with the professional Torx-based SecuFirm2+ mounting system, Noctuas award-winning NT-H2 thermal compound and a 6-year manufacturers warranty, the NH-P1 is the ideal cornerstone for premium-grade fanless or semi-passive builds. Caution: while the NH-P1 provides first-rate performance for a passive cooler, it is not suitable for overclocking or CPUs that create high heat loads. Please note that the TDP (Thermal Design Power) rating or amount of heat dissipation that the cooler can handle not only depends on the chassis and various other factors such as ambient temperature or other components inside the system, but also generally varies from CPU model to CPU model. For this reason, we dont give a general TDP specification but rather refer to our CPU compatibility list where we indicate which heat load the cooler can be expected to support on a particular CPU in a fully optimised setup (see our setup guidelines for details). Please also note that the NH-P1 strictly requires either a fanless PC case with good natural convection, an open benchtable-type setup or a PC case with fans in order to achieve its full performance. We offer a list of recommended cases for completely fanless systems using the NH-P1. If necessary, Noctua recommends adding a near-inaudible 120mm fan like the NF-A12x25 LS-PWM to the heatsink for improved performance headroom.
The NH-P1 is Noctua's first passive CPU cooler and has been custom-designed for fanless operation from the ground up: in enclosures with good natural convection, its six heatpipes and thick, widely spaced heatsink fins enable it to cool modern high-end CPUs with low to moderate heat dissipation completely passively (see setup guidelines and list of recommended cases). For further enhanced performance or semi-passive setups that only spin up their fans when necessary, the NH-P1 can be outfitted with a low-speed, ultra-quiet 120mm fan such as the NF-A12x25 LS-PWM. Topped off with the professional Torx-based SecuFirm2+ mounting system and Noctua's award-winning NT-H2 thermal compound, the NH-P1 is the ideal cornerstone for premium-grade fanless or semi-passive builds.
Designed for passive cooling from the ground up
The NH-P1 isn't just a regular heatsink without a fan: it has been designed for fanless operation from the ground up, featuring much thicker, much more widely spaced fins in order to achieve both the mass and the minimal airflow resistance that are required in order to excel in natural convection cooling.
No noise, less dust, 100% fail-proof
Fanless cooling doesn't only have the advantage of being completely silent: if you're relying on natural convection only and don't have case fans pushing air through a case, less dust will accumulate in filters or inside the system. Last but not least, with no moving parts such as fans or pumps that could possibly fail, the NH-P1 is as fail-proof as it can be.
100% RAM compatibility on LGA1851/LGA1700 and AM4/AM5
Due to its asymmetric design, the NH-P1 does not overhang the RAM slots on Intel LGA1851/LGA1700/LGA1200/LGA115x and AMD AM4/AM5 based motherboards, which ensures easy access to the modules and 100% compatibility with DIMMs that feature tall heat-spreaders.
Asymmetrical layout for optimal PCIe compatibility
As many current motherboards have the top PCIe x16 slot sitting close to the socket, bigger heatsinks tend to block it. Due to its asymmetrical layout, the fin-stack of the NH-P1 is offset towards the upper edge of the motherboard when installed in standard orientation. This allows it to clear the top PCIe x16 slot on most current µATX and ATX motherboards (see motherboard compatibility list).
SecuFirm2+ Torx-based multi-socket mounting system
Noctuas SecuFirm2 mounting systems have become synonymous with quality, safety and easy installation. Torx-based, the professional SecuFirm2+ version with its included screwdriver provides even better handling and durability. Socket support includes Intel LGA1851, LGA1700 (since 2021), LGA1200 and LGA115x (LGA1150, LGA1151, LGA1155, LGA1156), as well as AMD AM4 and AM5.
Increased performance headroom with extra fan
The NH-P1 can be fitted with an extra 120mm fan such as the near inaudible NF-A12x25 LS-PWM in order to increase its maximum dissipation capacity significantly: ideal for short spikes of higher heat loads or semi-passive systems that only start their fans when necessary!
