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Large fanless CPU heatsink with six heatpipes and widely spaced aluminium fins, 158 mm tall, matte grey finish

Noctua

Noctua NH-P1 Passive CPU Cooler 158 mm 1185g

SKU CH-QMY4-GNFJJ

Fanless heatsink cools compatible CPUs silently through natural convection in suitable cases

  • TypeHeatsinks only
  • CPU Socket CompatibilityIntel LGA1851, LGA1700, LGA1200, LGA1156, LGA1155, LGA1151,
  • Fan Mounting Types to HeatsinkVertical
  • Max CPU Cooler Height158 mm
  • Weight1185g
  • Fanless design enables 100% silent cooling via natural convection
  • Six heatpipes with thick, widely spaced fins optimise passive heat dissipation
  • Compatible with Intel LGA1851, LGA1700, LGA1200, LGA115x, AMD AM5, AM4
  • 100% RAM clearance on AM4 and LGA1700/1200, clears top PCIe slot
  • SecuFirm2+ Torx mounting and NT-H2 compound ensure reliable installation

Fanless Heatsink for Silent Builds

The Noctua NH-P1 is a passive CPU cooler designed for 100% silent operation through natural convection. It targets builders who want zero fan noise and reduced dust accumulation in compatible enclosures. The six heatpipes and widely spaced fins provide the mass and low airflow resistance needed for fanless cooling. It suits CPUs with low to moderate heat dissipation such as Intel 285K, 265K, 245K or AMD Ryzen 7900, 7700, 7600.

Upgrade from Active Air Coolers

This cooler replaces traditional tower coolers that rely on attached fans for heat dissipation. The jump is worth it when the build prioritises absolute silence over maximum thermal headroom and the case appears on Noctua's recommended list for natural convection. It also works in semi-passive setups with an optional NF-A12x25 LS-PWM 120mm fan that only spins up when necessary. Builders needing to cool high-TDP processors under sustained loads should stay with active cooling.

Torx SecuFirm2+ Mounting System

Installation uses the professional Torx-based SecuFirm2+ mounting kit supplied for Intel LGA1851, LGA1700, LGA1200, LGA115x and AMD AM5, AM4 sockets. The design guarantees 100% RAM compatibility on AM4 and LGA1700/1200 platforms and clears the top PCIe slot on most ATX and µATX motherboards. NT-H2 thermal compound is included for optimal contact. The 158 mm height and 1185g weight require a case with sufficient clearance and a motherboard with adequate mounting reinforcement.

Pontos fortes

  • Fanless design enables 100% silent cooling via natural convection
  • Six heatpipes with thick, widely spaced fins optimise passive heat dissipation
  • Compatible with Intel LGA1851, LGA1700, LGA1200, LGA115x, AMD AM5, AM4
  • 100% RAM clearance on AM4 and LGA1700/1200, clears top PCIe slot
  • SecuFirm2+ Torx mounting and NT-H2 compound ensure reliable installation

Especificações

BrandNoctua
TypeHeatsinks only
CPU Socket CompatibilityIntel LGA1851, LGA1700, LGA1200, LGA1156, LGA1155, LGA1151, LGA1150, LGA2011, LGA2066 and AMD AM5, AM4
Fan Mounting Types to HeatsinkVertical
Max CPU Cooler Height158 mm
Weight1185g

Perguntas sobre este artigo

How much case height does the 158 mm NH-P1 require?

The cooler stands 158 mm tall, so your chassis must provide at least that much clearance between the CPU socket and the side panel.

Which socket hardware do I use for an LGA1700 installation?

Use the SecuFirm2+ kit labelled for Intel LGA1700 and tighten the Torx screws in a cross pattern until the springs are fully compressed.

When should I replace the pre-applied NT-H2 thermal compound?

Reapply NT-H2 whenever you remove the cooler or after several years if temperatures rise noticeably.

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