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Low-profile brown CPU cooler with 92mm fan and copper heatpipes, 65mm tall

Noctua

Noctua NH-L9x65 65mm CPU cooler

SKU CH-4AK2-EDZNS MPN NH-L9x65

A 65mm low-profile CPU cooler with a 92mm PWM fan, four heatpipes and a 95x95mm footprint that clears RAM and PCIe slots for compact Intel and AMD builds

  • Fan size92 mm
  • Supported CPU socketsIntel LGA1851, LGA1700, LGA1200, LGA1156, LGA1155, LGA1151,
  • Bearing designSSO2
  • Rotational speed2,500 RPM (Max), 1,800 RPM (w/ L.N.A ), 600 RPM (PWM)
  • Airflow rate33.84 CFM (Max), 24.01 CFM (w/L.N.A.)
  • Operating noise23.6 dB(A) (Max), 14.8 dB(A) (w/ L.N.A)

Model NH-L9x65

  • Fits 65 mm height cases for compact builds
  • 92 mm fan runs at 14.8 dB(A) with Low-Noise Adaptor
  • 95×95 mm footprint clears RAM and PCIe slots
  • Supports Intel LGA1851, LGA1700, LGA1200, LGA115x and AMD AM5, AM4
  • Includes NT-H1 paste and SecuFirm2 kit for easy installation

Low-Profile 65 mm CPU Cooler

The NH-L9x65 is a premium low-profile air cooler measuring 65 mm total height, matching the height of low-profile expansion cards. It uses a 92 mm NF-A9x14 slim fan with SSO2 bearing and a four-heatpipe copper heatsink finished in brown. The SecuFirm2 mounting kit supports Intel LGA1851, LGA1700, LGA1200, LGA115x and AMD AM5 and AM4 sockets. It suits builders of compact HTPCs and small form factor systems.

Ideal for Space-Restricted Builds

This cooler fits ITX boards with 95x95 mm socket keep-out zones, ensuring 100 % RAM and PCIe clearance. PWM control runs the fan between 600 and 2500 RPM, while the Low-Noise Adaptor caps speed at 1800 RPM for 14.8 dB(A) operation. It is not for overclocking or CPUs with high heat loads. Buyers needing greater thermal headroom should consider larger tower or liquid coolers.

Recommended for Low to Moderate TDP CPUs

Noctua rates the NH-L9x65 for processors with low to moderate heat dissipation such as Intel 285K, 265K, 245K and Ryzen 7950X3D, 7900X3D, 7800X3D, 7700. The package includes NT-H1 thermal compound and a metal case badge. Maximum airflow reaches 33.84 CFM at 23.6 dB(A).

How it compares

Measured against everything we stock in CPU Coolers & Heatsink Fans, at today’s prices. Recalculated every night.

Price $40.99
Pricier than about 86% of the 1,559 comparable items (median $19.99).
Fan size 92 mm
Higher than about 70% of the 812 comparable items (median 80 mm).

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Specifications

Product
Brand nameNoctua
Model nameNH-L9 × 65
Product colorBrown
Product typeFan & Heatsinks
Performance
Rotational speed2,500 RPM (Max), 1,800 RPM (w/ L.N.A ), 600 RPM (PWM)
Airflow rate33.84 CFM (Max), 24.01 CFM (w/L.N.A.)
Size & build
Fan size92 mm
Bearing designSSO2
Cooler materialCopper (Base and Heat-pipes), Alum.( cooling Fins ), Soldered Joints, Nickel Plated
Fan mountingVertical
Product weight413g
Shipping weight0.99 kg
Package size180 × 137 × 132 mm
Compatibility
Supported CPU socketsIntel LGA1851, LGA1700, LGA1200, LGA1156, LGA1155, LGA1151, LGA1150 and AMD AM5, AM4
CPU cooler height limit65 mm
In the box
In the boxNF-A9 × 14 PWM premium fan
Low-Noise Adaptor (L.N.A.)
NT-H1 high-grade thermal compound
SecuFirm2 Mounting Kit
Noctua Metal Case-Badge
Environment & compliance
Operating noise23.6 dB(A) (Max), 14.8 dB(A) (w/ L.N.A)

Questions about this item

Should I choose the 65mm NH-L9x65 or the 37mm NH-L9 for my small form factor build?

The NH-L9x65 is 65mm tall with four heatpipes and a 92mm fan, while the NH-L9 is 37mm with two heatpipes; the taller model fits cases allowing 65mm clearance and handles higher heat loads.

What does the 2500 RPM maximum fan speed mean for actual cooling in my system?

At 2500 RPM the fan delivers 33.84 CFM at 23.6 dB(A); with the included Low-Noise Adaptor it drops to 1800 RPM, 24.01 CFM and 14.8 dB(A), and PWM can reduce it further to 600 RPM for lighter loads.

How does the SecuFirm2 mounting system work with the listed Intel and AMD sockets?

The SecuFirm2 kit supports Intel LGA1851, LGA1700, LGA1200, LGA1156, LGA1155, LGA1151, LGA1150 and AMD AM5, AM4, including offset mounting on AM4/AM5 for optimal die contact.

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