Noctua NH L9a AM4 Air CPU Cooler

The Noctua NH-L9a-AM4 Air CPU Cooler is a highly compact, quiet low-profile cooler. It is specifically designed for use in small form factor cases and HTPC environments. While it provides first-rate performance in its class, it is not suitable for overclocking or CPUs that create high heat loads. This cooler ensures optimal thermal performance for AMD Ryzen™ CPUs and APUs.

Ultra-Compact Design and Broad Compatibility:

Remarkably Low Profile:

At a height of only 37mm (with fan), the NH-L9a-AM4 is ideal for extremely slim cases. Its super-low profile results from a slim 23mm heatsink and the NF-A9x14 low-profile fan, which measures only 14mm in thickness. This compact design ensures it fits into builds with minimal CPU cooler clearance.

100% RAM and PCIe Compatibility:

The NH-L9a-AM4 features a compact footprint that fully complies with the socket keep-out zones specified by AMD. This means neither the heatsink nor the fan overhangs the RAM, providing easy access to the slots and ensuring full compatibility with tall memory modules. Moreover, its compact size ensures full compatibility with PCIe cards on mini-ITX motherboards, even when the PCIe slot sits close to the CPU socket.

Optimized Cooling Performance and Quiet Operation:

Highly Optimized NF-A9x14 PWM Fan:

This cooler includes a highly optimized NF-A9x14 PWM premium fan. This award-winning fan features Noctua’s proprietary AAO frame and sophisticated aerodynamic design measures. It supports PWM for fully automatic speed control, allowing the NH-L9a-AM4 to remain remarkably quiet. The fan’s maximum rotational speed is 2500 RPM, which reduces to 1800 RPM with the included Low-Noise Adaptor (L.N.A.). This enables near-silent setups for suitable CPUs/APUs.

Superior Thermal Interface and Low Noise:

The heatsink’s copper base and heat-pipes are soldered to the aluminum cooling fins. This guarantees a superior thermal interface that maintains performance over many years. The fan’s maximum acoustical noise is 23.6 dB(A), which further drops to 14.8 dB(A) with the L.N.A., ensuring very quiet operation. It delivers an airflow of up to 57.5 m³/h and a static pressure of 2.11 mmH2O.

Easy Installation and Premium Components:

Custom-Designed SecuFirm2™ Mounting System:

The NH-L9a-AM4 comes with a custom-designed SecuFirm2™ mounting system for the AM4 socket of AMD’s Ryzen™ platform. This system allows you to fix the heatsink from the back of the motherboard, making installation easier than ever while maintaining the trusted SecuFirm2™ quality.

Renowned NT-H1 Thermal Compound and Accessories:

Topped off with Noctua’s much-acclaimed NT-H1 high-grade thermal compound, this cooler provides minimum thermal resistance, excellent ease of use, and outstanding reliability. Chosen by overclockers and enthusiast users worldwide, it has established itself as a benchmark for premium-quality thermal compounds. The scope of delivery also includes screws for 92x92x25mm fans and a Noctua metal case-badge, ensuring a complete and premium package.

Explore compatible CPU Air Coolers or check Noctua CPU Coolers for other options. Find full details on the official Noctua NH-L9a-AM4 product page.

Specifications:

• Model: NH-L9a-AM4
• Socket Compatibility: AMD AM4
• Height (without fan): 23 mm
• Width (without fan): 114 mm
• Depth (without fan): 92 mm
• Weight (without fan): 390 g
• Height (with fan): 37 mm
• Width (with fan): 114 mm
• Depth (with fan): 92 mm
• Weight (with fan): 465 g
• Material: Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating
• NSPR: 61 (Max. TDP: see NSPR for details)
• Fan Compatibility: 92x92x14mm, 92x92x25mm
• Scope of Delivery: NF-A9x14 PWM premium fan, Low-Noise Adaptor (L.N.A.), NT-H1 high-grade thermal compound, SecuFirm2™ AM4 mounting kit, Screws for 92x92x25mm fans, Noctua metal case-badge
• Fan Model: Noctua NF-A9x14 PWM
• Fan Bearing: SSO2
• Max. Rotational Speed (+/- 10%): 2500 RPM
• Max. Rotational Speed with L.N.A. (+/- 10%): 1800 RPM
• Min. Rotational Speed @ 20% PWM (+/-20%): 600 RPM
• Max. Airflow: 57.5 m³/h
• Max. Airflow with L.N.A.: 40.8 m³/h
• Max. Acoustical Noise: 23.6 dB(A)
• Max. Acoustical Noise with L.N.A.: 14.8 dB(A)
• Input Power (max.): 2.52 W
• Voltage Range: 12 V
• MTTF: > 150.000 h
• Model Number/SKU: NH-L9a-AM4
• EAN/UPC: 9010018000092