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Noctua nh-l9a-am4 chromax.black 37mm low-profile am4 CPU cooler nf-a9x14 92mm pwm fan black
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Description
Item No.
24f4b416-574c-4453-b4eb-86851bf04c41
Noctua NH-L9a-AM4 chromax.black — Low-Profile CPU Cooler
37mm Low-ProfileAMD AM4 (AM5 mount)NF-A9x14 92mm PWM Fan100% RAM & PCIe Clearance
The Noctua NH-L9a-AM4 chromax.black (part number NH-L9a-AM4 chromax.black) is an ultra-low-profile CPU cooler just 37mm tall, designed for AMD AM4 small-form-factor and HTPC builds. It combines a black-coated aluminium heatsink with a nickel-plated copper base and the award-winning NF-A9x14 PWM fan, guaranteeing 100% RAM and PCIe clearance. Typically in stoc
Attributes
Aoi Cooler Characteristics
- Supported CPU Sockets: Socket AM5, Socket AM4
Details
Noctua NH-L9a-AM4 chromax.black — Low-Profile CPU Cooler
37mm Low-ProfileAMD AM4 (AM5 mount)NF-A9x14 92mm PWM Fan100% RAM & PCIe Clearance
The Noctua NH-L9a-AM4 chromax.black (part number NH-L9a-AM4 chromax.black) is an ultra-low-profile CPU cooler just 37mm tall, designed forAMD AM4 small-form-factor and HTPC builds. It combines a black-coated aluminium heatsink with a nickel-plated copper base and the award-winning NF-A9x14 PWM fan, guaranteeing 100% RAM and PCIe clearance. Typically in stock with fast delivery across Cyprus.
Compatibility — check before buying:
Designed forAMD AM4, and it also mounts on AM5, which retains AM4 cooler compatibility. At just 37mm tall with 100% RAM and PCIe clearance, it is ideal for mini-ITX and slim HTPC cases. It is not intended for high-heat-ouTPUt CPUs — best paired with mainstream and low-TDP processors.
Best For
✓AMD AM4 (and AM5) mini-ITX and HTPC builds
✓Slim cases with tight CPU cooler clearance
✓Builds needing 100% RAM and PCIe clearance
✓Low-TDP and mainstream processors
✓Quiet, compact office and living-room PCs
✓All-black themed small-form-factor builds
Key Features
Ultra-Low 37mm Profile
At just 37mm tall, the NH-L9a-AM4 fits the tightest mini-ITX and HTPC enclosures where standard tower coolers simply will not go, without sacrificing airflow.
NF-A9x14 PWM Fan
The premium 92mm NF-A9x14 PWM fan combines Noctua's aerodynamic design with quiet operation, and the included Low-Noise Adaptor lets you cap speed for near-silent running.
100% RAM and PCIe Compatibility
The compact footprint clears tall memory modules and does not overhang the first PCIe slot, so it works even on cramped mini-ITX boards without blocking components.
chromax.black Finish and Copper Base
A fully black-coated aluminium heatsink and chromax.black fan give a stealth look, while the nickel-plated copper base and included NT-H1 paste ensure efficient heat transfer.
Technical Specifications
| Identification | |
| Brand | Noctua |
| Model | NH-L9a-AM4 chromax.black |
| Part Number | NH-L9a-AM4 chromax.black |
| EAN / GTIN | 9010018000214 |
| Type | Low-Profile Air CPU Cooler |
| Colour | Black |
| Cooling | |
| Cooler Type | Low-profile air |
| Height | 37mm |
| Heatsink | Aluminium, black-coated |
| Base | Nickel-plated copper |
| Mounting | SecuFirm2 |
| Fan | |
| Fan Model | NF-A9x14 PWM (92mm) |
| Fan Speed | Up to 2500 RPM (1800 RPM with L.N.A.) |
| Airflow | 57.5 m3/h (33.8 CFM) |
| Noise Level | 23.6 dBA (16.3 dBA with L.N.A.) |
| Connector | 4-Pin PWM |
| Compatibility | |
| AMD Sockets | AM4 (also mounts on AM5) |
| Clearance | 100% RAM and PCIe |
| In the Box | |
| Included | NT-H1 thermal paste, SecuFirm2 mounting, Low-Noise Adaptor |
| Warranty | |
| Warranty | 1-Year Warranty (Singular) |
Frequently Asked Questions
Does the NH-L9a-AM4 fit AM5?
Yes. It is made forAMD AM4, and because AM5 retains AM4 cooler mounting compatibility, it also mounts on AM5 boards. It is best suited to mainstream and low-TDP CPUs.
How tall is it and will it clear my RAM?
It is just 37mm tall and offers 100% RAM and PCIe clearance, so it fits slim cases and does not overhang tall memory modules or the first PCIe slot.
Is it suitable for a high-power CPU?
No. It is a low-profile cooler intended for mainstream and low-TDP processors in compact builds, not for high-heat-ouTPUt or heavily overclocked CPUs.
Does it come with thermal paste?
Yes. It includes Noctua's NT-H1 thermal compound, the SecuFirm2 mounting system and a Low-Noise Adaptor to reduce fan speed and noise.
Singular Expert Insight
The NH-L9a-AM4 chromax.black is the go-to low-profile cooler for AM4 (and AM5) small-form-factor builds: 37mm tall, whisper-quiet and guaranteed to clear RAM and PCIe. It shines in mini-ITX and HTPC systems with mainstream CPUs; for high-wattage or overclocked chips, a taller tower or an AIO is the better choice. Browse our full CPU Coolers range, and complete a compact build with an efficient unit from our PC Power Supplies selection.
Buyer's Guide
Buy it if
You are building a compact AM4 or AM5 mini-ITX or HTPC system, need a cooler under 40mm tall with 100% RAM and PCIe clearance, and run a mainstream or low-TDP CPU.
Skip it if
You have a high-power or overclocked CPU, or a case with room for a tower cooler or AIO — this low-profile cooler is optimised for compact, cool-running builds.
Also consider
The NH-L9a-AM5 for optimised AM5 contact, or a taller Noctua tower such as the NH-U9S for higher-TDP CPUs.