Noctua NH-L9a-AM4 vs Noctua NF-A4x10 FLX — Head-to-Head (2026)
Side-by-side comparison. Specs, prices, user ratings, and our verdict.
*Price sourced from Amazon.com. Price and availability subject to change.
Spec-by-spec
| Spec | Noctua NH-L9a-AM4, Premium Low-Profile… | Noctua NF-A4x10 FLX, Premium Quiet… |
| Brand | Noctua | Noctua |
|---|
| Model | NH-L9a-AM4 | NF-A4x10 |
|---|
| Weight | 4750g | — |
|---|
| Voltage | 12 volts | 12 Volts |
|---|
| Material | Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating | Fibre-glass reinforced PBT |
|---|
| Unit Count | 1 Count | 1.0 Count |
|---|
| Noise Level | 23.6 db | 17.9 Decibels |
|---|
| Part Number | NH-L9a-AM4 | NF-A4x10 |
|---|
| Material Type | Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating | Fibre-glass reinforced PBT |
|---|
| Cooling Method | Air | Air |
|---|
| Item Type Name | Cooler | — |
|---|
| Number of Items | 1 | 1 |
|---|
| Air Flow Capacity | 57.5 cubic meter per hour | 8.2 Cubic Meters Per Hour |
|---|
| Compatible Devices | Desktop | Desktop |
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