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Noctua NH-L9a-AM4 vs Noctua NF-A4x10 FLX — Head-to-Head (2026)

Side-by-side comparison. Specs, prices, user ratings, and our verdict.

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Spec-by-spec

SpecNoctua NH-L9a-AM4, Premium Low-Profile…Noctua NF-A4x10 FLX, Premium Quiet…
BrandNoctuaNoctua
ModelNH-L9a-AM4NF-A4x10
Weight4750g
Voltage12 volts12 Volts
MaterialCopper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel platingFibre-glass reinforced PBT
Unit Count1 Count1.0 Count
Noise Level23.6 db17.9 Decibels
Part NumberNH-L9a-AM4NF-A4x10
Material TypeCopper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel platingFibre-glass reinforced PBT
Cooling MethodAirAir
Item Type NameCooler
Number of Items11
Air Flow Capacity57.5 cubic meter per hour8.2 Cubic Meters Per Hour
Compatible DevicesDesktopDesktop

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