Noctua NH-L9A vs NH-U9DX i4 CPU Cooler Comparison

The main differences between Noctua NH-L9A and Noctua NH-U9DX i4 are in Supported Sockets, Fan RPM and Height.

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Noctua NH-L9A	Noctua NH-U9DX i4
Prices (Change region) Out of Stock Free shipping $60.95 - Buy now	Prices (Change region) Out of Stock Free shipping $65.99 Out of Stock Free shipping $86.62 Out of Stock Free shipping $141.43 - Buy now Show 1 more offers
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Brand noctua	Brand Noctua
Model NH-L9a	Model nh-u9dxi4
Release Date 📅 July 2013	Release Date -
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews Add a product review
Price history View Details ►	Price history View Details ►
Compatible PC parts Processors ► Motherboards ► Cases ►	Compatible PC parts Processors ► Motherboards ► Cases ►
Supported Sockets AM2 AM2+ AM3 AM3+ AM4 AM5 FM1 FM2 FM2+	Supported Sockets AM4 AM5 LGA1366 LGA2011 LGA2011-3 LGA2066
Liquid Cooler No	Liquid Cooler No
Noise Level -	Noise Level 13.1 - 17.6 dB
Fan RPM 2500 RPM	Fan RPM 300 - 1600 RPM
Height 37 mm	Height 125 mm