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Compare Noctua NH-U12S vs NH-L9a-AM5

The main differences between Noctua NH-U12S and Noctua NH-L9a-AM5 are in Supported Sockets, Noise Level, Fan RPM and Height.

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Noctua NH-U12S	Noctua NH-L9a-AM5
Prices (Change region) In Stock $84.95 Last updated 44 minutes ago. In Stock + $11.45 Shipping $84.95	Prices (Change region) In Stock $49.95 Last updated 47 minutes ago. In Stock Free shipping $59.40
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Brand Noctua	Brand Noctua
Model NH-U12S	Model NH-L9a-AM5
Release Date 📅 July 2013	Release Date 📅 January 2023
* 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+ LGA1150 LGA1151 LGA1155 LGA1156 LGA1200 LGA1700 LGA1851 LGA2011 LGA2011-3 LGA2066	Supported Sockets AM5
Liquid Cooler No	Liquid Cooler No
Noise Level 18.6 - 22.4 dB	Noise Level 14.8 - 23.6 dB
Fan RPM 300 - 1500 RPM	Fan RPM 600 - 2500 RPM
Height 158 mm	Height 37 mm

Comparison and key differences summary

Reasons to buy the Noctua NH-U12S:

Supports the following socket formats: AM2, AM2+, AM3, AM3+, AM4, FM1, FM2, FM2+, LGA1150, LGA1151, LGA1155, LGA1156, LGA1200, LGA1700, LGA1851, LGA2011, LGA2011-3, LGA2066
Generally quieter under full load

Reasons to buy the Noctua NH-L9a-AM5:

41% cheaper, you can save $35.00
Newer Product, it was released around 10 years later

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