Noctua NH-L9i vs NH-U12A CPU Cooler Comparison

The main differences between Noctua NH-L9i and Noctua NH-U12A are in Supported Sockets, Noise Level, Fan RPM and Height.

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Noctua NH-L9i	Noctua NH-U12A
Prices (Change region) In Stock $49.95 Last updated 17 minutes ago. In Stock + $11.20 Shipping $49.95	Prices (Change region) In Stock + $11.62 Shipping $114.95
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Brand Noctua	Brand Noctua
Model NH-L9i	Model NH-U12A
Release Date 📅 July 2013	Release Date -
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★★ (174 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 ►
Pros Ultra compact Quiet straight out of the box Simple installation	Pros -
Cons Supports only a few Intel sockets Cannot be used with Intel CPUs with higher than 65watt TDP	Cons -
Supported Sockets AM4 AM5 LGA1150 LGA1151 LGA1155 LGA1156 LGA1200	Supported Sockets AM2 AM2+ AM3 AM3+ AM4 AM5 FM1 FM2 FM2+ LGA1150 LGA1151 LGA1155 LGA1156 LGA1200 LGA1700 LGA1851 LGA2011 LGA2011-3 LGA2066
Liquid Cooler No	Liquid Cooler No
Bearing Type Unknown	Bearing Type -
Noise Level 14.8 - 23.6 dB	Noise Level 18.8 - 22.6 dB
Fan RPM 600 - 2500 RPM	Fan RPM 450 - 2000 RPM
Height 37 mm	Height 158 mm

Comparison and key differences summary

Reasons to buy the Noctua NH-L9i:

57% cheaper, you can save $65.00

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Reasons to buy the Noctua NH-U12A:

Supports the following socket formats: AM2, AM2+, AM3, AM3+, FM1, FM2, FM2+, LGA1700, LGA1851, LGA2011, LGA2011-3, LGA2066
Generally quieter under full load

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