Noctua NL-LC1-42 vs Alphacool 11390 Eisbaer 420 CPU Cooler Comparison

Noctua NL-LC1-42 and Alphacool 11390 Eisbaer 420 are both cpu coolers with the same Radiator Size (420 mm). The main differences are in Supported Sockets, Noise Level and Fan RPM.

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Noctua NL-LC1-42	Alphacool 11390 Eisbaer 420
Prices (Change region) In Stock $279.95 Last updated 12 minutes ago.	Prices (Change region) Out of Stock + $19.49 Shipping $170.45 - Buy now
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Brand Noctua	Brand Alphacool
Model NL-LC1-42	Model 11390
Release Date 📅 June 2026	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 AM4 AM5 LGA1700 LGA1851	Supported Sockets AM2 AM2+ AM3 AM3+ AM4 AM5 FM1 FM2 FM2+ LGA1150 LGA1151 LGA1155 LGA1156 LGA1200 LGA1366 LGA2011 LGA2011-3 LGA2066 sTR4 sTR5 sTRX4 sWRX8
Liquid Cooler Yes	Liquid Cooler Yes
Radiator Size 420 mm	Radiator Size 420 mm
Noise Level 24.8 dB	Noise Level 29.4 dB
Fan RPM 0 - 1500 RPM	Fan RPM 1100 RPM
Height 70 mm	Height -

Comparison and key differences summary

Reasons to buy the Noctua NL-LC1-42:

Supports the following socket formats: LGA1700, LGA1851
Generally quieter under full load

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Reasons to buy the Alphacool 11390 Eisbaer 420:

39% cheaper, you can save $109.50
Supports the following socket formats: AM2, AM2+, AM3, AM3+, FM1, FM2, FM2+, LGA1150, LGA1151, LGA1155, LGA1156, LGA1200, LGA1366, LGA2011, LGA2011-3, LGA2066, sTR4, sTR5, sTRX4, sWRX8

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