Noctua NL-LC1-42 vs be quiet! BK008 Pure Rock Slim CPU Cooler Comparison

The main differences between Noctua NL-LC1-42 and be quiet! BK008 Pure Rock Slim are in Supported Sockets, Liquid Cooler, Noise Level and Fan RPM.

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Noctua NL-LC1-42	be quiet! BK008 Pure Rock Slim
Prices (Change region) In Stock $279.95 Last updated 32 minutes ago.	Prices (Change region) Out of Stock + $8.34 Shipping $27.90 - Buy now
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Brand Noctua	Brand be quiet!
Model NL-LC1-42	Model BK008
Release Date 📅 June 2026	Release Date 📅 September 2017
* 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 FM1 FM2 FM2+ LGA1150 LGA1151 LGA1155 LGA1156 LGA1200
Liquid Cooler Yes	Liquid Cooler No
Radiator Size 420 mm	Radiator Size -
Noise Level 24.8 dB	Noise Level 13.1 - 25.4 dB
Fan RPM 0 - 1500 RPM	Fan RPM 2000 RPM
Height 70 mm	Height 125 mm

Comparison and key differences summary

Reasons to buy the Noctua NL-LC1-42:

Newer Product, it was released around 9 years later
Supports the following socket formats: AM5, LGA1700, LGA1851
Generally quieter under full load

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Reasons to buy the be quiet! BK008 Pure Rock Slim:

90% cheaper, you can save $252.05
Supports the following socket formats: AM2, AM2+, AM3, AM3+, FM1, FM2, FM2+, LGA1150, LGA1151, LGA1155, LGA1156, LGA1200

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