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Noctua · Air · 77 mm tall

Noctua NH-L12Sx77

1 fan · 23.9 dBA

Performance: 63%
Perf / price: 35
Acoustics: 79
Amazon: $80

View Noctua NH-L12Sx77 Gallery in high resolution

Available on Amazon Updated Aug 30, 2026 Prime FBA

Performance63.0%

Performance / price34.7

Acoustics79.5

$80 on Amazon Cooler table Compare this cooler

Check this cooler in a buildSelect a CPU and case first so socket, height, and radiator support can be evaluated. Start with the CPU

Written analysis

Noctua NH-L12Sx77 at a glance

The Noctua NH-L12Sx77 is a Air cooler listed as 77 mm tall. It is listed with 1 120 mm fan.

Review-derived relative cooling performance is 63.0%. Recorded noise is 23.9 dBA, for an acoustics score of 79.5. Airflow is listed at 55.44 CFM. Warranty is 6 years.

Best fit: Compact or value builds where clearance, noise, and price outweigh peak thermal headroom.

Fitment and sockets

Tower height is 77 mm — check case cooler clearance before buying. Socket compatibility includes AM5, AM4, LGA 1700, LGA 1851, LGA 1954, LGA 1156, LGA 1155, LGA 1150, LGA 1151, LGA 1200. CPU block / cold plate: Copper.

Current value

At $80, performance / price is 34.7. Compare nearby coolers of the same type below; quieter acoustics and fitment can outweigh a small score gap.

Cooler data

Full specifications

Cooling type, fitment, sockets, fans, acoustics, features, and value in one technical sheet.

General

Manufacturer: Noctua
Cooler: Noctua NH-L12Sx77
Warranty: 6 years
Launch price: —
Amazon price: $80
Amazon availability: Available
Price updated: Aug 30, 2026

Cooling type & fit

Type: Air
Size class: 77 mm tall
Height: 77 mm
Cooler dimensions: 77 x 128 x131 mm

Value

Amazon price: $80
Relative performance: 63.0%
Performance / price: 34.7
Acoustics: 79.5

Sockets & block

Socket compatibility: AM5, AM4, LGA 1700, LGA 1851, LGA 1954, LGA 1156, LGA 1155, LGA 1150, LGA 1151, LGA 1200
CPU block: Copper

Fans & acoustics

Fan size: 120 mm
Fan count: 1
Fan speed: 1850 rpm
Noise: 23.9 dBA
Airflow: 55.44 CFM
Acoustics score: 79.5

Features

RGB lighting: No
Thermal paste included: No
Display: 0
Color: Silver

Amazon

Price history

Nearby performance

Similar coolers

Coolers close to Noctua NH-L12Sx77 on relative performance. Open the cooler table to sort, filter, and compare side by side.

Cooler Master CM Hyper 212 Halo Black Air · 154 mm tall

62.0%

82.7

70.4

$33

be quiet! be quiet! Dark Rock Slim Air · 159 mm tall

62.5%

68.6

80.5

$40

ID-Cooling ID-COOLING SE-224-XTS Air · 151 mm tall

63.0%

92.4

65.7

$30

Noctua Noctua NH-L12Sx77 This cooler

63.0%

34.7

79.5

$80

Thermalright Thermalright Peerless Assassin 120 Mini Black Air · 135 mm tall

63.0%

80.6

74.2

$34

Thermalright Thermalright Peerless Assassin 120 Mini White Air · 135 mm tall

63.0%

81.8

74.2

$34

be quiet! be quiet! Pure Rock Slim 3 Air · 127 mm tall

64.0%

123.0

76.6

$23

Thermalright Thermalright Assassin X120 Air · 148 mm tall

64.0%

174.8

74.2

$16

Thermalright Thermalright Assassin X120 Refined SE ARGB Air · 148 mm tall

64.0%

165.5

74.2

$17

Compare these in the cooler table

Discussion

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Vendor copy

Amazon listing details

Marketplace feature text kept for reference. Structured specifications above are the source for scores and comparisons.

Performance-enhanced taller version of the award-winning NH-L12S: Six heatpipes for improved thermal headroom, increased clearance for better motherboard and RAM compatibility

77mm total height and bottom-to-top airflow direction for optimal acoustics and direct exhaust of hot air in compact cases, ideal for the Fractal Design Terra, Silverstone Milo ML12 or Louqe Raw S1 chassis

Highly optimised NF-A12x15 slim 120mm fan with Low-Noise Adaptor and PWM for automatic speed control: full cooling performance under load, near-silent at idle

Includes high-end NT-H2 thermal paste and SecuFirm2 mounting system for easy installation on Intel LGA1851, LGA1700, LGA1200, LGA115x and AMD AM5 & AM4 (offset mounting option for best efficiency)

Perfect for powerful yet compact and quiet Small Form Factor builds and ITX systems, deluxe choice for Intel Core & Core Ultra (e.g. 285K, 265K, 245K) and AMD Ryzen (e.g. 9950X, 9900X, 9700X, 9600X)

Noctua NH-L12Sx77 at a glance

Fitment and sockets

Current value

General

Cooling type & fit

Value

Sockets & block

Fans & acoustics

Features

Price history

Similar coolers

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Amazon listing details

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