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Thermalright · Air · 165 mm tall

Thermalright Peerless Assassin 140 Digital White

2 fans · 29.6 dBA

Performance
82%
Perf / price
65
Acoustics
64
Amazon
$56
$56
Available on Amazon Updated Aug 30, 2026 Prime FBA
Performance82.0%
Performance / price64.5
Acoustics64.2
$56 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

Thermalright Peerless Assassin 140 Digital White at a glance

The Thermalright Peerless Assassin 140 Digital White is a Air cooler listed as 165 mm tall. It is listed with 2 120 mm fans.

Review-derived relative cooling performance is 82.0%. Recorded noise is 29.6 dBA, for an acoustics score of 64.2. Airflow is listed at 82 CFM. Warranty is 5 years.

Best fit: Mainstream and performance desktop builds that need solid review-derived cooling performance.

Fitment and sockets

Tower height is 165 mm — check case cooler clearance before buying. Socket compatibility includes LGA 1700, LGA 1151, LGA 1155, LGA 1156, LGA 1200, LGA 1851, AM4, AM5. CPU block / cold plate: Copper.

Current value

At $56, performance / price is 64.5. 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
Thermalright
Cooler
Thermalright Peerless Assassin 140 Digital White
Warranty
5 years
Launch price
Amazon price
$56
Amazon availability
Available
Price updated
Aug 30, 2026

Cooling type & fit

Type
Air
Size class
165 mm tall
Height
165 mm
Cooler dimensions
140 x 132 x 165 mm

Value

Amazon price
$56
Relative performance
82.0%
Performance / price
64.5
Acoustics
64.2

Sockets & block

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

Fans & acoustics

Fan size
120 mm
Fan count
2
Fan speed
1850 rpm
Noise
29.6 dBA
Airflow
82 CFM
Acoustics score
64.2

Features

RGB lighting
No
Thermal paste included
No
Display
1
Color
White

Amazon

Price history

Nearby performance

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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.

[Good Heat Dissipation] CPU cooler mainly consists of a dual-tower + 2 fans + magnetic top cover of the digital plate, 6 pure copper heatpipes with a pure copper base, can be very good contact with the CPU temperature, in the combination of 1850RPM high speed, so that the cooler has a good heat dissipation efficacy

[Dual Towers Dual Fans Cooling] The cooler is paired with high speed dual fans, a combination of 12cm and 14cm fans, which can easily dissipate CPU temperatures, and the fans feature PWM intelligent temperature control, eliminating the need to manually adjust the fixed speed. Soft corner pads around the fans reduce vibration noise during fan operation

[165mm Height] The overall height of the cooler is 165mm, making it compatible with mainstream ATX cases. The cooling tower is painted in a solid black coating style, and the magnetic top cover with digital display panel design combines the high cooling function of the cooler with innovative technology. The overall design of the dual tower with dual fans is compatible with high waistcoat memory and graphics card installation

[TRCC Software] TRCC Control Centre can freely monitor the parameters of CPU and GPU temperature and occupancy, and the data text can be freely adjusted in colour. The power supply and data communication transmission of the digital display board are provided by the 9PIN USB interface of the motherboard, please ensure the integrity of the wiring before installing the software, which can be downloaded and installed from the official website

[Wide Compatibility] The cpu cooler is compatible with platforms: AMD: AM4/AM5 and LGA1851/1700/1150/1151/1155/1156/1200/2011/2066,comes with dual-platform mounting grommets, which can be well mounted to the corresponding platforms, and can be installed according to the manuals or installation videos. (Note: AMD platform installation requires the use of the motherboard's original backplane, this product does not come with the backplane)