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Thermalright · Air · 151 mm tall

Thermalright Assassin X 120R Digital ARGB White

1 fan · 29.8 dBA · RGB

Performance
66%
Perf / price
117
Acoustics
64
Amazon
$25
$25
Available on Amazon Updated Aug 30, 2026 Prime FBA
Performance66.0%
Performance / price116.6
Acoustics63.8
$25 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 Assassin X 120R Digital ARGB White at a glance

The Thermalright Assassin X 120R Digital ARGB White is a Air cooler listed as 151 mm tall. It is listed with 1 120 mm fan.

Review-derived relative cooling performance is 66.0%. Recorded noise is 29.8 dBA, for an acoustics score of 63.8. Airflow is listed at 78.8 CFM. Warranty is 5 years.

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

Fitment and sockets

Tower height is 151 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 $25, performance / price is 116.6. 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 Assassin X 120R Digital ARGB White
Warranty
5 years
Launch price
Amazon price
$25
Amazon availability
Available
Price updated
Aug 30, 2026

Cooling type & fit

Type
Air
Size class
151 mm tall
Height
151 mm
Cooler dimensions
120 x 46 x 151 mm

Value

Amazon price
$25
Relative performance
66.0%
Performance / price
116.6
Acoustics
63.8

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
1
Fan speed
2000 rpm
Noise
29.8 dBA
Airflow
78.8 CFM
Acoustics score
63.8

Features

RGB lighting
Yes
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 Combination Of Heat Dissipation] The CPU cooler is composed of the top cover of the LCD panel + 4 heat pipe single tower + 2000RPM high-speed CPU fan, which can give full play to the heat dissipation effect of the cooler, and can also know the CPU temperature, CPU usage, and graphics card temperature at any time

[Product Specifications] Model: Assassin X 120 R Digital BLACK, Size: 120x71x151mm, Heat Sink Material: Aluminum, Fan Size: 120x120x25mm, Fan Speed: 2000RPM+10%, Wind Pressure: 2.63MM H2O, Air Volume: 70.84CFM, Operating Noise ≤ 29.8db (A), Fan Interface: 4PIN PWM, Main Body adopts symmetrical all aluminum fins, Combined with PWM fan, it can bring a larger heat dissipation area

[2000RPM PWM Fan] The heatsink cooler is equipped with a performance-level fan speed of 2000RPM,and the cpu fan has a PWM function,which can adjust the speed according to the temperature of the motherboard,without manual adjustment.UL CLASSA safety insulation grade industrial grade PBT+PC material,as well as the S-FDB bearing of the fan,can well solve the problem of fan blade shaking in hoisting mode.Silicone corner pads around the fan can reduce the noise caused by rotation to a certain extent

[Digital Screen Top Cover] while maintaining heat dissipation performance, the radiator is equipped with a digital screen top cover, using TRCC software, it can display CPU temperature, CPU usage, graphics card temperature, graphics card occupancy, etc., you can easily grasp the temperature parameters

[Wide Compatibility] heatsink compatible with dual platform (Intel 14/15th Gen + AMD RYZEN 7000) sockets: Intel LGA 1851/1700/1150/1151/1155/1156/1200; AMD: AM4/AM5; The radiator comes with an installation accessory that can be installed according to the installation video or manual. (Note: To install the AMD platform, you need to use the original backplate of the motherboard for installation) If you have any questions, please contact the store's customer service

[ARGB Divine Light Synchronization] The ARGB of the pwm fan is synchronized with the 5V 3pin on the motherboard to achieve light synchronization. The colourful soft light effect of this ARGB fan provides rich lighting effects while efficiently dissipating heat, cooling the CPU temperature while realizing the colour changing transformation, combining the performance with the colour perfectly.