Thermalright Assassin X 120R Digital White CPU Cooler

Thermalright Assassin X 120R Digital White is a single-tower air CPU cooler with a digital top cover and PWM fan. Its listed socket support spans several Intel and AMD platforms, while the display claims to show CPU and graphics-card information.

At a glance

Digital top-cover display is claimed to show CPU temperature, CPU utilisation and graphics-card temperature and utilisation.
The listing describes a single-tower aluminium heatsink with four heatpipes and a 120 mm PWM fan.
Listed compatibility includes Intel LGA 1851, 1700, 1150, 1151, 1155, 1156 and 1200, plus AMD AM4 and AM5.

Price

€20.72Save 20%

Reference price: ~~€25.90~~

Price checked: 13 Nov 2026

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Pros and cons

Pros

A digital display offers at-a-glance system readings without relying solely on software overlays.
The stated 151 mm height may suit some cases with limited cooler clearance, but check the case's maximum CPU-cooler height.

Technical specifications

24 specifications

Identity
Brand	Thermalright
Model	Assassin X 120R Digitaler White

Cooling and fan
Cooling method	Air
Fan size	120x120x25mm
Maximum fan speed	2000 RPM
Fan speed claim	2000rpm + 10%
Airflow	70.84 Cubic Feet Per Minute
Air volume	70.84cfm
Wind pressure	2.63mm H2O
Noise level	29.8 Decibels
Operating noise claim	≤29.8
Power connector	4-Pin
Fan interface	4-pin PWM
Voltage	12 Volts (AC)

Dimensions and materials
Listed dimensions	15.1L x 7.1W x 15.1H centimetres
Product size	120x71x151mm
Heatsink height	151mm
Material listed	Aluminum
Heatsink material	Aluminium

Compatibility and listed contents
Compatible device	Desktop
Intel sockets	Intel LGA 1851/1700/1150/1151/1155/1156/1200
AMD sockets	AMD: AM4/AM5
Included components	CPU Cooler
Part number	AX120R D WHITE-D5

What to know before buying

Listing details to confirm

The listing is inconsistent about dimensions, fan speed, airflow and noise: it gives both centimetre and millimetre dimensions, 2000 RPM and 2000rpm + 10%, two airflow formats and 29.8 Decibels versus ≤29.8. It also describes display readings including graphics-card assignment, which is unclear. Confirm the exact specification and display functions for the selected listing. For AMD installation, the listing says to use the motherboard's original backplate. It does not confirm that the display's required connection or software is included.

What’s in the box

Included

CPU cooler

Who is it for?

A good fit for

Desktop builders seeking an air cooler with a digital cover and listed support for AM4/AM5 or several Intel LGA sockets.
Buyers whose case clearance has been checked against the listed 151 mm cooler height.

Less suited to

Buyers who need a confirmed noise, airflow or fan-speed figure before purchase.
Builders who cannot verify the display connection or required software for their system.

Thermalright Assassin X 120R Digital White CPU Cooler · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 18 ratings

5 stars73%73%
4 stars14%14%
3 stars13%13%
2 stars0%0%
1 star0%0%

The supplied evidence contains aggregate ratings but no review comments, so it does not establish specific customer-reported strengths or concerns. The rating distribution leans positive while including some three-star ratings. Treat that as a limited overall signal, not confirmation of cooling, noise or display performance.

Frequently asked questions

Which CPU sockets are listed as compatible?

The listing names Intel LGA 1851, 1700, 1150, 1151, 1155, 1156 and 1200, along with AMD AM4 and AM5. Check your motherboard socket and the selected listing before ordering.

What does the digital cover display?

The listing claims it can show CPU temperature and utilisation, as well as graphics-card temperature and utilisation. The exact display functions and any connection or software requirements are not confirmed.

How much clearance does the cooler need?

The listing gives a heatsink height of 151mm and also provides dimensions in centimetres. Check your case's CPU-cooler clearance and verify the dimensions because the listing uses inconsistent formats.

What should AMD buyers know about installation?

The listing says AMD installation uses the motherboard's original backplate.