Thermalright Peerless Assassin 120 SE

155 mm
Price in EUR including VAT
35Ratings
BrandMore from Thermalright
Test reportsVery good based on 2 tests
Delivered Tue, 15.7.
More than 10 pieces in stock
free shipping

Product details

Black twin-tower CPU cooler with 2x 120mm PWM fans that can reach up to 1,550 RPM and six copper heat pipes. Compatible with AMD and Intel CPUs.

Key specifications

Socket
AM4, AM5, LGA 1150, LGA 1151, LGA 1155, LGA 1156, LGA 1200, LGA 1700, LGA 1851
Height (with fan)
155 mm
Diameter
120 mm
Number of fans
2 x
Airflow
112.42 m³/h
power connector
4-pin PWM
Item number
35854223

General information

Manufacturer
Thermalright
Category
CPU coolers
Manufacturer no.
419043
Release date
26.5.2023
Sales rank in Category CPU coolers
7 of 912

Colour

Colour
Black, Silver
Exact colour description
Black

Cooler properties

CPU cooler design
Dual Tower
Fan type
Standard
Socket
AM4, AM5, LGA 1150, LGA 1151, LGA 1155, LGA 1156, LGA 1200, LGA 1700, LGA 1851
Supported fan sizes
120mm

Heat sink properties

Number of heatpipes
6
Diameter heat pipe
6 mm
Materials radiator core
Copper
Material cooling fins
Aluminium

Fan dimensions

Diameter
120 mm

Fan properties

Number of fans
2 x
Maximum mountable fan
2
Max. Speed
1550 RPM
Airflow
112.42 m³/h
Static pressure
0.16 Pa
Max. noise level
25.60 dB
LED colour
without LED
Fan bearing type
Fluid Dynamic bearing

Connections

power connector
4-pin PWM

Power supply

Power consumption
2.40 W
Voltage
12 V

Scope of delivery

Scope of delivery
2x 120 mm fan

Origin

Country of origin
China

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Width (with fan)
125 mm
Length (with fan)
135 mm
Height (with fan)
155 mm
Weight
970 g

Package dimensions

Length
24.90 cm
Width
22.90 cm
Height
16.10 cm
Weight
1.45 kg

14-day cancellation right
30-day right of return
24 Months statutory warranty

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Reviews & Ratings

Statutory warranty score

How often does a product of this brand in the «CPU coolers» category have a defect within the first 24 months?

Source: Galaxus
  • 1.Thermalright
    0,1 %
  • 2.be quiet!
    0,2 %
  • 2.Noctua
    0,2 %
  • 4.Arctic
    0,3 %
  • 4.Scythe
    0,3 %

Statutory warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Galaxus
  • Thermalright
    Not enough data
  • 1.Arctic
    0 days
  • 1.be quiet!
    0 days
  • 1.Deepcool
    0 days
  • Alpenföhn
    Not enough data

Return rate

How often is a product of this brand in the «CPU coolers» category returned?

Source: Galaxus
  • 1.Thermalright
    2,3 %
  • 2.Scythe
    2,9 %
  • 2.Xilence
    2,9 %
  • 4.Arctic
    3 %
  • 4.Thermaltake
    3 %
Source: Galaxus

Translation: machine translated
Overall ratingVery good91/100
Without ratingNo rating
CT Magazin Logo
CT MagazinProzessorkühler im TestReleaseJuly 2025
  • PositiveVery high cooling capacity
  • Positivecheap
  • NegativeMinor processing defects

The Thermalright twin-tower cooler is currently recommended in many DIY forums - and rightly so. In terms of cooling performance, it is on a par with the Noctua cooler, which costs a good twice as much. You don't want to run the dual fans above 1200 rpm, because then they quickly become loud...

Very good91/100
Basic TutorialsSingle testReleaseJanuary 2024

With the Peerless Assassin 120 SE, Thermalright continues to offer a good overall package for a small budget. Despite its size, the CPU cooler can be easily and securely mounted on many different sockets and has a discreet black and silver look. The Peerless Assassin 120 SE is also available in white or with RGB fans, and at a price that is barely higher...