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Thermalright

Peerless Assassin 120 SE Spec and Price in the United Kingdom

Air

A dual-tower air cooler standing 155 mm tall on six 6 mm heatpipes over a nickel-plated C1100 copper base. Thermalright specifies the TL-C12C fan at 120 mm, 1550 rpm and 25.6 dB(A) on an S-FDB bearing with a 4-pin PWM connector. Mounting covers Intel LGA115X, 1200, 1700 and 1851 alongside AMD AM4 and AM5. Thermalright publishes neither a fan quantity nor a product warranty period.

Current best price
£25.90at Amazon.co.uk · captured 2026-09-15View at Amazon.co.uk

Captured periodically and may have changed.

Price history

30D90D180DAll
  • Peerless Assassin 120 SE
July 6, 202630 capturestoday · £25.90

Each point is one capture, not a list price. How we track prices

Specifications

Cooler type
Air
Noise
25.6 dBA
Fan size
120 mm
Height
155 mm
Socket support
AM5, AM4, LGA1851, LGA1700, LGA1200, LGA115X
Max fan speed
1550 RPM
Bearing
S-FDB Bearing
Heatpipes
6
PWM
Yes
RGB
No

Guides for this category

How to choose a CPU coolerHow to match a cooler to the heat your CPU makes, what air and liquid each trade away, and the fit checks that decide whether it goes in at all.

What owners and reviewers say

Summarised from 1 source(s), reviewed September 13, 2026. A source is counted only where it names this model exactly. How we track prices

Commonly praised

  • Capable of cooling over 200W, budget-friendly and extremely quiet, with exceptionally strong performance at lower power levels.

Sources behind this summary

Sources

Every spec above was pulled from one of these — a field a source didn't state was left off rather than estimated.