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Thermalright Peerless Assassin 120 ARGB Black V3 CPU Cooler,6 Heat Pipes CPU Air Cooler,Dual TL-P12-S PWM Fans,157mm High,for Intel LGA1700/1851/1150/1151/1200/,AM4/AM5
Thermalright

Thermalright Peerless Assassin 120 ARGB Black V3 CPU Cooler (AM4/AM5)

Bottom line: The Thermalright Peerless Assassin 120 ARGB Black V3 CPU Cooler ($37.90 on Amazon as of 2026-10-07): Six 6mm AGHP copper heat pipes in a dual-tower aluminum fin stack; main trade-off: 157mm height rules out many compact and SFF cases; check cooler clearance first.

$37.90

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Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Six 6mm AGHP copper heat pipes in a dual-tower aluminum fin stack
  • ✓ Two TL-P12-S 120mm PWM fans: 2000 RPM, 70.84 CFM, 2.63 mmH2O static pressure
  • ✓ Fan noise rated at 29.8 dB(A) or less
  • ✓ Chamfered, asymmetric towers clear tall RAM and the top PCIe slot
  • ✓ Fits LGA1851/1700/1200/115x and AM4/AM5; PWM splitter syncs both fans

Cons

  • ✗ 157mm height rules out many compact and SFF cases; check cooler clearance first
  • ✗ AMD install reuses the motherboard's stock backplate; none supplied for AM4/AM5
  • ✗ Very tall RAM may force the front fan higher, adding to overall height
  • ✗ 125x135mm dual-tower body is bulky to fit in cramped mid-tower cases

SpecPicks Verdict

SpecPicks scored Thermalright Peerless Assassin 120 ARGB Black V3 CPU Cooler using a rating × review-volume × price-fit model applied to published specs and reviews across the cooling & fans category. Thermalright's cooling & fans lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for cooling & fans of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • [CPU Cooler Model] Peerless Assassin 120 ARGB Black V3, Size: 125x135x157mm, Radiator Material: Pure Copper Heat Pipe + Aluminum Fin, 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, The dual-tower main radiator, combined with 2 PWM fans, can bring good heat dissipation.
  • [Avoid Memory Design]Considering the limitation of memory height, the heatsink adopts a chamfered corner treatment design to avoid memory, so that when installing the fan, the fan is not blocked by the memory, and if the memory height exceeds too much, the fan can be installed upwards. Asymmetrical design of dual-tower heatsink for compatibility with PCle graphics cards or motherboard heatsinks.
  • [AGHP Heat Pipe Technology] 6x6mm heat pipe adopts AGHP technology, which can well solve the influence of reverse gravity caused by the vertical and horizontal installation directions. Seiko reflow soldering micro-engraved copper base, combined with fully electroplated heat pipes, and aluminum fins twin tower body, with high-performance CPU fans, further improves the heat dissipation effect.
  • [Detail Optimization]The cpu cooling comes with a 1-point 2-wire PWM control cable, one end is 3 pins, the other end is 4 pins, dual fans can achieve PWM synchronous speed control, the light interface of the fan has a series function, the attached SS2 buckle, a variety of specifications adaptation, compatible with a variety of CPU models, easy to install and remove, easy to maintain and upgrade.
  • [Wide Compatibility] Heatsink compatible with dual platform sockets: Intel LGA 1851/1700/1150/1151/1155/1156/1200;AMD: AM4/AM5;cpu cooler 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)

Full Specifications

BrandThermalright
MaterialCopper, Aluminum, Polybutylene Terephthalate, Pc
Dimensions125x135x157mm
Unit Count1.0 Count
Noise Level29.8 Decibels
Part NumberPA120 ARGB BLACK V3-D2
Material TypeCopper, Aluminum, Polybutylene Terephthalate, Pc
Cooling MethodAir
Number of Items1
Air Flow Capacity70.84 Cubic Feet Per Minute
Compatible DevicesDesktop
Included ComponentsCase fan
Power Connector Type4-Pin
Maximum Rotational Speed2000 RPM
Item Dimensions L x W x H4.92"L x 5.31"W x 6.18"H
Full listing titleThermalright Peerless Assassin 120 ARGB Black V3 CPU Cooler,6 Heat Pipes CPU Air Cooler,Dual TL-P12-S PWM Fans,157mm High,for Intel LGA1700/1851/1150/1151/1200/,AM4/AM5

Ready to buy?

Thermalright Peerless Assassin 120 ARGB Black V3 CPU Cooler,6 Heat Pipes CPU Air Cooler,Dual TL-P12-S PWM Fans,157mm High,for Intel LGA1700/1851/1150/1151/1200/,AM4/AM5 is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $37.90

*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.

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