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Thermalright Assassin X 120R SE V2 CPU Cooler, 4×6mm Heat Pipes, 1550RPM Speed 120mm RGB PWM Quiet Fan CPU Cooler with S-FDB Bearing, for AMD AM4 AM5/Intel 1700/1150/1151/1200/1851
Thermalright

Thermalright Assassin X 120R SE V2 CPU Cooler

Bottom line: The Thermalright Assassin X 120R SE V2 CPU Cooler: 66.17 CFM max airflow from the 1550RPM TL-C12C-L V2 PWM fan; main trade-off: aluminum fin stack, not a dual-tower — limits high-TDP headroom.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ 66.17 CFM max airflow from the 1550RPM TL-C12C-L V2 PWM fan
  • ✓ 148mm height clears most mid-tower cases
  • ✓ Covers Intel LGA1150-1851 and AMD AM4/AM5 with included fasteners

Cons

  • ✗ Aluminum fin stack, not a dual-tower — limits high-TDP headroom
  • ✗ 25.6dB(A) is audible at full 1550RPM in a quiet room
  • ✗ Single 120mm fan; no second fan or push-pull mount included
  • ✗ RGB shares the fan power lead, so lighting cannot be controlled separately

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SpecPicks Verdict

SpecPicks scored Thermalright Assassin X 120R SE V2 CPU Cooler using a rating × review-volume × price-fit model applied to published specs and reviews across the retro cpu coolers & fans category. Thermalright's retro cpu coolers & 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 retro cpu coolers & 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

  • [Product specification] AX120R SE V2; CPU Cooler dimensions: 120(L)x71(W)x148(H)mm (4.92x2.8x 5.83 inch); Heat sink material: aluminum, CPU cooler is equipped with metal fasteners of Intel & AMD platform to achieve better installation,Pure copper base + 4 heatpipes + 1550RPM speed high-performance fan can greatly improve the performance of cooling, and the height of 148mm can be compatible with more cases.
  • 【PWM Fans】Model:TL-C12C-L V2; Standard size PWM fan:120x120x25mm (4.72x4.72x0.98 inches); fan speed (RPM):1550rpm±10%; power port: 4pin; Voltage:12V; Air flow:66.17CFM(MAX); Noise Level≤25.6dB(A), the fan pairs efficient cool with low-noise-level, providing you an environment with both efficient cool and true quietness
  • 【Quality Bearings】The carefully developed quality S-FDB bearings solve the problem of pc cooling fan blade shaking in lifting mode, keeping fan noise to a minimum while providing maximum cooling performance when needed and extending the life of the fan.
  • 【Detail adjustment】UL class a safety insulation low-grade, industrial strength PBT + PC material to create high-quality products for you. The height is 148mm, Suitable for medium-sized computer case, no blocking of the overall memory installation, self-luminous fan power supply and lighting interface share a common interface, once plugged in, lights up
  • 【Compatibility】The CPU cooler Socket supports: Intel: LGA1150/1151/1155/1156/1200/1700/17XX/1851;AMD:AM4/AM5; for different CPU socket platforms, corresponding mounting plate or fastener parts are provided.It can be installed according to the installation video or instructions.

Full Specifications

BrandThermalright
ModelAX120 SE V2
Voltage12 volts
Wattage15 watts
MaterialAluminum, Metal
Dimensions4.92x2.8x 5.83 inch
Unit Count1 Count
Noise Level22 db
Part NumberAX120 SE V2
CompatibilityPC
Material TypeAluminum, Metal
Cooling MethodAir
Number of Items1
Number of Packs1
Air Flow Capacity66.17 cfm
Compatible DevicesDesktop
Included ComponentsCPU COOLER
Power Connector Type4-Pin
Maximum Rotational Speed1550 rpm
Item Dimensions L x W x H4.92"L x 2.8"W x 5.83"H
Full listing titleThermalright Assassin X 120R SE V2 CPU Cooler, 4×6mm Heat Pipes, 1550RPM Speed 120mm RGB PWM Quiet Fan CPU Cooler with S-FDB Bearing, for AMD AM4 AM5/Intel 1700/1150/1151/1200/1851

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Thermalright Assassin X 120R SE V2 CPU Cooler, 4×6mm Heat Pipes, 1550RPM Speed 120mm RGB PWM Quiet Fan CPU Cooler with S-FDB Bearing, for AMD AM4 AM5/Intel 1700/1150/1151/1200/1851 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.

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Thermalright Assassin X 120R SE V2 CPU Cooler, 4×6mm Heat Pipes, 1550RPM Speed 120mm RGB PWM Quiet Fan CPU Cooler with S-FDB Bearing, for AMD AM4 AM5/Intel 1700/1150/1151/1200/1851
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