Thermalright
Thermalright Peerless Assassin 120 SE V3 CPU Air Cooler
Bottom line: The Thermalright Peerless Assassin 120 SE V3 CPU Air Cooler ($35.90 on Amazon as of 2026-10-06): Six 6mm AGHP 5th-gen nickel-plated heat pipes handle vertical or horizontal mounts; main trade-off: 135mm tall dual-tower body can foul tall RAM and small cases.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Six 6mm AGHP 5th-gen nickel-plated heat pipes handle vertical or horizontal mounts
- ✓ Dual 120mm TL-P12 PWM fans hit 70.84 CFM and 2.63mm H2O static pressure
- ✓ Rated at 29.8dB(A) max, quiet enough for an open-air desk build
- ✓ Fits LGA1851/1700/1200/115x and AM4/AM5 with bundled hardware
Cons
- ✗ 135mm tall dual-tower body can foul tall RAM and small cases
- ✗ AM4/AM5 install reuses the motherboard backplate, which is not included
- ✗ 2000RPM top speed means audible fan noise under sustained full load
- ✗ Aluminium fin stack and matte top sheet offer no RGB or lighting
SpecPicks Verdict
SpecPicks scored Thermalright Peerless Assassin 120 SE V3 CPU Air 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
- [Heat Dissipation Combination] The CPU cooler is a double-tower dual-fan structure, with a blackened anodic matte top sheet + 6 fully electroplated anti-oxidation heat pipes + Seiko micro-carved reflow soldering nickel-plated copper bottom, with a 2000RPM high-speed PWM fan, which can easily dissipate the CPU temperature and further improve the heat dissipation efficiency of the cooler.
- [Dual PWM Fans] with 120mm performance dual fans, up to 2000RPM, large air volume can bring good heat dissipation effect, the fan has PWM function, according to the temperature of the motherboard to adjust the speed, no need to manually adjust. The included fan hook can be securely hung on the twin towers for cooling.
- [CPU Cooler Specifications] Model No.: Peerless Assassin 120 SE V3, Size: 125x135x155mm, Heatsink Material: Aluminium, Fan Size: 120x120x25mm, Fan Speed: 2000RPM+10%, Air Pressure: 2.63MM H2O, Air Volume: 70.84CFM, Operating Noise ≤29.8db( A), fan interface: 4PIN PWM, the main body adopts symmetrical all-aluminium fins, combined with 2 PWM fans, can bring good cooling effect.
- [AGHP Heat Pipe Technology] 6x6mm heat pipe adopts AGHP upgraded 5th generation technology, which can well solve the influence of reverse gravity caused by vertical and horizontal installation directions. Seiko micro-engraving reflow soldering nickel-plated copper bottom, combined with nickel-plated anti-oxidation heat pipes, so that the heat dissipation effect is improved.
- [Wide Compatibility] The cooler is compatible with dual-platform (Intel 14/15 generation + AMD RYZEN 9000) Slot: Intel LGA 1851/1700/1150/1151/1155/1156/1200; AMD: AM4/AM5; The cooler comes with mounting accessories, which can be installed according to the installation video or instructions. (Note: To install AMD platform, you need to use the original backplate of the motherboard for installation) If you have any questions, please consult the shop customer service.
Full Specifications
| Brand | Thermalright |
|---|---|
| Model | Peerless Assassin 120 SE V3 |
| Voltage | 12 Volts (DC) |
| Material | Aluminum |
| Dimensions | 125x135x155mm |
| Unit Count | 1.0 Count |
| Noise Level | 29.8 Decibels |
| Part Number | PA120SE V3-D1 |
| Material Type | Aluminum |
| Cooling Method | Air |
| Number of Items | 1 |
| Air Flow Capacity | 70.84 Cubic Feet Per Minute |
| Compatible Devices | Desktop |
| Included Components | cpu cooler |
| Power Connector Type | 4-Pin |
| Maximum Rotational Speed | 2000 RPM |
| Item Dimensions L x W x H | 4.92"L x 5.31"W x 6.1"H |
| Full listing title | Thermalright Peerless Assassin 120 SE V3 CPU Air Cooler, 6 Heat Pipes, Double Towers Double Fans, TL-P12 PWM Fan, Aluminium Heatsink Cover, for AM4/AM5/Intel LGA1851/1700/1150/1151/1200（PA120SE V3） |
Ready to buy?
Thermalright Peerless Assassin 120 SE V3 CPU Air Cooler, 6 Heat Pipes, Double Towers Double Fans, TL-P12 PWM Fan, Aluminium Heatsink Cover, for AM4/AM5/Intel LGA1851/1700/1150/1151/1200（PA120SE V3） 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.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
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