Thermalright
Thermalright Assassin King 120 SE CPU Air Cooler
Bottom line: The Thermalright Assassin King 120 SE CPU Air Cooler: 5x 6mm AGHP III heat pipes rated to cool up to a 235W CPU TDP; main trade-off: ships with a single 120mm fan, no push-pull second fan.
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Pros & Cons
Pros
- ✓ 5x 6mm AGHP III heat pipes rated to cool up to a 235W CPU TDP
- ✓ Quiet ≤25.6dB(A) operation with automatic PWM speed control
- ✓ 66.17 CFM airflow from the 120mm TL-C12C PWM fan
- ✓ Fits AM4, AM5, and Intel LGA1700/1200/115X out of the box
Cons
- ✗ Ships with a single 120mm fan, no push-pull second fan
- ✗ 148mm heatsink height can clash with small ITX cases
- ✗ Air-cooler ceiling trails 240mm+ AIOs on hot flagship CPUs
- ✗ Only one small tube of silicone grease included
SpecPicks Verdict
SpecPicks scored Thermalright Assassin King 120 SE 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
- Thermalright CPU cooler comes with 5*6mm AGHP III heat pipes and 120mm PWM fan to make sure excellent heat transfer from CPU
- Air Flow: 66.17 CFM ; Noise Level: ≤25.6dB(A), The 120mm PWM fan delivers Low-Noise for automatic speed control and ultra-quiet operation for extreme CPU cooling performance
- CPU socket support: Intel: 115X/1200/1700; AMD: AM4/AM5
- Package Contents: Fan×1; Radiator×1; Installation instructions×1; Warranty card×1; Silicone grease×1; Fan buckle × 2 (front and rear fan buckles); Intel buckle×1; AMD buckle×1; Rear fan rubber pad×1
- Fan dimensions:120×120×25mm (4.72 x 4.72 x 0.98 inches), Heat sink dimensions(include fan): 120×73×148mm (4.72 x 2.87 x 5.83 inch), CPU cooler TPC is 235W.The heat sink’s larger surface area assists with faster heat release
Full Specifications
| Brand | Thermalright |
|---|---|
| Model | AK120 SE-d6 |
| Voltage | 12 volts |
| Wattage | 235 watts |
| Material | Aluminum |
| Dimensions | 4.72 x 4.72 x 0.98 inch |
| Unit Count | 1 Count |
| Noise Level | 25.6 db |
| Part Number | AK120 SE-d6 |
| Material Type | Aluminum |
| Cooling Method | Air |
| Number of Items | 1 |
| Air Flow Capacity | 66.17 cfm |
| CPU socket support | Intel: 115X/1200/1700; AMD: AM4/AM5 |
| Compatible Devices | Desktop |
| Power Connector Type | 4-Pin |
| Maximum Rotational Speed | 1550 rpm |
| Item Dimensions L x W x H | 4.72"L x 2.8"W x 5.83"H |
| Full listing title | Thermalright Assassin King 120 SE CPU Air Cooler, 5 Heatpipes, TL-C12C PWM Fan, for AMD AM4/Intel LGA1700/1150/1151/1200/AM5 |
Ready to buy?
Thermalright Assassin King 120 SE CPU Air Cooler, 5 Heatpipes, TL-C12C PWM Fan, for AMD AM4/Intel LGA1700/1150/1151/1200/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.
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